Cleaning Gas Water Heater Thermocouple

If you ever see residue on the ends of it remove it with an emery cloth.

Cleaning gas water heater thermocouple.

Your water should heat up within a little while. Now the ends of thermocouple may be corroded. Water heater thermocouple cleaning in 5 steps shut the gas inlet valve safety first. 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.

Cleaning the thermocouple is a pretty simple process but should only be done when the fireplace is turned off and is completely cool. 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. 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. Use my amazon link to shop.

Turn on the water heater. Unthread the nut to detach the burner supply tube from the gas or control valve. Rub the ends of this piece with an emery cloth sandpaper. You really don t want hot water spilling everywhere causing property damage.

Wipe with a lint free cloth. Completing these simple steps will prevent problems and will lengthen the life of your thermocouple. Before cleaning the thermocouple make sure that you shut off the power supply so that you do not get hurt while cleaning the thermocouple. This may prevent power from reaching the pilot lights.

Using a wrench or similar tool unscrew each of the leads going into the tankless water heater. Keep the new thermocouple clean so that it continues working properly. Be aware you may need to detach a pilot supply tube as well. Of course always ensure that there is no water in the actual tank before you do this if you even have a tank.

Once you re sure the thermocouple is clean fix it back to the unit. Remove dust with a lint free cloth. Disconnect any wires from the valve and unthread the nut to release the thermocouple if required by your model. If applicable detach the vapor sensor from the tank base.

After scrubbing further clean the thermocouple of the water heater with a microfiber cloth to remove excess particles. Want to say thanks for the video. Cut the fuel supply to the water heater. This is always the first step when working on a water heater.