Wall Furnace Pilot Light Will Not Stay Lit

If your furnace s pilot light won t stay on the furnace won t work.

Wall furnace pilot light will not stay lit.

Read on for reasons why and what you can do to fix it. The thermocouple is the copper rod the pilot flame directly hits. This pilot light may not always stay lit due to a variety of issues that may affect the gas supply or ignitor. If it determines that the pilot light is off it shuts down the flow of gas.

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. 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. There are numerous things that may make the pilot light on your furnace to not stay lit. It may try a few times before giving up altogether.

If your pilot light won t stay lit the thermocouple is very likely the culprit. Poor flame sensor. Some common causes include issues with the thermocouple and pilot tube. I ve used this furnace for over 15 years without replacing the thermocouple.

A faulty thermocouple may arbitrarily determine that the light is off when you want it on and vice versa. The thermocouple detects the pilot light via sensors. Pilot light won t stay on. This started occurring after i did some gas plumbing and had to relight the pilot.

Without this device your furnace would simply continue to allow gas to flow into your home even when the pilot light was out. The pilot won t stay lit on my furnace when i release the button it just goes out. The flame sensor tells your furnace that the gas is lit. An operational pilot light in your furnace means safety from the possibility of a gas leak.

If the pilot light will not stay lit it needs to be fixed asap to supply heat to your home and for safety reasons. A number of reasons can cause the wall furnace to not light including a damaged thermocouple a clogged pilot. Flame sensors can go bad and occasionally need to be replaced. You see your furnace light the pilot when your thermostat calls for heat but then it quickly shuts off without lighting the burner.

When the pilot on your wall furnace does not stay lit your furnace won t heat. I suspected the thermocouple and replaced it but this didn t fix the problem.