How To Clean Thermocouple On Water Heater

Be aware you may need to detach the thermocouple from the burner assembly to clean it.

Wipe the sanded surface with a lint free cloth to remove dust or particles that were left behind by the sandpaper. If it does congratulations. Rub the ends of this piece with an emery cloth sandpaper. Turn the hot water heater back on and relight the pilot light.

Be aware you may need to detach the thermocouple from the burner assembly to clean it thoroughly. If present you should also clean off any corrosion where the power wire connects to the thermocouple terminal. Use a screwdriver to loosen the screws and remove the thermocouple from the pilot assembly for cleaning. If present you should also clean off any corrosion where the power wire connects to the thermocouple terminal.

Use a piece of steel wool or the abrasive side of a sponge to gently remove the soot without damaging thermocouple. Cut the fuel supply to the water heater. If it s electric cut the power. In this case it s gas and you need to turn off the gas valve.

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Relight the pilot light too and wait to see if the water will heat up. Avoid using cleaning products especially those containing flammable chemicals. Now the ends of thermocouple may be corroded. This is always the first step when working on a water heater.

After scrubbing further clean the thermocouple of the water heater with a microfiber cloth to remove excess particles. Water heater thermocouple cleaning in 5 steps. You can use emery cloth sandpaper to gently clean any debris or build up from the end of the thermocouple. Turn on the water heater.

Shut the gas inlet valve safety first. Before cleaning the thermocouple make sure that you shut off the power supply so that you do not get hurt while cleaning the thermocouple. 2 shut off the gas entirely 3 disconnect everything from the heater 4 clean the thermocouple with a fine sandpaper 5 and while you re at it clean the rest of the unit. Use consistent pressure and continue sanding until the thermocouple s surface is clean.

Once you re sure the thermocouple is clean fix it back to the unit.