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Cleaning gas water heater thermocouple.
Wipe with a lint free cloth.
This is always the first step when working on a water heater.
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.
Rub the ends of this piece with an emery cloth sandpaper.
Water heater thermocouple cleaning in 5 steps shut the gas inlet valve safety first.
Using a wrench or similar tool unscrew each of the leads going into the tankless water heater.
Cut the fuel supply to the water heater.
Turn on the water heater.
This may prevent power from reaching the pilot lights.
Keep the new thermocouple clean so that it continues working properly.
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.
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If you ever see residue on the ends of it remove it with an emery cloth.
If applicable detach the vapor sensor from the tank base.
Place these safely on the ground.
After scrubbing further clean the thermocouple of the water heater with a microfiber cloth to remove excess particles.
Remove dust with a lint free cloth.
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Cleaning the thermocouple is a pretty simple process but should only be done when the fireplace is turned off and is completely cool.
Be aware you may need to detach a pilot supply tube as well.
Turn the power on to the hot water heater.
Your water should heat up within a little while.
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.
Disconnect any wires from the valve and unthread the nut to release the thermocouple if required by your model.
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.