Wall Mountes Gas Heater Pilot Light Keeps Going Out

If the pilot doesn t relight if it goes out right after lighting or if the pilot light keeps going out by far the most common cause is a bad thermocouple.

Wall mountes gas heater pilot light keeps going out.

How to troubleshoot gas wall heaters. This device generates a small electric signal to keep the gas valve open when the pilot is on. A leak in the output duct of the furnace could cause air to blow into the area. If this pilot light ever goes out.

You can test it with a multimeter. If the pilot lights but won t stay lit the thermocouple is probably bad. If the thermocouple is too far from the flame this can cause the pilot to go out and shut down the propane heater. Every gas appliance with a standing pilot that cycles on and off needs a thermocouple.

This will prevent the pilot light from heating it. To avoid your water heater going out bend the thermocouple so it is closer to the pilot light. You can usually replace a thermocouple for minimal cost and in less than an hour. This will cause the thermocouple to turn off the supply of gas and then your water heater won t light.

If your pilot light re lights easily after going out overnight it s possible it was blown out by a draft. You can fix this easily by moving the thermocouple closer to the flame. Gas heaters whether they warm up air or water in a home rely on a pilot light to trigger the flame of the actual heater. 5 improper air flow or a strong draft blows the pilot out.

Sometimes your gas water heater won t light due to a dirty pilot tube. Gas wall heaters whether vented or unvented can supply enough heat to warm a small or medium sized room and they can operate with propane or natural gas. The initial flame of the pilot heats the thermocouple which will signal the valve to stay open and keep the pilot lit and the propane heater functioning.