Replacing Thermocouple On Water Heater

If you have a gas water heater with a pilot light that won t stay lit it s probably due to a failed thermocouple.

Replacing thermocouple on water heater.

Remove the burner assembly and detach the thermocouple. The thermocouple is a thermoelectric device that shuts off the gas if the pilot light goes out. Test the thermocouple connection to the gas control valve with soapy water. Step 8 reattach the manifold tube pilot tube and thermocouple to the gas control valve thermostat and tighten them using the adjustable wrench.

Replace the two piece wire connector onto the thermocouple and igniter wire securing it with the retainer clip and slide the manifold burner assembly back into the water heater. Smith and state branded tanks. Once you start replacing a water heater you have to finish. Check the pilot light to make sure the flame heats the last 1 2 inch of the.

In simple terms it s a short piece of tubing that runs from the gas controller to the pilot. No bubbles mean no gas leak. Make sure your home is equipped with carbon monoxide detectors when gas powered appliances are present. A hot water heater that doesn t heat might just need a new thermocouple.

By james carey morris carey. Learn how to replace this inexpensive part and keep your hot water heater working for years to come. 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. The thermocouple is a special sensing tube on gas water heaters that senses when the pilot light has flame and shuts off the gas to the unit when the pilot has been extinguished.

Follow the manufacturers instructions to light the pilot. Turn on the gas valve that supplies the water heater. Podoy 39 098514 01 thermocouple replacement for desa lp glow warm comfort glow vent free heaters 098514 02 71 031 0120 ssn18tb ssl18tb md200tbe 4 6 out of 5 stars 82 reliance water heater pilot assembly 100109295 9003542005 replacement part natural gas compatible with reliance a o. 1 cause of pilot lights that won t stay lit is a worn out.