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