Why does my gas fireplace's main burner light and then go out after a few seconds?
In Fairview — propane country, with wood heat popular on these big wooded lots — a gas fireplace that lights then dies usually comes down to the thermopile. On an LP unit, a pilot orifice that's fouled or slightly off burns too cool to heat the sensor, so it can't hold the valve and the burner drops within seconds.
Propane behaves differently, and it matters here
Fairview sits squarely in propane territory, and LP burns hotter per unit and wants different orifices and pressures than natural gas. When the pilot orifice partly clogs or the pressure drifts, the pilot flame turns small and cool and never fully bathes the thermopile tip — the sensor under-produces, the valve closes, and the flame quits seconds after it lights. The fix starts with the pilot, not the parts bin.
Wooded lots, seasonal habits
Between the wood-heat tradition and the big shaded lots out Cane Creek and Garren Creek, gas fireplaces here often sit idle stretches while the wood stove carries the load — and idle time is exactly when spiders and dust work their way into the pilot assembly. So the first cold-snap light-up is when the drop-out appears. We clean the pilot, verify the LP setup, then meter the thermopile at rest and under load.
Licensed on the gas side, fifteen minutes east
Tank coordination stays with your propane supplier, but the regulator, piping, pilot, and valve are licensed gas work — ours, not a DIY job in North Carolina. We carry the common thermopiles and pilot parts, most fixed in a single visit. Fairview's 15 minutes east. Call (828) 545-0525.
Fireplace help in Fairview
We install and service fireplaces throughout Fairview and the rest of Buncombe County — just 15 minutes east from our Asheville-area showroom.
Related questions
- My gas fireplace pilot is lit but the main burner won't come on — what's wrong?
- What is a thermopile and how do I test it with a multimeter?
- Why does my gas fireplace pilot light keep going out?
- Why does my gas fireplace shut off by itself after a few minutes?
- Can spiders or insects clog a gas fireplace pilot?

