Gas Water Heater Thermocouple Cleaning

How to replace thermocouple on a gas water heater.

Gas water heater thermocouple cleaning.

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. Slide the thermocouple through the metal bracket. The thermocouple is part of the pilot burner assembly and connects to the gas control valve on the outside of the water heater. First shut off the gas valve on the water heater and the gas valve on the gas line near the heater.

Insert the bolts and attach a nut to each one. Pull the gas tubes and thermocouple down out of the gas valve. So you need to be sure before you start the replacement procedure. If the water heater is still failing to heat the water the thermocouple may be completely defective the pilot itself could be restricted the igniter could be faulty the gas valve could be malfunctioning or the pressure switch in the power vent blower housing may have failed.

Gas based heaters can be dangerous because it can heat up faster and also there may be gas valve leaks. It has a metal rod that attaches to the furnace s gas valve. Find the right water heater parts with repair clinic. Tighten the bolts with an adjustable wrench or pliers.

To clean the thermocouple in a water heater is an important maintenance procedure. Diy hot water heater repair. The thermocouple is a safety device on a furnace. Cleaning the thermocouple is a pretty simple process but should only be done when the fireplace is turned off and is completely cool.

Turn the power on to the hot water heater. Even though this procedure is very simple it is still difficult to do without any precautionary measures. Want to say thanks for the video. It is a simple device that converts the heat from a burning flame into a small electrical current allowing it to work like a switch to control the flow of gas from the gas supply valve.

If the thermocouple feels the heat from a pilot light it keeps the gas line open. Your water should heat up within a little while. Keep the new thermocouple clean so that it continues working properly. The burner typically sits loosely or under clips in the burning chamber and just slides out.

Turn off the lever handle gas valve to the water heater and turn the knob on the top of the temperature control valve to off use open end wrenches to unscrew the nuts that connect the burner gas line the pilot gas line and the thermocouple. Then unfasten the three nuts that hold the thermocouple and the two gas tubes to the valve. If you don t it will eventually prevent the water from heating up. Hence hot water supply will cease today we ll show you how to clean the thermocouple on your water heater to avoid this inconvenience.

It s free for you to use and amazon pays a small commission https amzn to 33i9exy purchase wa. Slide the burner out of the water.