Wall Furnace Pilot Light Will Not Stay Lit

If the pilot light will not stay lit it needs to be fixed asap to supply heat to your home and for safety reasons.

Wall furnace pilot light will not stay lit.

The thermocouple detects the pilot light via sensors. The flame sensor tells your furnace that the gas is lit. I ve used this furnace for over 15 years without replacing the thermocouple. Poor flame sensor.

It may try a few times before giving up altogether. This started occurring after i did some gas plumbing and had to relight the pilot. You see your furnace light the pilot when your thermostat calls for heat but then it quickly shuts off without lighting the burner. A number of reasons can cause the wall furnace to not light including a damaged thermocouple a clogged pilot.

There are numerous things that may make the pilot light on your furnace to not stay lit. If it determines that the pilot light is off it shuts down the flow of gas. When the pilot on your wall furnace does not stay lit your furnace won t heat. An operational pilot light in your furnace means safety from the possibility of a gas leak.

A faulty thermocouple may arbitrarily determine that the light is off when you want it on and vice versa. Read on for reasons why and what you can do to fix it. Pilot light won t stay on. Thermocouples detect pilot lights by sensing the heat they produce.

If your furnace s pilot light won t stay on the furnace won t work. This pilot light may not always stay lit due to a variety of issues that may affect the gas supply or ignitor. If your pilot light won t stay lit the thermocouple is very likely the culprit. Furnaces of various kinds are gas powered and use a pilot light to supply heat to the unit including standard home furnaces and floor furnaces.

Check the thermocouple your furnace s thermocouple if it works normally checks to see whether the pilot light is on or off. I suspected the thermocouple and replaced it but this didn t fix the problem. The pilot won t stay lit on my furnace when i release the button it just goes out. When my pilot light wouldn t stay lit on my furnace i asked a few plumber buddies about the symptoms and they both said it was the thermo couple.

The thermocouple is the copper rod the pilot flame directly hits. In this hvac training video i show up close how the thermocouple pilot light and gas valve work on a water heater furnace fireplace as well as other ap.