How To Replace A Thermocouple

First shut off the gas valve on the water heater and the gas valve on the gas line near the heater. Also buy a new gasket for the manifold cover plate if you are replacing the old one.

How To Replace The Thermocouple On A Hot Water Heater Rooter Man

Remove the thermocouple from the hotend.

How to replace a thermocouple. 1 Loosen the retaining screws inside the heating block then loosen the screw on the collet to remove the hotend assembly. Get Your Thermocouples hereHoneywell 18 inch. Ing do not kink or crease the thermocouple.

It is essential for the proper operation of the water heater that the thermocouple be bent smoothly without kinks or creases. Loosen the screws that hold the thermocouple in place. Follow this to where it is attached to the pilot light assembly by a bracket.

Then unfasten the three nuts that hold the thermocouple and the two gas tubes to the valve. In some cases the sensor rod end is merely clipped in place. Take the old thermocouple to the hardware home improvement or plumbing supply store to buy an exact replacement.

Replacing a Thermocouple Shut off the gas and electrical power to the furnace. Insert the new thermocouple from the outside through the grommet or. How to replace a thermocouple on a water heaterExample tank is a Bradford WhiteModel.

Remove the furnaces access cover. Remove the Old Thermocouple Remove the outer and inner doors to the gas burner. 1 Use a 25mm hex wrench to remove the two retaining screws of the cooling fan that corresponds to the thermocouple you will replace.

To remove the thermocouple start by loosening the nuts that connect the wiretube end to the gas control valve as well as the nut that holds the sensor rod to the bracket next to the pilot gas jet. Replacing the Thermocouple Step 1. The thin copper tube leading from the gas control valve is the thermocouple.

To remove debris from the line push a piece of wire all the way through the tube and then apply air pressure to clean out any dust or trash left behind. How to Replace the Thermocouple Turn off the gas and make sure the pilot light goes out. Thermocouple replacementnarrated and performed by husband vid takes by Deb Paredes.

Then detach the thermocouple from the burner and take it with you to the home center or hardware store to ensure you buy the right replacement. Wait twenty minutes for the thermocouple to cool down. One end of a thermocouple on a gas stove connects to the pilot light and the other end connects to the gas line.

Insert the tip of the thermocouple through the hole in the front of the manifold door and route it in the same configuration as the old thermocouple. If there is no air flow when you blow through the tube it is probably clogged. When the sensor wire connected to the pilot does not sense the presence of a flame it turns off the gas supply coming into the stove.

If the furnace has been running wait 30 minutes for the thermocouple to. Alternatively you can use a small piece of sandpaper to clean the thermocouple. Basic troubleshooting and repair for a central heating system.

How To Replace A Water Heater Thermocouple Diy Family Handyman