Cleaning Gas Water Heater Thermocouple

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Cleaning gas water heater thermocouple.

Keep the new thermocouple clean so that it continues working properly. Unthread the nut to detach the burner supply tube from the gas or control valve. Your water should heat up within a little while. Wipe with a lint free cloth.

Be aware you may need to detach a pilot supply tube as well. Cleaning the thermocouple is a pretty simple process but should only be done when the fireplace is turned off and is completely cool. Disconnect any wires from the valve and unthread the nut to release the thermocouple if required by your model. Remove dust with a lint free cloth.

If the thermocouple is working you should be able to measure 30 to 40 millivolts of voltage at the connection end of the tube when the pilot flame is on. Before cleaning the thermocouple make sure that you shut off the power supply so that you do not get hurt while cleaning the thermocouple. Turn the power on to the hot water heater. Place these safely on the ground.

Completing these simple steps will prevent problems and will lengthen the life of your thermocouple. Of course always ensure that there is no water in the actual tank before you do this if you even have a tank. Turn on the water heater. Water heater thermocouple cleaning in 5 steps shut the gas inlet valve safety first.

This may prevent power from reaching the pilot lights. Once you re sure the thermocouple is clean fix it back to the unit. You really don t want hot water spilling everywhere causing property damage. Now the ends of thermocouple may be corroded.

Using a wrench or similar tool unscrew each of the leads going into the tankless water heater. If applicable detach the vapor sensor from the tank base. The thermocouple on a gas fireplace may eventually become clogged with dirt and soot which can reduce the effectiveness of the thermocouple and may eventually prevent the fireplace from lighting as expected. It s free for you to use and amazon pays a small commission https amzn to 33i9exy purchase wa.

This is always the first step when working on a water heater. After scrubbing further clean the thermocouple of the water heater with a microfiber cloth to remove excess particles. Use my amazon link to shop. A gas water heater in boise baton rouge buffalo or boston uses a thermocouple that includes a probe attached to a copper tube that screws into a port on the gas valve.