Cut the fuel supply to the water heater.
Water heater thermocouple cleaning.
Use the steel wool or the abrasive side of the sponge for gently rubbing the thermocouple.
The steps required to access the thermocouple will vary depending on the water heater model but here are some general guidelines you can follow.
Be aware you may need to detach a pilot.
Reattach the thermocouple to the pilot assembly once it s clean.
This is always the first step when.
If applicable detach the vapor sensor from the tank base.
Now you can see the thermocouple.
If you are done with re installing the unit you can.
Cleaning steps turn off the power to your hot water heater so that you do not risk becoming injured while cleaning the thermocouple.
The burner typically sits loosely or under clips in the burning chamber and just slides out.
Once you reach there you need to slowly take out the.
Rub until you remove the soot from the thermocouple.
Follow the entire procedure till you reach to the burner assembly.
Avoid using cleaning products especially those containing flammable chemicals.
Once you re sure the thermocouple is clean fix it back to the unit.
Remove the burner assembly take a picture before doing anything so you can remember how it s supposed to look when.
Water heater thermocouple cleaning in 5 steps shut the gas inlet valve safety first.
Supply tube as well.
Before you begin be sure to unplug the water heater s power cord and shut off the gas supply.
Disconnect any wires from the valve and unthread the nut to.
Use a screwdriver to loosen the screws and remove the thermocouple from the pilot assembly for cleaning.
Then unfasten the three nuts that hold the thermocouple and the two gas tubes to the valve.
First shut off the gas valve on the water heater and the gas valve on the gas line near the heater.
Use the pencil eraser and start cleaning between the threads of the screw the thermocouple attaching screw.
If necessary unthread any mounting screws and remove the.
Relight the pilot light too and wait to see if the water will heat up.
Gas or control valve.
After scrubbing further clean the thermocouple of the water heater with a microfiber cloth to remove excess particles.
Use a piece of steel wool or the abrasive side of a sponge to gently remove the soot without damaging thermocouple.
If it does congratulations.
Release the thermocouple if required by your model.
You can now replace it.
Turn on the water heater.
The ends of this piece may be corroded preventing power from reaching the pilot light.
Diy hot water heater repair.