Cleaning Gas Water Heater Thermocouple

This is always the first step when working on a water heater.

Cleaning gas water heater thermocouple.

Place these safely on the ground. Rub the ends of this piece with an emery cloth sandpaper. Keep the new thermocouple clean so that it continues working properly. Water heater thermocouple cleaning in 5 steps shut the gas inlet valve safety first.

Remove dust with a lint free cloth. It s free for you to use and amazon pays a small commission https amzn to 33i9exy purchase wa. 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. Now the ends of thermocouple may be corroded. Cut the fuel supply to the water heater. 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.

Using a wrench or similar tool unscrew each of the leads going into the tankless water heater. Disconnect any wires from the valve and unthread the nut to release the thermocouple if required by your model. Cleaning the thermocouple is a pretty simple process but should only be done when the fireplace is turned off and is completely cool. Turn on the water heater.

You really don t want hot water spilling everywhere causing property damage. If you ever see residue on the ends of it remove it with an emery 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. Your water should heat up within a little while.

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. Be aware you may need to detach a pilot supply tube as well. Unthread the nut to detach the burner supply tube from the gas or control valve.

Of course always ensure that there is no water in the actual tank before you do this if you even have a tank. Turn the power on to the hot water heater. If applicable detach the vapor sensor from the tank base. Completing these simple steps will prevent problems and will lengthen the life of your thermocouple.