How To Replace A Thermocouple On A Whirlpool Gas Water Heater

How to Replace the Thermocouple on a Whirlpool Water Heater

Home-Diy When your Whirlpool water heater fails to heat the water in the tank, the most likely cause is a faulty thermocouple, which may be replaced. The pilot light warms the thermocouple, which provides electric current that instructs the gas control valve/thermostat to continue to flow gas to the burner assembly as long as the pilot light is lit. if (sources.length) then this.parentNode.removeChild(sources); else this.onerror = null; this.src = fallback; if (sources.length) then this.parentNode.removeChild(sources); else if (sources.length) then this.parentNode.removeChild(sources); else if (sources.length) then this.parentNode.remove ‘/public/images/logo-fallback.png’) is a fallback logo image.

The pilot light warms the thermocouple, which provides electric current that instructs the gas control valve/thermostat to continue to flow gas to the burner assembly as long as the pilot light is lit.

  1. Cut the manual shut-off valve that delivers the gas to the control valve/thermostat in the clockwise direction to turn off the gas supply. The gas control valve/thermostat should be turned off by lowering the thermostat to the lowest setting and twisting the control knob on top of the valve to the “OFF” position. When you adjust the thermostat, the gas control valve/thermostat regulates the flow of gas through a manifold tube, which is a single piece of equipment.
  2. You may get rid of your water heater’s outer door from the bottom by grabbing the door with your hands and tugging the metal tabs that are attached to the outer door from their slots in the water heater’s body. In order to prevent damage to the manifold door assembly, the thermocouple, the manifold tube, and the pilot tube, the outer door is installed. Remove the two screws that hold the manifold door assembly to the tank in place and set them aside. By rotating the thermocouple counterclockwise with an adjustable wrench, you may free it from beneath the gas control valve/thermostat and remove it from the system. The thermocouple is a thin copper tube that is joined to the manifold tube on the left side. By moving the adjustable wrench counterclockwise, you may loosen the pilot tube and make it easier to remove. To loosen the manifold tube from the gas control valve/thermostat, spin it clockwise with the adjustable wrench until it is completely loose. Located between the pilot tube and the thermocouple, the manifold tube is a flexible corrugated metal tube that connects to the gas control valve/thermostat through a flexible connector. It is the longest of the three tubes
  3. It is also the biggest. Removing the wires from the pilot igniter button that is linked to the gas control valve/thermostat, as well as the wires from the two manifold burner assembly connection wires that are attached to the gas control valve/thermostat Holding the igniter wire and the two manifold burner assembly connector wires in your hand, pull them down on them until they are freed from their connections in the valve. Holding the manifold tube in your hand, pull it down and away from the gas control valve/thermostat, allowing the thermocouple, pilot tube, and manifold tube to be released from the valve. Pulling the manifold burner assembly out of the burner chamber and away from the water heater will allow you to remove it from the burner chamber. Remove the retainer clip holding the two-piece wire connection that attaches the thermocouple and igniter wires through the manifold door, and then remove the wire connector itself. Disconnect the thermocouple from the pilot bracket that is attached to the manifold burner assembly by pulling it out. Passing the new thermocouple through the hole in the manifold door where you had previously removed the two-piece wire connector, insert it into the pilot bracket and tighten it down. In order to properly reconnect the thermocouple and igniter wires, reattach the two-piece wire connector to them using the retainer clip and slide the manifold burner assembly into the water heater. Reattach the gas control valve/thermostat to the manifold tube, pilot tube, and thermocouple by tightening them with the adjustable wrench. To complete this step, reinstall the igniter wire in its original location in the igniter, and push both of the manifold burner assembly connector wires into the gas control valve/thermostat. Finally, replace the screws that were removed from the manifold door assembly in Step 2 and replace the outer door. In addition, activate the gas at the manual shutoff valve by twisting its knob in the counterclockwise direction
  4. Activate the gas supply valve/thermostat on the water heater by setting its thermostat to the appropriate temperature and rotating the gas control knob to the “ON” position

The Drip Cap

  • When your Whirlpool water heater fails to heat the water in the tank, the most likely cause is a faulty thermocouple. By rotating the thermocouple counterclockwise with an adjustable wrench, you may free it from beneath the gas control valve/thermostat. In this case, the thermocouple is a thin copper tube attached to the left of the manifold tube, and it is by far the longest of the three tubes. Holding the manifold tube in your hand, pull it down and away from the gas control valve/thermostat, allowing the thermocouple, pilot tube, and manifold tube to be released from the valve. Insert the new thermocouple through the hole in the manifold door where you previously removed the two-piece wire connector and press it into the pilot bracket to complete the installation.

How do I replace the thermocouple on a Whirlpool water heater?

Changing the Thermocouple on a Whirlpool Water Heater: A Step-by-Step Guide

  1. Cut the manual shut-off valve that delivers the gas to the control valve/thermostat in the clockwise direction to turn off the gas supply. Disconnect the water heater’s outer door from its body at the bottom by gripping it with your hands and tugging the metal tabs that are attached to it from its slotted body
  2. Removing the water heater’s outer door from its body

Instructions on how to replace the Thermocouple in a water heater

  1. Immediately turn off the gas supply. Remove the three nuts that hold the thermocouple and the two gas tubes to the valve and set them aside. Remove the thermocouple from the burner and set it aside. You should install the new one in the same manner that you deleted the old one. Reconnect the gas line and turn on the water heater according to the manufacturer’s instructions.

Are thermocouples used in water heaters universally applicable? Thermocouples that are universally applicable. Universal thermocouples, as the name indicates, are compatible with a wide range of water heaters. They are readily accessible for purchase online and at home improvement stores at a reasonable price. When purchasing one, the length and thread type are the two most important considerations. How much does it cost to replace a thermocouple on a water heater, and how long does it take? Replacement of Thermocouples costs between $20 and $150.

If you conduct the job yourself, you will only be responsible for the cost of the part, which is around $20.

See also:  What Is The Weep Hole On A Water Pump For?

If you can’t get the flame to light at all, even after making certain that the gas is turned on, there’s most likely a blockage in the pilot tube.

How To Replace A Water Heater Thermocouple

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 the pilot light will not stay lit while there is gas flow, it is likely that the thermocouple has to be changed or, at the absolute least, cleaned.

A universal thermocouple is a low-cost component that can be found at most major hardware stores. It is less difficult than you would imagine to replace a thermocouple.

How Does a Thermocouple Work?

Typically found in gas water heaters, the thermocouple is a particular sensor tube that detects when the pilot light is lit and turns off the gas to the device when the pilot is extinguished. The thermocouple and pilot light tubes are both connected to the gas control valve and extend into the combustion compartment. In order for gas to travel to the pilot and burner, it is necessary to generate heat at the end of the thermocouple when it is ignited. When lighting the pilot, you must hold down the button for the thermocouple in order to prevent it from disengaging.

Before you Replace the Thermocouple

Before installing a new thermocouple, make sure there are no blockages in the supply line. Symptoms similar to those caused by a failing thermocouple might also be caused by an obstruction in the thermocouple or pilot tubes. If you blow through the tube and there is no air movement, the tube is most likely blocked with debris. To remove junk from a line, insert a piece of wire all the way through the tube and then use air pressure to clear out any dust or rubbish that has accumulated along the route.

Replacing the Thermocouple

You should turn off the gas line that leads to your water heater. Most units will have an inline valve for the gas input, but if one is not accessible, you can switch off the main gas line by turning it off. To turn off the gas, turn the gas control valve to the OFF position.

Step 2

Turn off the gas line going to your water heater and turn off the water heater. Most units will have an inline valve for the gas supply, but if one is not accessible, you can cut off the main gas line. Switch off the gas supply by turning off the gas control valve.

Step 3

Turn off the gas valve that supplies your water heater. Most units will have an inline gas input valve, but if one is not accessible, you can cut off the main gas line. To turn off the gas, turn the gas control valve to the “OFF” position.

Step 4

The burner, which is equipped with a pilot light and thermocouple tubing, is placed loosely in the container. Depending on whether the burner component is difficult to remove, there may be clips that must be loosened before the burner will move. Remove the complete burner component from the water heater by sliding it out.

Step 5

It is loosely positioned in the chamber, with the pilot and thermocouple tubes still attached. Depending on whether the burner component is difficult to remove, there may be clips that must be loosened before the burner can be moved. Remove the complete burner assembly from the water heater by sliding it out.

Step 6

Installing a new thermocouple is as simple as reversing the previous procedures. Keep in mind that one or more of the fittings has a left-hand thread and must be installed by turning the fittings counterclockwise. Make sure not to cross the threads and tighten all three fittings to the maximum degree possible.

Step 7

Turn on the gas valve that leads to the water heater. To relight the pilot, follow the directions printed on the pilot and turn the temperature control valve to the appropriate temperature setting.

Apply soapy water around the three fittings, keeping an eye out for bubbles that signal a possible gas leak. Please see the following video for instructions on how to replace your thermocouple.

How to Replace a Water Heater Thermocouple

Time Approximately one hour or less Complexity Cost for a beginner is less than $20.

Introduction

A thermocouple replacement may be all that is required for a hot water heater that is not heating. Learn how to replace this low-cost component and ensure that your hot water heater continues to function for many years.

Tools Required

Remove the burner assembly and the thermocouple from the assembly. Wear and tear on the thermocouple is the most common reason for pilot lights that won’t remain lit for long periods of time. It’s simple to change, and a new one will cost you between $5 and $10. The entire burner and thermocouple assembly may be removed rather than attempting to unfasten the thermocouple from within the water heater’s burning chamber, which is less time-consuming. Then remove the thermocouple from the burner and bring it with you to a home center or hardware store so that you can make sure you get the correct replacement.

Disconnect the three bolts that connect the thermocouple and the two gas tubes to the valve and set them aside.

Repairing Your Own Hot Water Heater

Sign Up For Our Newsletter

Complete your do-it-yourself tasks like an expert! Become a subscriber to our newsletter! Do It Right the First Time, and Do It Yourself! Step number three.

Vacuum

Cleaning the burner chamber, checking for water leaks, and removing dirt from the burner ports are all smart ideas at this time of year. Reattach the thermocouple and replace the burner component once it has been disconnected. Follow the manufacturer’s directions for lighting the pilot on the water heater. While the main burner is running, check for gas leaks by pouring soapy water to joints and searching for bubbles to indicate a leak. Instructions on How to Install a Hot Water Heater

No Hot Water? Restore It Yourself

Your gas water heater’s burner chamber has what’s known as a thermocouple, which is a little metal cylinder that sits directly in front of the pilot light. The thermocouple is a safety device that detects when the pilot light is on and has to be replaced. If the pilot light goes out, the thermocouple sends a signal to the gas valve, which keeps the valve closed until the pilot light returns.

A worn out thermocouple is one of the most common gas water heater problems

There is a small metal cylinder, known as a thermocouple, located within the burner chamber of your gas water heater, directly in front of the pilot light. An electrical safety device, the thermocouple detects the presence of a burning pilot light. Whenever the pilot light is turned off, the thermocouple instructs the gas valve to remain closed until the pilot light is turned back on.

See also:  How Long Does It Take To Drain A 50 Gallon Hot Water Heater?

Water Heater Thermocouple – Thermocouple Replacement Guide

A thermocouple is a tiny metal cylinder that is located within the burner chamber of your gas water heater, directly in front of the pilot light.

The thermocouple is a safety device that detects when the pilot light is on and alerts the operator. A malfunctioning thermocouple instructs a gas valve to remain closed until the pilot light is re-ignited.

Thermocouple BuyersGuide

Thermocouple for universal water heaters is another name for this device. On one end, it screws into the bottom of the gas valve, and on the other, a probe that slips into a retaining bracket near the pilot light, is attached. It has the appearance of a piece of copperwire (see pic. below). The thread on this thermocouple is on the right side. Turn to the right to tighten and to the left to relax. Universal thermocouples are available in a variety of lengths ranging from 15 to 36 inches. For all domestic water heaters that use universalkits, an 18- or 24-inch diameter will sufficient.

Alternatively, if you wish to utilize an exact replacement length, just remove your old one and measure its length.

TCO style

Thermal Cut Off type thermocouples are equipped with a re-settable thermal shut off switch that is built into the thermocouple. A flash fire or blowback from the burner will cause the TOC to shut down gas delivery to the burner and pilot. In the event of a shut down, the TOC should automatically reset itself after it has cooled down, allowing you to relight the pilot. The TOC switch has the appearance of a watch battery. It is only seen on modern design water heaters with sealed burner chambers that you will discover the TOC.

TOC non-resettable style

In the tube of these thermocouples is a little TOC that has been constructed. However, the diameter is bigger towards the middle of each tube, compared to a conventional one. Because of this, when these TOCs are turned off, they cannot be reset and must be replaced.

Whirlpool Water Heater Thermocouple

There is a little TOC built into the tube of this thermocouple. Although they seem similar to a conventional one, the diameter is greater around halfway along the tube. After turning off, these TOCs will not reset and will need to be replaced.

How thermocouples work

When the probe is heated to a specific temperature, a pilot thermocouple transmits a little electrical current to the gas valve, which opens the valve. This electrical current informs the gas valve that the pilot light is on and that it is safe to supply gas to the burner if the thermostat indicates that it is necessary. To inspect the thermocouple on a water heater, press the pilot button on the water heater gas control valve all the way down. Start the engine with the pilot light on. If, after keeping the pilot button down for 30 to 60 seconds, the pilot light goes out when you release the button, the thermocouple is most likely faulty on earlier machines, according to the manufacturer.

A issue with gas flow, a gas control valve, or a tripped TOC can cause the pilot to go out completely.

The most common thermocouple problems

In the case of the thermocouple probe, the tip has become brittle. On seal burner water heaters, there is a lack of air (oxygen).

Thermocouple Repair

If the probe seems to be white, this is due to carbon buildup. It has the potential to prevent the probe from becoming hot enough to trigger a signal to the gas valve. Using emerycloth, sand it down and relight the pilot. It should work for a while, but keep a spare thermocouple on available in case it fails.

The thermocouple probe must be in contact with the pilot light flame at all times. Tightening the thermocouple into the gas valve is essential for proper operation. Make sure there are no kinks in the pilot thermocouple tubing.

Water heater thermocouple replacement

The replacement of a thermocouple is a straightforward procedure. As long as you are comfortable with tools, you should have no trouble. When working with gas, it is critical to adhere to all safety precautions. Most hardware stores have a universal water heater thermocouple, which may be purchased for a few dollars. To demonstrate how the thermocouple is positioned adjacent to the pilot, I’ve removed the burner component from the instructions below.

How To Replace A Thermocouple

This is a thermocouple kit that may be used anywhere. It will work with the majority of water heaters. The burner assembly for the water heater is seen on the left, after it has been removed from the water heater. The thermocouple is situated next to the pilot head on the instrument panel. Your water heater’s gas supply should be turned off. The temperature control knob (located on the gas control valve) should be set to the lowest possible level. Turn the on/off pilot control knob all the way to the left to turn it off.

  1. Using a 3/8 in.
  2. Reach into the burner chamber and yank the thermocouple out of its holder with your fingers.
  3. You can skip the following step and go down this page for instructions on how to remove the burner assembly if you are unable to remove it.
  4. Good.
  5. The tip of the probe should be 1/8 to 1/4 inch past the pilot head when it is in the correct position.

Remove the Burner Assembly

Assume that you’ve severed the thermocouple from the gas control valve and are unable to release it from the burner assembly. What do you do now? You’ll have to take the water heater burner out of the equation. The pilot supply tube should be disconnected from the gas control valve by using a 7/16-inch end wrench. Using a 3/4-inch end wrench or an adjustable wrench, remove the burner supply tubing from the burner. The burner assembly should be removed from the water heater. With a pair of pliers, you may now remove the thermocouple from the circuit.

Position the tip of the probe 1/8 to 1/4 in.

Reinstall the burner assembly if necessary.

As soon as you are completed, check all connections for gas leaks.

Pages that are related On older design water heaters, turn on the pilot light. To operate FVIR-style systems, turn on your pilot light. Troubleshooting for a gas water heater. return to the beginning

Help

  • So you’ve managed to detach the thermocouple from the gas control valve, but you can’t seem to get it out of the burner assembly. Remove the water heater burner if you want to use it again. The pilot supply tube should be disconnected from the gas control valve by using a 7/16 in. end wrench. Using a 3/4-inch end wrench or an adjustable wrench, remove the burner supply tubing from the stove. It’s time to dismantle your water heater’s burner component! A pair of pliers will now be required to remove the thermocouple. Insert the new water heater thermocouple by sliding it into the existing hole in the tank. Precisely position the tip of the probe such that it passes 1/8 to 1/4 inch past pilot head. Ensure that the burner assembly is properly reinstalled Check to check that the burner assembly’s end fits into the slot that keeps it in place (see picture). Inspect all connections for gas leaks after you’re finished. – The pilot light should be turned on once the thermocouple and burner assembly have been placed in your water heater. Pages that are associated with Older model water heaters need the use of a pilot light. On FVIR-style devices, turn on the pilot light. Troubleshooting a gas water heater returns you to the starting point
See also:  What Happens If Water Heater Runs Out Of Water?

Back This is a continuation of the stages taken before. If you started from this point, please review the preceding steps to make sure you’ve taken all necessary safety precautions. 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:Reset the Thermal Switch

It is possible for the thermal switch to trip if the water heater is not receiving enough air.

  • If the water heater does not receive enough air, the thermal switch may trip. To reset the thermal switch, press the little reset button located in the center of the switch. Depending on how badly it’s tripped, you might be able to hear it click. However, if the thermal switch does not make a clicking sound, you should attempt to ignite a pilot using the directions on the water heater’s label. If the Status Light begins to flash now, it is likely that the thermal switch has triggered. This indicates that the water heater is not receiving sufficient airflow. Replace the outer door with a new one. If this is a first-time installation, refer to A draft test is being carried out. If the water heater is more than a few years old, it is possible that the air filter or flame arrestor has become clogged with dust or lint. See Air Filter and Flame Arrestor should be cleaned regularly. Turn off the gas control knob and the gas supply valve, and then click on “More Help” below if the Status Light continues to not flash.

Why Your Water Heater’s Pilot Light Keeps Going Out & How to Fix It

The date is May 13, 2021. When the pilot light flame on your gas water heater goes out, it is an annoying and frustrating situation to have to deal with. When your water heater’s pilot light fails to stay lit, you’re left without hot water, which makes even the most basic of tasks such as taking a shower a chore. Naturally, you question, “How did this happen? What happened?” Is there anything you can recommend to help you get things going again? What should I do to have it repaired? “May you tell me about the costs I can expect?” Fortunately, if your water heater pilot light goes out, you should be aware that this is a frequent problem that many homeowners have and that the time and effort required to repair it is low.

Why does the pilot light on my water heater keep going out?

Because of problems with the heater’s thermocouple or owing to access to combustible air, your water heater’s pilot light continues going out repeatedly.

Thermocouple Issues

When your pilot light is on, your thermocouple detects the presence of the flame. The thermocouple’s tip is positioned above the pilot flame, providing a voltage that maintains the gas valve open in the process. A thermocouple will shut down the gas supply to your water heater if it detects that the pilot light on your water heater is not lighting up properly. When thermocouples are exposed to moisture or dust for an extended period of time, they might malfunction, gather dust, or get bent away from the pilot light’s flame.

Lack of Combustible Air

Another reason why your gas water heaterpilot light won’t remain lighted might be that there isn’t enough combustible air in the room where it is located. To keep the pilot light on in your water heater, you’ll need to blow air into it. Otherwise, the flame will be extinguished. Take precautionary measures to ensure that the water heater is not surrounded by material, such as litter or lint, which might increase the quantity of combustible air present. Maintain as much cleanliness as possible in the surrounding region.

What do I do if my water heater pilot light keeps going out?

Try to rekindle the spark on your own first, if at all possible. Take the following general steps:

  1. Locate the gas shut-off knob and turn it all the way to the “Off” position. The gas flow is halted as a result of this. Allow for a few minutes for the gas to dissipate before continuing. To get access to the burner, remove the access panel. To begin the flow of gas, turn the knob to the “Pilot” position. You’ll want to press and hold the knob down for a few seconds. While still holding the gas knob, ignite the pilot with a long lighter while still holding the gas knob. To ignite your gas water heater, use the button on the side of the tank that says “ignite.” As soon as the flames have been extinguished, turn the gas knob to the “On” position and wait for the main burner to come on.

If you are unable to relight the pilot or if your pilot light keeps going out, it is possible that you have another problem, such as a faulty thermocouple, to consider.

Please refer to the owner’s handbook for your water heater equipment for further information.

Can I replace a thermocouple myself?

Yes. In the event that you are handy with tools, you may be able to change the thermocouple yourself. It is easier to accomplish this by turning off the gas valve and removing the entire burner and thermocouple assembly. In the case of minor repairs, it is preferable and safer to hire someone who is knowledgeable in the field of repair. A specialist may also evaluate your water heater for other faults and provide advise or ideas on how to deal with any existing or future difficulties that may arise.

Call BGE HOME

Please contact BGE HOME at (410) 918-5600 if your water heater pilot light will not light or continues going out. You may also contact us online. Our licensed specialists are available 24 hours a day, seven days a week to come out and inspect your water heater and make recommendations on how to get it running safely and effectively again. This item was posted on Thursday, May 13th, 2021 at 4:09 pm and is filed under Uncategorized. Commenting and pinging are temporarily closed for this post.

Leave a Reply

Your email address will not be published.