Cleaning Gas Water Heater Thermocouple

Once you re sure the thermocouple is clean fix it back to the unit.

Cleaning gas water heater thermocouple.

Water heater thermocouple cleaning in 5 steps shut the gas inlet valve safety first. Wipe with a lint free cloth. 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 on the water heater.

Cleaning the thermocouple is a pretty simple process but should only be done when the fireplace is turned off and is completely cool. Using a wrench or similar tool unscrew each of the leads going into the tankless water heater. This may prevent power from reaching the pilot lights. If you ever see residue on the ends of it remove it with an emery cloth.

Now the ends of thermocouple may be corroded. This is always the first step when working on a water heater. It s free for you to use and amazon pays a small commission https amzn to 33i9exy purchase wa. Completing these simple steps will prevent problems and will lengthen the life of your thermocouple.

You really don t want hot water spilling everywhere causing property damage. Unthread the nut to detach the burner supply tube from the gas or control valve. Keep the new thermocouple clean so that it continues working properly. Disconnect any wires from the valve and unthread the nut to release the thermocouple if required by your model.

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. Remove dust with a lint free cloth. Use my amazon link to shop. Turn the power on to the hot water heater.

Your water should heat up within a little while. Of course always ensure that there is no water in the actual tank before you do this if you even have a tank. Rub the ends of this piece with an emery cloth sandpaper. After scrubbing further clean the thermocouple of the water heater with a microfiber cloth to remove excess particles.

Be aware you may need to detach a pilot supply tube as well. 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. Place these safely on the ground. If applicable detach the vapor sensor from the tank base.