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.

There are numerous things that may make the pilot light on your furnace to not stay lit. This pilot light may not always stay lit due to a variety of issues that may affect the gas supply or ignitor. The thermocouple is the copper rod the pilot flame directly hits. Read on for reasons why and what you can do to fix it.

Flame sensors can go bad and occasionally need to be replaced. 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. It may try a few times before giving up altogether. You see your furnace light the pilot when your thermostat calls for heat but then it quickly shuts off without lighting the burner.

Without this device your furnace would simply continue to allow gas to flow into your home even when the pilot light was out. When the pilot on your wall furnace does not stay lit your furnace won t heat. The pilot won t stay lit on my furnace when i release the button it just goes out. If your furnace s pilot light won t stay on the furnace won t work.

Some common causes include issues with the thermocouple and pilot tube. The flame sensor tells your furnace that the gas is lit. The thermocouple detects the pilot light via sensors. A number of reasons can cause the wall furnace to not light including a damaged thermocouple a clogged pilot.

An operational pilot light in your furnace means safety from the possibility of a gas leak. Thermocouples detect pilot lights by sensing the heat they produce. This started occurring after i did some gas plumbing and had to relight the pilot. Pilot light won t stay on.

If your pilot light won t stay lit the thermocouple is very likely the culprit. I ve used this furnace for over 15 years without replacing the thermocouple. 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.

Poor flame sensor. I suspected the thermocouple and replaced it but this didn t fix the problem.