Why is my furnace pilot not staying lit?

Why is my furnace pilot not staying lit?

The most common reason the furnace pilot light won’t stay lit. Bad Thermocouple. A furnace thermocouple is a safety feature that regulates gas flow to your system based on whether the pilot light is on. In simple terms, the thermocouple checks to see if your pilot light flame is lit and turns off the gas flow if it senses that your pilot light is off, so you don’t have gas building up in your home.

Why water heater pilot does not stay on?

When it will not stay lit it is a sign of a defective ‘thermocouple’. The thermocouple senses heat from the pilot light and sends a signal back to the gas valve. When they fail the gas valve will not open. See the discussion on ‘gas water heater thermocouples’ for more information.

Should my water heater be on or pilot?

The water heater pilot light needs to stay lit for a number of reasons. Not only does it ignite the gas inside your heater, but it also helps to maintain the internal temperature of your water heater, which cools over time. Igniting the pilot light is the first step you take to turning on the water heater.

Why does pilot light keep going out?

Why Does My Pilot Light Keep Going Out. The number one reason why the pilot light keeps going out is the thermocouple. Either the thermocouple is going bad or it is dirty and needs to be cleaned. Thermocouples work by producing a small amount of voltage when it is heated. This is the pilot flame that provides the heat.

Nov 23 2019

The most common reason the furnace pilot light won’t stay lit. Bad Thermocouple. A furnace thermocouple is a safety feature that regulates gas flow to your system based on whether the pilot light is on. In simple terms, the thermocouple checks to see if your pilot light flame is lit and turns off the gas flow if it senses that your pilot light is off, so you don’t have gas building up in your home.

When it will not stay lit it is a sign of a defective ‘thermocouple’. The thermocouple senses heat from the pilot light and sends a signal back to the gas valve. When they fail the gas valve will not open. See the discussion on ‘gas water heater thermocouples ‘ for more information.

The water heater pilot light needs to stay lit for a number of reasons. Not only does it ignite the gas inside your heater, but it also helps to maintain the internal temperature of your water heater, which cools over time. Igniting the pilot light is the first step you take to turning on the water heater.

Why Does My Pilot Light Keep Going Out. The number one reason why the pilot light keeps going out is the thermocouple. Either the thermocouple is going bad or it is dirty and needs to be cleaned. Thermocouples work by producing a small amount of voltage when it is heated. This is the pilot flame that provides the heat. Nov 23 2019

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