How To Adjust Heat On Water Heater

How to adjust your water heater temperature

No one enjoys taking a cold shower. It’s much worse when you are scalded when the hot water is turned on. It is critical to correctly regulate the temperature on your water heater, not only for your health and safety, but also to save money on your power bill. Here’s how to regulate the temperature of your water heater to save money while also protecting your skin from sun damage.

The correct temperature range

It is recommended that your water heater be set within a specified temperature range for a variety of different reasons. A low temperature setting not only results in hot water that is merely lukewarm at best, but it can also promote bacterial development, which can lead to illnesses such as Legionnaires’ disease. This may be avoided by adjusting the temperature of the water heater to a level at which the bacteria Legionella cannot survive. A temperature of at least 140 degrees Fahrenheit (60 degrees Celsius) for water heaters is recommended by the Occupational Safety and Health Administration (OSHA) to prevent Legionella and other germs from growing in the water.

The time it takes for third-degree burns to occur at 150 degrees Fahrenheit (66 degrees Celsius) is less than two seconds.

  1. Not to mention that a water heater that is set too hot might result in an excessively expensive power bill.
  2. The greater the distance between a faucet and the water heater, the greater the amount of heat that will be lost as the water flows, especially if the pipes are not insulated.
  3. When determining the appropriate temperature for your family and household, use your best judgment.
  4. Make an adjustment, test it, and continue the process until you’ve found the ideal temperature setting for your house and water heater, which may take many attempts.
  5. 1:00

Adjusting water heater temperature

The interface used to control the temperature of a water heater will differ depending on the kind and model. Fortunately, the majority of water heater models can be modified in the same way. For example, most contemporary gas and electric water heaters are equipped with a thermostat concealed behind an insulated access panel. Electric water heaters are frequently equipped with two thermostats: one at the top of the tank and another at the bottom. Furthermore, most tankless water heaters include a display with a temperature reading as well as controls for altering the water heater’s temperature.

Turn on the water in the bathroom or kitchen sink and let it to run until the water is completely hot before using. Then, to get an accurate reading, place a thermometer beneath the surface of the water.


Type and model of water heater will have different interfaces for setting the temperature. For the most part, though, most water heaters may be adjusted in the same manner. Take, for example, the thermostat found behind an insulated access panel on most current gas and electric water heaters. Electric water heaters are frequently equipped with two thermostats: one at the top of the tank and another at the bottom of it. In addition, most tankless water heaters have a display with a temperature reading and buttons for altering the temperature.

Put water in your bathroom or kitchen sink and let it run until it’s completely hot (around 5 minutes).

Gas or electric water heaters

Some gas water heaters include a dial towards the bottom of the device that may be adjusted simply by turning it – no tools are required for this operation. Nonetheless, most current tank water heaters (whether gas or electric) require a bit more effort, but the process is still straightforward and should only take a few minutes.

  • Turning off the water heater’s electricity at the circuit breaker is the first step. To remove a thermostat(s), locate the access panel for the thermostat(s) and remove it using a screwdriver
  • Remove the insulation by peeling it back. To adjust the thermostat, use a flathead screwdriver to turn it up or down.
  • If your water heater has two thermostats, make sure they are both set to the same temperature. The temperature on the top thermostat should be a few degrees higher than on the bottom thermostat.
  • Replace the insulation and re-install the access panel, if necessary. Reconnect the water heater’s power supply
  • It is possible that you may need to relight the pilot light on a gas water heater.

Once you’ve made the necessary adjustments, you should wait at least three hours before checking the water temperature once more. It is possible that you may need to make more modifications in order to get the desired temperature. If you’ve increased the temperature and are still getting chilly showers, it’s possible that your hot water heater has to be serviced or completely replaced. Is the energy efficiency of your home high? Here are five different methods to find out. CNET’s Guide to Smart Livingis a one-stop shop for tips, techniques, and how-to guides that can help you live a more intelligent life.

How to Adjust Your Water Heater’s Temperature

It has been shown that even ordinary tap water might be hazardous. Every year, a number of individuals (mainly youngsters) are sent to hospitals after suffering burns as a result of water heaters that have been set excessively high. But what exactly does “too high” imply, and how can people ensure that their water heaters are set at a temperature that will not cause them to be burned, is a mystery. The Environmental Protection Agency (EPA) recommends a hot temperature setting of 120 degrees Fahrenheit for both safety and energy savings reasons.

Use this procedure if the stickers on the water heater do not inform you how to set the temperature and you are unable to locate the owner’s handbook.

  1. Make sure to run hot water for at least three minutes from the faucet nearest to the water heater. Fill a glass with hot water and check the temperature
  2. If the water temperature is higher than 120 degrees, adjust the dial, wait approximately three hours, and then check again. Continue until the water reaches 120 degrees Fahrenheit.

The temperature of the water heater should be checked the next morning before anyone uses any hot water as a last check. Once you have found the perfect setting, make a note of it on the dial so that you do not have to go through the testing procedure again. Here are some more suggestions for extending the life of your water heater.

Family Handyman

Documentation Download Documentation Download Documentation There is a delicate balance between the temperature of the water in your home—too high, and you run the danger of getting scalded; too low, and you’ll be shivering in your shower. Fortunately, regulating a hot water heater is a straightforward process if you go with caution. For your own safety, turn off the electricity to the water heater at the main circuit breaker in your home’s electrical panel. Afterwards, remove the access panel from the unit’s side and use a flat-blade screwdriver to increase or reduce the temperature in accordance with the temperature ranges specified on the control dial.

When you’re finished, make sure to check the temperature of your water before getting into the shower.

  1. 1 Determine whether or not the temperature of your water has to be adjusted. Most manufacturers recommend that the water used in your homestay be kept at a temperature of roughly 120 degrees Fahrenheit (49 degrees Celsius) for safety reasons. The temperature of most water heaters will already be adjusted to this level when they are installed. In most circumstances, it is advisable to simply leave it alone in order to reduce the danger of harm.
  • Instead of the water heater’s temperature being the source of the problem, it’s possible that a faulty heating element or inadequate insulation is to blame. A trained plumber can assist you in diagnosing and repairing a malfunctioning water heater.
  • 2 To adjust the temperature of the water heater, turn the dial on the bottom of the unit. Gas water heaters are simple to use
  • They are controlled by a single knob that regulates the quantity of heat provided to the unit. Turning this knob to the left (counterclockwise) will raise the temperature, which will result in hotter water being produced. It will cool down if you turn it to the right (counter-clockwise).
  • The lower temperature range of the vast majority of gas water heaters will be anywhere between 90 and 110 degrees Fahrenheit (32 and 43 degrees Celsius), while the upper temperature range will peak at roughly 140–150 degrees Fahrenheit (60 and 66 degrees Celsius). It’s possible that the dial on your gas water heater isn’t numbered, which makes determining the ideal temperature a little more difficult. To get around this, just take the temperature of the water several times after making changes to your settings and write the exact degree reading on a piece of paper or on the dial itself.
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  • s3 Increase the temperature of the water to enjoy warmer water for cleaning and bathing purposes. It is advantageous to have hotter water in your house for a variety of reasons. For starters, it may make taking a shower or soaking in the tub more enjoyable, because you won’t have to worry about running out of hot water as fast as you would otherwise. This method may also be used to increase the performance of appliances that do not utilize warmed water (such as dishwashers and washing machines), which will aid in cleaning filthy things.
  • Heat is more effective in killing most common bacteria, including health-threatening pathogens such as Legionella, E. coli, and staphylococcus
  • Higher temperatures kill more germs. Avoid heating your water to a temperature greater than 120 degrees Fahrenheit (49 degrees Celsius). A substantial danger of burns, particularly for youngsters and the elderly, can result from this practice.
  • Increase the temperature in order to save money on your energy bills. Heating significant amounts of water quickly becomes prohibitively costly. Lowering the temperature of your water heater to the range of 100–110 degrees Fahrenheit (38–43 degrees Celsius) will help you save money on your next heating bill. Even a minor adjustment can result in significant savings over the course of a few months.
  • Be aware that your water will not be as hot, which may have an influence on your comfort or the degree of sanitation for cleaning tasks.
  1. Step 1: Turn off the electricity to the water heater. Locate the water heat switch on your home’s central circuit breaker panel, which should be located near the water heater. Make sure that this switch is in the “Off” position. This will interrupt the flow of electricity to the device, allowing you to open it without worry of getting electrocuted
  • Do not attempt to make any changes to your water heating system until you have double checked that the power has been turned off. Depending on whether your water heater’s circuit breaker is clearly labeled, it may be essential to use a multimeter to check for a live current. Zero volts is what you’re searching for in this case. Keep in mind to label the appropriate breaker after you’re finished.
  • 2 Remove the access panel from the unit’s side by pulling it out. Identify the two screws at the top and bottom of the panel and loosen them with a flat-bladed screwdriver to complete the process. Pull the panel away from the body of the device and place it somewhere safe and convenient for you. Take cautious not to loose any of the screws.
  • Some versions may have a second plastic cover behind the metal access panel, which can be difficult to see. With a little tug, you should be able to gently remove it.
  • 3 Remove or push the insulation that is covering the thermostat to the side. An additional layer of insulation is installed within the water heater. If it’s a single piece of styrofoam or similar material, you’ll be able to just lift it out with your hands. Using your hands, move fiberglass insulation out of the way so that you can get to the thermostat controls
  • It is necessary to insulate a water heater in order to prevent heat loss and guarantee that measurements are more accurate.
  • 4 To adjust the temperature, use a flat-blade screwdriver to raise or reduce the setting. The temperature ranges for the high- and low-ends of the temperature scale will be displayed at the bottom of the thermostat. To adjust the temperature, insert the tip of a screwdriver into the colored adjustment screw and turn it clockwise. When you twist it to the left (counterclockwise), the temperature will decrease, and when you twist it to the right (clockwise), the temperature will raise.
  • The adjustable screws on contemporary electric water heaters are equipped with indicator hands that inform you roughly how hot the current setting has been set to. Attend to where your palm settles, since this will help you to fine-tune the temperature of the water even more accurately
  • In the event that your water heater has two heating elements, make certain that both thermostats are set to the identical temperature so that one isn’t required to perform more effort than the other.
  • 5Replace the insulation as well as the access door. When you’re pleased with the new temperature setting, return everything to the way it was when you first started. Make certain that the insulation completely covers the internal thermostat before reinstalling both protective covers and tightening the screws to fasten them. 6 Restore electricity to the water heater if it has been disconnected. Return to your main breaker panel and turn on the water heater by turning the switch to the “On” position. Please refrain from making any additional adjustments beyond this point since the electricity will be back up and running.
  • The flowing water temperature may not reach its maximum temperature for up to an hour after your unit has been turned off for a lengthy period of time
  • This is normal.
  1. 1 Fill a glass halfway with boiling water. Set a timer for one minute and turn on the nearest faucet to the water heater to start the process. Keep a drinking glass or similar container under the stream until you’ve captured a few inches of water
  2. Until the water is as hot as it can possibly be
  • It is preferable to utilize a container that has been kept at room temperature in order to obtain the most accurate reading possible.
  • Cooking thermometer: Place a cooking thermometer in the boiling water. Prepare your thermometer in advance so that you may put it in as soon as the container is completely full. After making certain that the probe is completely immersed, let 30-60 seconds for it to determine the temperature
  • Make a note of the number you receive for future reference. It can assist you in determining the optimal temperature range for your home, as well as identify potential heating problems outside of the unit itself. If you don’t put the thermometer in the water right away, the water may have a chance to cool down enough to cause your reading to be inaccurate.
  • 3 Determine whether or not the water is sufficiently hot. You may be confident that your water heater is operating at peak performance if the temperature is at or near 120 degrees Fahrenheit (49 degrees Celsius). If the temperature is any lower than that, it may need to be raised a few degrees. Keep in mind that temperatures surpassing 120 °F (49 °C) will be too hot for the majority of people in their homes.
  • Increase the temperature of your water by 10 degrees at a time to lessen the chance of burning yourself
  • 4 Wait three hours before checking the water temperature again. It will take some time for your water heater to adjust to the new temperature setting, so please be patient until it reaches the required temperature. Hold wait on taking a bath or turning on any appliances in case the water being circulated is hotter than you anticipated
  • In the meanwhile
  • Make any required modifications before everyone in your home begins their daily routine
  • Otherwise, they will be inconvenienced.
See also:  How To Change Water Heater Temp

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  • Question What is the purpose of the letters ABC on a water heater? Answer from the Sealweasel Community It is a matter of temperature settings. The letter A represents the lowest temperature, while the letter C represents the highest/hottest temperature. These letters are printed on the water heater’s control knob. Question My water heater’s setting control has the letters A, B, and C on it. What is the best way to determine if A is the lowest temperature or C is the lowest temperature? Answer from the Sealweasel Community The lowest temperature is represented by the letter A. The maximum temperature is C, while the lowest temperature is B

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  • Consider lowering the temperature of your water heater throughout the spring and summer months, when you will be using less hot water
  • This will save you money. Non-domestic institutions, such as restaurants, may be able to get away with utilizing a temperature setting as high as 140 degrees Fahrenheit (60 degrees Celsius).

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  • It just takes two seconds to develop third-degree burns from water that has been heated to 140–150 degrees Fahrenheit (60–66 degrees Celsius). If you have any worries about your capacity to safely and effectively adjust your water heater on your own, contact a professional plumber for assistance. If you are unfamiliar with the operation of a water heater’s controls, you should never attempt to tamper with them. One single error may set off a chain of events that would result in a very serious situation.


Things You’ll Need

  • Cooking or candy thermometer
  • A drinking glass or other similar container
  • A flat-bladed screwdriver Multimeter (for determining the voltage of the circuit breaker)

About This Article

Summary of the ArticleXIf the temperature of your hot water isn’t just perfect, you can easily modify it in a matter of minutes. All you have to do to adjust the temperature of a gas heater is turn the temperature dial located at the bottom of the heater. To get to the temperature dial on an electric heater, you’ll need to remove the access panel and the insulation covering that covers it. To reduce the risk of electrocution, make sure you first turn off the circuit breaker for the water. To adjust the temperature dial, a flathead screwdriver is required.

If your dial does not have numbers on it, test the water temperature using a kitchen thermometer or your fingertips, and then adjust the dial as necessary to your liking.

Did you find this overview to be helpful?

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Caution to anyone who is adjusting the temperature of their water heater! Scalding is extremely dangerous, and raising the temperature of your water can raise your chances of getting scalded by as much as 50%. In the event that you are at all concerned about your capacity to accomplish this project safely, you should check with your plumber before proceeding. In addition, please keep in mind that those with reduced skin integrity, such as youngsters, the elderly, and the disabled, can be scalded by water as cold as 110°F.

Check the Current Temperature First

If you are experiencing problems with your hot water coming out too hot or not hot enough, understanding how to regulate your water heater may be quite useful. Ideally, you should check the temperature of your hot water at the faucet before making any changes to the present settings so that you can determine how much to modify the heater. It is quite acceptable to use almost any basic cooking thermometer for this purpose. If you want to calibrate your thermometer, place it in a cup of cold water and hold it there until the temperature dial reaches 32 degrees (or stops at the lowest degree on the gauge).

Meanwhile, while the thermometer is calibrating, turn on the hot water tap nearest to the heater and turn it on until it is hot to the touch (but be careful not to burn yourself!).

The temperature dial will come to a complete halt when the water temperature is reached.

The procedures indicated below will work for the vast majority of hot water heaters, but not all of them.

Each water heater maker will have a somewhat different design, but the majority of them will work in the same way. Attention: This “how to” is for tank-style water heaters only; it does not apply to tankless water heaters at this time.

Electric Tank Water Heaters

The majority of electric water heaters will have two thermostats, one on top and one on the bottom, located beneath the two control panels. The two thermostats on your water heater must be adjusted to the same temperature in order for it to operate most effectively and efficiently. Some smaller units may simply have a single thermostat, which is understandable. To complete this task, the following tools will be required: Screwdriver with a Phillips-head or a flat-head Step 1: Disconnect the power supply to the heater.

  1. Step 2: Locate the thermostats, the majority of which will be hidden behind an access panel.
  2. Remove them with the proper screwdriver and store them in a secure location to prevent them from being misplaced.
  3. Some smaller units may simply have a single thermostat, which is understandable.
  4. There will be a dial on the thermostat, and the dials will have a varied reading depending on the heater manufacturer you are dealing with.
  5. With your screwdriver, make little adjustments to the dials depending on your requirements and the reason for the adjustment.
  6. Step 5: Re-attach the screws to the panels and close them up.
  7. Step 7:After around 3-4 hours, check the temperature of your hot water once more.
  8. If the temperature is still not just right, repeat the process.

Gas Tank Water Heaters

Most gas water heaters will include a simple, easy-to-read dial at the bottom of the tank to control the temperature of the water. The actions outlined above should be followed if your model has a hidden dial beneath an access panel. If this is the case, follow the steps outlined above to change it. To complete this task, the following tools will be required: None! Step 1: Adjust the temperature by turning the knob warmer or colder according to your requirements. Step 2: After roughly 3-4 hours, check the temperature of your hot water once more.

If the temperature is still not just right, repeat the process.

Helpful Water Heater Temperature Tips

  • It is possible to save money on your energy bill by turning down the temperature on your heater. In order to conserve energy and money while you’re away, turn your water heater’s temperature down to its lowest setting before leaving for vacation. It is recommended by the majority of manufacturers that you use a temperature setting of 120 degrees. For the most part, most homes with children will choose a temperature that is just below 120 degrees to avoid the possibility of scorching. A higher water temperature may be preferred by certain individuals, who may be OK with a slightly higher setting
  • Some home equipment (such as dishwashers) require higher temperatures (about 140 degrees) in order to effectively destroy bacteria
  • However, because most modern dishwashers pre-heat the water, reducing the temperature should not have an adverse effect on the device.
Related ItemsInformation

Please keep in mind that the material presented here is designed to provide a fundamental understanding of plumbing-related repairs, troubleshooting, and purchase considerations. This material is intended to be general in nature and may not be applicable to all applications.

When in doubt about your ability to accomplish one of these tasks or when you have more concerns about the material offered, seek the advice of a qualified expert immediately. Always double-check local code rules and the appropriate authorities before starting a project of any kind.

How to change the temperature on a water heater

  • It is possible that you will feel the need to adjust the temperature of your water heater at some point. Changing the temperature of your water heater is a straightforward process, regardless of whether it is standard or tankless. Manufacturers of water heaters recommend that you set the temperature of your water heater to 120 degrees in order to conserve energy and avoid scorching water. Before attempting to adjust the temperature of your water heater, it is always a good idea to consult your water heater’s operation handbook and follow the manufacturer’s recommendations. If you no longer have access to your manufacturer’s operation handbook, you can use the general principles listed below to get by. Water Heater with a Traditional Gas Burner The temperature of your gas water heater may be easily adjusted if you have one. To use the gas control valve, just turn the dial on the front of the valve. The hot setting will be around 150 degrees, while the mild setting will be approximately 95 degrees. As previously stated, the optimal temperature setting is 120 degrees. Electric Water Heater in the Old Fashioned Style Turn off the circuit breaker for the water heater. Remove both the top and bottom access panels from a two element water heater if you have one. The bottom panel on single-element water heaters should be removed. As soon as you get the access panel open, pull the insulation to the side or remove it completely so that the thermostat can be seen. If the plastic cover does not have an access hole for the adjustment screw, it should be removed. In most cases, the thermostat adjustment screw is situated at the bottom of the thermostat, immediately above the element. To make any adjustments, you’ll need a little flat blade screwdriver with a flat blade. Replace the plastic cover when you’ve done changing it to your preferred temperature (if you removed it). Replacing the insulation above the thermostat and heating element is simple. Replace the access panels and re-connect the power cords as needed. Tankless water heaters are a type of water heater that does not require a tank. In most cases, adjusting a tankless water heater is as simple as pressing a button on your front panel command center or remote control, depending on the make and type of your water heater. Please do not hesitate to call A.J.Perri if you want assistance in adjusting the temperature of your water heater. A.J. Perri has been providing heating, air conditioning, plumbing, and indoor air quality systems to New Jersey residents since 1971. He has years of experience and a national reputation for superior technical skills in the areas of heating, air conditioning, plumbing, and indoor air quality systems. They provide service to residents of the following counties: Bergen, Essex, Hudson, Mercer, Middlesex, Monmouth, Morris, Ocean, Passaic, Sussex, and Union. If you would like additional information, you may visit their website or phone them at 732.606.4920. It should be noted that members of the USA TODAY Network’s editorial and journalistic team were not involved in the development of this material.

Adjusting the Temperature on Your Electric Water Heater

To make a change to the temperature of your electric water heater, you don’t need to have a high degree of technical knowledge or specialized equipment. This is a quick and simple at-home remedy that just takes a few minutes, and you probably already have all of the supplies you need on hand. Fortunately, the process is fairly consistent across the brands of electric water heaters that you are most likely to own, with only a couple of minor differences depending on the manufacturer’s design choices; the overall size of your water heater has no bearing on how you must proceed through our simple steps!

See also:  How To Test A Thermocouple On A Water Heater

Remove Cover Plates

  • The thermostats are located on the front side of your unit, behind two cover panels that must be removed in order to obtain access to them. This may be accomplished by using a Phillips screwdriver or a 1″ nut driver to remove the screws (think “righty tighty, lefty loosey” when doing so)

Remove Excess Materials

  • Many eclectic water heaters, particularly newer versions, have additional insulation that will need to be removed before they can be used. Simply remove the excess material and store it in a secure location. Additionally, you will discover a plastic safety plate that can be simply detached or twisted upwards to reveal your thermostat temperature settings

Locate Temperature Dials

  • Congratulations on having made it this far! Not only are you more capable than you anticipated, but you’re also practically finished! The dial should now be visible
  • This is what regulates the temperature settings on your thermostats, which will make the time spent in the tub when the weather cools down that much more enjoyable. Don’t forget about how we indicated that some design options may differ based on the manufacturer? Now is the time when you’ll notice the following differences: The settings on some dials are alphabetical, while others are numerical
  • There are even dials that vary from “hot” to “extremely hot,” such as the dials we are altering in our movie

Adjust Your Dials Accordingly

  • Everything is now complete except for the actual adjustment of your electric water heater. You’ll need to set both of your thermostats to the same temperature in order to get the ideal temperature. Simply use a flat head screwdriver to make the necessary adjustments to the dials. Be mindful of the fact that it doesn’t take much to make your water hotter
  • Ensure that you’re testing these modifications to ensure that your water is at a safe temperature before you reverse the procedures and put everything back to way it was before, as well as replacing the front panel covers. Keep in mind that it will take some time for the water heater to acclimate to the new settings, so be patient. You’re now an expert when it comes to adjusting the temperature of your home’s electric water heater in a matter of minutes.

Bonus Step: Add a Few Extra Gallons of Hot Water

  1. Everything is now ready except for the final adjustment of your electric water heater. The temperature will be suitably reached when both of your thermostats are set at the same temperature. To make any necessary adjustments, just use a flat-head screwdriver to turn the dials. Keep in mind that it doesn’t take a drastic change to make your water hotter
  2. Make sure that you’re testing these changes to ensure that your water is at a safe temperature before reversing the steps and putting all of the materials back where they were before, as well as replacing the front panel covers. It will take some time for the water heater to warm up to the new settings, so please be patient throughout this process. You’re now an expert when it comes to adjusting the temperature of your home’s electric water heater in a matter of seconds.

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Want to learn more about electric water heaters? Check out this article. Take a look at some of our related content: Electric Water Heaters are a type of water heater that uses electricity to heat water.

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Have questions about electric water heaters or want to learn more? Please see the following for relevant material: Electric Water Heaters are a type of water heater that uses electricity to heat the water.

A. O. Smith Water Heaters at Lowes

Back It is recommended that you read the printed instructions that came with your water heater in addition to the material on this web site. Read and observe any warning labels on the water heater, as well as the safety recommendations in the printed owner’s handbook, to limit the danger of property damage, serious injury, or death.

Step1:Tools and Supplies

  • A thermometer, a non-contact circuit tester, a 1/4″ nut driver or a Phillips screwdriver (for removing access panels) and a flat-blade screwdriver (for adjusting temperature) are all required tools. Thermostatic mixing valves are used in many applications.

Step2:Before Adjusting the Temperature

Thermal protection has been provided by factory setting the thermostat(s) on this water heater at about 120°F to limit the danger of scald injury. Higher temperatures may be desired to supply hot water for automated dishwashers or washing machines, to increase the volume of hot water, and to minimize bacterial development.

  • Thermal protection has been provided by factory setting the thermostat(s) of this water heater at about 120°F to limit the danger of scald injury. Higher temperatures may be desired to supply hot water for automated dishwashers or washing machines, to increase the volume of hot water, and to limit bacterial development. “>

Step3:Turn Power Off

  • To switch off the water heater, locate the circuit breaker and turn it off (or remove the fuses from the circuit). WARNING: Before working on the water heater, check sure that the power has been turned off with a non-contact circuit tester or volt meter. If you work on an electrified equipment, you risk getting electrical burns, electrocution, or death.

Step4:Open Electrical Junction Box

  • Unlock the electrical connection box, which is located on top of the water heater.

Step5:Check for Electrical Power

  • Check the power lines using a non-contact circuit tester to ensure that the power has been turned off completely. WARNING! Working on an electrified circuit has the potential to cause serious damage or death due to electrical shock. Check the cables with a volt meter or circuit tester to ensure that the power has been turned off

Step6:Replace the Junction Box Cover

  • Remove the cover from the electrical junction box and replace it. WARNING! Make certain that all covers are securely fastened in order to limit the risk of fire and electric shock.

Step7:Remove Heating Element Covers

Cover for lower access.”>

  • The majority of models come with two thermostats, although certain variants may only come with one. If your water heater has just one thermostat, it will be situated behind the lower access cover
  • If your water heater has two thermostats, they will be located behind the upper access cover. Remove the top and lower element coverings from their positions.

Step8:Move Insulation Out of the Way

  • Install two 120-degree-Fahrenheit thermostats
  • If greater temperatures are necessary, crank the water temperature dial counter-clockwise () to raise the temperature. (Decrease the temperature by turning the dial counterclockwise ().)
  • Set the thermometers on both computers to the same temperature setting
  • WARNING! The risk of scorching increases as the temperature increases. Installation of Thermostatic Mixing Valves at each point of use and setting them to 120°F or lower is recommended if the temperature setting has been raised over 120°F. It is not recommended to set the upper thermostat to a temperature that is higher than that of the lower thermostat in order to avoid a lack of useable hot water.

Step10:Replace Insulation

  • Replace the coverings over the heating elements. WARNING! In order to decrease the risk of fire and electric shock, make sure all covers are securely fastened.

Step13:Let the Water Heat Up

  • Wait for the water to warm up before continuing. Temperature changes in the tank may take many hours
  • Thus, be patient.

Step14:Install a Thermostatic Mixing Valves

  • Wait for the water to come to a boil before starting the project. Temperature changes in the tank may take many hours
  • Thus, please be patient.

Step15:Check Water Temperature

  • Ensure that the water temperature is correct at all places of usage in your house (such as the bathtub faucet, the shower, and the lavatory sink)
  • Water temperature at any fixture should be at or below 120°F, so that the Thermostatic Mixing Valves should be adjusted accordingly. When in doubt about how to alter the Thermostatic Mixing Valve settings, or when in doubt about whether or not you have Thermostatic Mixing Valves, consult with a knowledgeable person for advice
  • WARNING! Because of the increased danger of scorching when the water heater’s thermostat(s) is set higher than 120°F, it is advised to install Thermostatic Mixing Valves at each point of use to lessen the risk of scalding
  • However, this is not required.

How To Adjust Your Water Heater Temperature

Today, we’ll walk you through the process of adjusting the temperature of your water heater. Whether the water is too hot or not hot enough, we have some ideas and tactics to make sure you have the optimum water temperature!

Your Water Temperature is Too Hot

After a hard day, taking a hot shower is such a delight! There is, on the other hand, nothing more irritating than scalding hot temperatures emanating from every shower head and tap in your residence. If you’re getting excessively hot water on a consistent basis, it might be an indicator that your water temperature is set to a too high setting. It is critical that the temperature of your water heater does not exceed 140 degrees Fahrenheit (78 degrees Celsius) for the health and safety of you and your family.

See the table below for the Time and Temperature to Produce a Scald.

Temperature Time to Produce Serious Harm
120℉ More than 5 minutes
125℉ 1 ½to 2 minutes
130℉ About 30 seconds
135℉ About 10 seconds
140℉ Less than 5 seconds
145℉ Less than 3 seconds
150℉ About 1 ½ seconds
155℉ About 1 second

Decreasing Your Water Temperature

It is possible that your water heater’s access will differ depending on the kind of Bradford White water heater you have. After removing the bottom access panel with a screwdriver, you should be able to simply remove the panel and reveal the thermostat.

The temperature difference between A and B is around 140 degrees Fahrenheit, hence the nob should not be exceeded beyond that point. Turn the thermostat slightly to the right with a screwdriver if you want to lower the temperature.

Increasing Your Water Temperature

On the other hand, you can find that the temperature of your water isn’t hot enough for your liking. Low water temperatures may be present for an extended length of time in your area. No one enjoys taking a shivering cold shower! Several contributing variables, including ineffective components, tank size, and an increase in hot water use, might be responsible for this. However, this does not imply that this is always the case. It is possible that adjusting the temperature of your water heater is the best answer.

Take note of the water temperature over the following several days and note whether it has changed considerably from the previous day.

If you don’t see a difference, it’s possible that there is another problem at hand.

The Perfect Temperature

Bradford Whitewater heaters are the brand that we trust at Reliance Heath. When you rent a Bradford White water heater from Reliance Heath, our yearly rental price includes all routine maintenance at no additional cost to you. You can live with confidence knowing that if your water is too hot, too cold, or anything in between, you can phone us and we’ll get there as quickly as possible. All it takes is a fast phone call to reach our knowledgeable and trustworthy specialists! Make an appointment with us today and let us to take care of all your water requirements!

How to Adjust the Temperature on an Electric Water Heater

Photograph courtesy of Vitaliy Halenov/iStock/Getty Images

In This Article

  • The recommended temperature for an electric water heater
  • Take the current temperature reading
  • Make use of the thermostat
  • Make necessary adjustments to the temperature setting. Check the temperature of the water

Do you want to know how to change the temperature on an electric water heater? Read on. No matter if the water comes out of the faucet too hot or too cold, adjusting the thermostat on the unit should assist you in reaching the desired temperature. The procedure of installing an electric water heater is pretty simple, provided that you observe basic safety precautions.

Electric Water Heater Recommended Temperature

Before attempting to modify the temperature of an electric water heater, examine the suggested temperature as well as the potential risks of various temperature settings. Water heater settings of 120 degrees Fahrenheit are recommended by the United States Department of Energy for most houses. Water heaters are frequently installed with the temperature set at 140 degrees Fahrenheit. Scalding can result from turning the water too hot when washing your hands or having a shower while using that higher temperature setting.

By lowering the thermostat setting, you can not only make your home safer, but you can also save money on your energy bill by lowering standby heat loss.

Measure the Current Temperature

Before you make any changes, check to see how hot the water that is already flowing from your faucets is to begin with. A normal cooking thermometer may be used to accurately measure the temperature of the water. Turn on the hot water tap nearest to your water heater, if it is not already running. Collect some of the water in a cup and use your thermometer to determine the temperature of the water. Leave it in the water until the temperature on the thermometer stops rising. If the temperature of the water does not reach 120 degrees Fahrenheit, you should raise the temperature of the water heater.

See also:  How To Replace Water Filter In Kenmore Refrigerator

Before making any modifications to your water heater, turn off the electricity to the unit for your own protection.

For the greatest results, make sure that all of the thermostats are the same temperature.

Remove the screws that are holding the panel in place so that you can see what’s behind it. Place the screws in a secure location so that they do not become misplaced while you are adjusting the thermostats. It is possible that you may need to remove insulation in order to see the thermostat.

Adjust the Temperature Setting

Please take care not to touch or move any of the wires within the water heater. To adjust the water temperature, turn the dial in either way, depending on whether you want to raise or lower the temperature. Decide on the direction by referring to the marks on the dial. The dial may be easily adjusted with the use of your screwdriver. Replace the insulation and the panel in their original locations. Using the screws, reattach the panel to the wall.

Test the Water Temperature

Reconnect the power to your water heater if it has been disconnected. Allow at least three to four hours for the new temperature setting to be reached before checking it again. Make use of the same procedure you used for your initial temperature check, turning on the hot setting on the faucet nearest to the water heater and collecting water. Using your cooking thermometer, check the internal temperature. If it reaches the temperature you prefer, you’re done for the day. If you want the water to be hotter or cooler, repeat the thermostat adjustment process, wait a few more hours, and then check the temperature of the water once again.

If you need to make modifications in the future for whatever reason, this will assist you in getting back to the desired temperature.

What Is The BEST Water Heater Temperature Setting?

Please keep in mind that this content may contain affiliate links. This means that, at no additional cost to you, we may gain a small profit on purchases made via our links. If you have already set the temperature and are thinking to yourself, “I don’t have any hot water,” or “I don’t have enough hot water,” there are a few variables that might be causing the problem. If all else fails, it’s possible that the heating element is faulty and has to be replaced.

How To Check Your Water Heater Temperature

The majority of water heaters do not have a temperature gauge with a digital readout on them. Temperatures or heating ranges are marked on thethermostat, rather than numbers. A cup and a culinary thermometer will be required in order to correctly determine the temperature of the hot water heater. If you haven’t used your water heater in at least one hour, turn on the faucet that is nearest to it. Allow the water to run for at least one minute to ensure that the water is at its warmest possible temperature before filling the cup with it.

Recommended Temperature Settings

Water heaters are pre-programmed to operate at OSHA-recommended temperatures, which are around 140 degrees. The Environmental Protection Agency, on the other hand, recommends lowering the thermostat down to 120 degrees Fahrenheit to save power use and using a booster heater to attain sanitizing temperatures at certain outlets. Another point of view is that lower temperatures are preferable for homes with little children, although higher temperatures are more effective in cleaning and sanitizing surfaces.

Recommendation from me Water heaters should be adjusted to 130 degrees Fahrenheit, in my opinion, in practically all circumstances. However, the temperature is low enough to avoid scorching while being high enough to destroy hazardous microorganisms.

How To Turn Up Your Water Heater

If you are dissatisfied with the suggested temperature of your hot water heater, you may alter the settings to receive extra hot water. Although electric water heaters may require a screwdriver and potentially a tiny wrench or socket, most hot water heater settings are straightforward to modify. Keep in mind that the thermostat is factory configured to a recommended temperature, and that altering the setting may increase the risk of significant burns from the appliance.

How to Set Temperature on a Gas Water Heater

The temperature of a gas water heater may be adjusted by turning the setting knob on the water heater. The majority of gas control valves have a knob with different designations on them, such as A-B-C. Control valves for gas water heaters may be labeled differently depending on the manufacturer. In the majority of circumstances, the following is what each label indicates:

  • Warm = 80-90°
  • Low = 80-90°
  • Hot (or triangle symbol) = 120°
  • A= 130°
  • B= 140°
  • C= 150°
  • Very Hot = 160°
  • High = 120°

There is a “Vacation” setting that appears from time to time. This does not heat the water, but it does ensure that the pilot light remains lit.

How to Set Temperature on an Electric Water Heater

Turn off the circuit breaker if necessary. Remove the access panels from the room. Under the insulation, look for the thermostat adjustment screwhole. Adjust the thermostat control to the appropriate temperature by using a straight screwdriver to make the adjustment. After replacing the insulation and panels, the power should be restored. Here’s a good video that demonstrates the procedure:

Factors That Affect Water Temperature

Some of the things that may influence the temperature of your hot water include the distance between the water heater and the outlet, the way the pipes are built, and the quality of the heating element itself, among others. Because of the length of the pipe and the small bore size, it will take longer for the hot water to reach the opening. Additionally, pipes that run beneath or outside the residence may be exposed to freezing or freezing temperatures in the winter and summer. Installing a hot water recirculation system in a large house may be worth considering since it can reduce the amount of time it takes to heat water in all of the property’s outlets while also resulting in significant cost savings over the long term.

If you don’t notice a difference in the water temperature after adjusting the thermostat, it’s likely that the thermostat is broken and has to be replaced.

How to Turn Up Water Heater

The likelihood that the previous tenants turned down the water heater before leaving your holiday home or new house is high whether you’re staying on vacation or moving into a new property. As a cost-cutting measure, it is sound. However, in order to do so, you must understand how to modify the temperature of the water heater to fit your requirements. You’re in luck because we’ll walk you through the procedure right here.

Getting Started

We must first determine the type of gasoline with which we are working before proceeding. The technique for installing an electric water heater differs from the procedure for installing a natural gas water heater. Anything exceeding 120 degrees Fahrenheit is considered hazardous, and we do not suggest it in any circumstances.

When the temperature reaches 130 degrees, you can suffer serious burns in as little as 5 seconds. Gas is simple to switch on; electricity, on the other hand, is a little more complicated, so we’ll start there:

How to Adjust Temperature on Electric Hot Water Heater

  1. Turn off the electricity at the breaker—because most water heaters work on 240v, you’ll probably need to flick two switches to do this. Don’t let yourself be electrocuted! In the event that you are unsure which switches control the water heater, turn them all off. The access panel and insulation should be removed since you can have a tank with two access panels. In order to modify the temperature, you must first remove the panel(s) and any insulation. Adjust the temperature by rotating the dial using a flat-head screwdriver (in certain situations, you won’t need one) to increase the heat. If your thermometer has notches marked with temperature measurements, you may set it to the temperature you choose. It’s as simple as replacing the insulation and panel(s) and you’re done! So please be patient as the water will take a couple of hours to warm up to the new temperature

How to Turn Up a Gas Water Heater

When working with gas appliances, it’s important to remember to always put safety first. It is essential that there are no open flames anywhere around you when you are adjusting the temperature since this will necessitate increasing the gas pressure. Essentially, the procedure is as follows:

  • It is not necessary to switch off the gas in order to adjust the temperature. To begin, locate the control knob, which is most likely labeled with the settings for warm and hot (but it may have other possibilities)
  • You want to be as conservative as possible while making the modification. Don’t just turn it up to the maximum/hottest setting
  • Allow several hours for the tank to heat the water before testing the temperature with a hot water faucet in the house

What About Tankless?

If you have an on-demand water heater, it should be as simple as pressing a button that is easily accessible or adjusting a dial to the desired temperature. If you are encountering any difficulties, examine the instruction booklet provided by the manufacturer.

In Conclusion

The procedure for increasing the temperature of a hot water heater is simple regardless of the type of water heater you have. If you find this article to be useful, please spread the word. Bradford White is one of the renowned brands that we sell here at PlumbersStock. For those in the market for a new water heater, this is an excellent spot to shop around for a good deal. If you want to understand more about water heaters in general, you should read this water heater Wiki article. Resources that are related to this topic include: How to Reset a Water Heater (with Pictures) How to Turn on a Water Heater How to Turn Off a Water Heater (with Pictures) Draining a Water Heater (with Pictures) Instructions on How to Turn On a Water Heater What should the temperature of the water heater be?

Can You Safe Money Adjusting Your Water Heater Temperature?

Is it possible to save money by adjusting the temperature of your water heater? Is it possible to save money by adjusting the temperature of your water heater? Your hot water heater is one of the most energy-intensive appliances in your home, so if you’re looking for a spot to cut back on your energy bills, this is an excellent place to start looking. The following are some things to consider before lowering the temperature of your water heater’s thermostat a couple of degrees. Using a low temperature setting may result in your hot water heater becoming a breeding ground for bacteria that is hazardous to your health and safety.

Is it possible to save money by adjusting the temperature of your water heater?

Although this is the case, it is still feasible to save money without utilizing the thermostat on your hot water heater:

  • Replace the hot water heater in your home. The average hot water heater lasts between 8 and 12 years, assuming that it is regularly maintained. Water heaters that are outdated or in need of maintenance may be significantly less efficient than they were on the day they were installed. Make an effort to discover a replacement that fulfills the voluntary energy efficiency guidelines set out by the Energy Star program when you are out shopping. Make an effort to preserve hot water. Shower for a shorter period of time and use the dishwashing machine rather than hand washing dishes, which tends to consume more water. Insulate your hot water heating equipment as well as its associated pipelines. These tasks may be accomplished with pre-cut pieces of insulation that are simple to install, making this a job that can be completed in an afternoon.

What is the lowest point that can be reached? Simply said, temperatures must be 119 degrees Fahrenheit or lower. In most brand-new hot water heaters, this is the programmed thermostat temperature, and it is also the recommended setting recommended by the United States Department of Energy. At temperatures of 120 degrees Fahrenheit and beyond, germs that cause Legionnaires’ disease, for example, are prevented from proliferating and may even be destroyed. Increased temperatures cause viruses to die off more quickly than normal.

If everyone in your family has a strong body immune system, 120 degrees may be deemed safe, but it is also the very minimum temperature to be considered.

If you have a dishwashing machine that does not generate its own heat, you may also need to increase the temperature setting (this is rare with modern day dishwashers).

Water may inflict third-degree burns in as little as 5 seconds when temperatures reach 140 degrees Fahrenheit or higher.

Children may be more susceptible to water burns than adults owing to the fact that their skin is thinner than that of adults, and the elderly may also be at greater risk due to their lower sensitivity, mobility, and response time, among other factors.

Anti-scald valves can also be used to achieve this level of balance.

By doing so, you can maintain your hot water heater set at 140 degrees while ensuring that the water never gets hotter than 120 degrees at the faucet.

If you have a complicated plumbing arrangement, you should consult with a licensed plumbing specialist.

We also specialize in tankless water heaters; please contact us for more information. South End Plumbing is one of the few organizations that will provide you with a no-obligation quote. To book a visit, please call us at 704-919-1722 or complete the online form.

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