Replace Thermocouple Sealed Hot Water Heater

A thermocouple or flame sensor is a device used to control gas flow in gas water heaters on older style heaters with standing pilot lights the device is typically called a thermocouple while on newer units with electronic ignition the same or virtually the same device is called a flame sensor for our purposes we ll refer to both devices as the thermocouple.

Replace thermocouple sealed hot water heater.

Remove the burner assembly and detach the thermocouple. Get your thermocouples here. Honeywell home cq100a1005 u cq100a1005 replacement thermocouple for gas furnaces boilers and water heaters 36 inch 4 7 out of 5 stars 193 9 79 9. Removing the thermocouple is easy and it requires only a screwdriver.

Flush the heater to remove sediment from the tank. Raise the temperature setting on the thermostat. By james carey morris carey. Https amzn to 33pt1pk honeywell 24 inch.

The thermocouple is a thermoelectric device that shuts off the gas if the pilot light goes out. How to replace the thermocouple if it is broken and how to test the element. A hot water heater that doesn t heat might just need a new thermocouple. 1 cause of pilot lights that won t stay lit is a worn out.

At the base of the gas water heater there is a gas valve with the thermostat. Step 8 reattach the manifold tube pilot tube and thermocouple to the gas control valve thermostat and tighten them using the adjustable wrench. Make sure that the power is connected. How to replace a thermocouple on a hot water heater.

Check the following when your water is not hot enough. If you have a gas water heater with a pilot light that won t stay lit it s probably due to a failed thermocouple. When the pilot light on a gas water heater won t stay lit the problem is usually a faulty thermocouple. Https amzn to 2bpyq8c honeywell 36 inch.

Turn off the main gas shut off valve that supplies the water heater. Learn how to replace this inexpensive part and keep your hot water heater working for years to come. Replace the heating element or thermostat. Insulate the hot water pipes.

In simple terms it s a short piece of tubing that runs from the gas controller to the pilot.