Replacing Thermocouple On Water Heater

By james carey morris carey.

Replacing thermocouple on water heater.

Remove the burner assembly and detach the thermocouple. 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. Smith and state branded tanks. Make sure your home is equipped with carbon monoxide detectors when gas powered appliances are present.

For detailed steps on how to replace or install a water heater read our install an electric water heater and install a gas water heater articles. Learn how to replace this inexpensive part and keep your hot water heater working for years to come. If you have a gas water heater with a pilot light that won t stay lit it s probably due to a failed thermocouple. 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.

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. 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. A hot water heater that doesn t heat might just need a new thermocouple.

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. The thermocouple and pilot light tubes both extend from the gas control valve to the burning compartment. 1 cause of pilot lights that won t stay lit is a worn out. Check the pilot light to make sure the flame heats the last 1 2 inch of the.

Turn on the gas valve that supplies the water heater. 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. Follow the manufacturers instructions to light the pilot.