Pilot Light in Plano, TX

Why Does My Pilot Light Keep Going Out in Plano, TX?

January 22, 2025

Your pilot light needs to stay lit for your furnace to keep you warm during Plano, TX winters. Here’s a look at some common reasons your pilot would start to go out frequently.

A Draft

Just like any other flame, a pilot can get blown out by a strong draft. If you experience frequent issues, you may need to have your system checked for air leaks and adjusted to prevent drafts from blowing out the pilot.

Faulty Thermocouple

The thermocouple plays an important role in keeping you safe, as it shuts off the gas valve if it detects that the pilot light isn’t lit. If it malfunctions, it may shut off the gas valve even without detecting an issue, resulting in the pilot light going out. If necessary, an HVAC technician can replace your old thermocouple with a new one.

Dirty Pilot Light Orifice

Debris around the pilot’s opening will impede the flow of gas, and if severe enough, this obstruction could lead to your pilot light weakening or going out altogether. Fortunately, a technician can clean the orifice as part of your maintenance services.

Low Gas Supply

Even with all your furnace’s components working properly, you may have trouble keeping the pilot lit if you don’t have enough gas flowing through your lines. Have your gas valve checked to make sure it can properly regulate gas flow. If it works properly, the gas company may need to intervene on your behalf.

Other than your pilot light being out, you may also notice a gas smell in your home, no heat coming out or an increase in your monthly bill. When you need assistance, call Quality 1 Energy Systems Heating & Air Conditioning to schedule a heating repair appointment in Plano, TX.

Image provided by iStock

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