Why does my gas fireplace's main burner light and then go out after a few seconds?
Out in Leicester, where many rural large-lot homes run on propane and some remote properties have limited electrical capacity, a burner that lights then quits is usually the thermopile. That millivolt system is an advantage here — it needs no household power — but the sensor itself is the weak link, and a cool LP pilot speeds its failure.
Why a standing-pilot system suits Leicester
On properties with limited electrical capacity, a standing-pilot gas fireplace is a genuine fit — the thermopile generates its own millivolts from the pilot heat and holds the valve open without plugging into anything, which is why it keeps producing heat even with the grid down. The trade-off is that the thermopile is also the part that ages out, and when it can't make enough voltage the valve closes and the burner drops within seconds.
Propane and the cold hollows
Leicester is propane and wood country, and LP wants a clean, correctly sized pilot orifice to burn strong; a fouled one burns cool and under-heats the sensor. Cold-air drainage runs these rural valleys several degrees below Asheville on clear nights, so the fireplace works hard and a marginal thermopile shows itself early. We confirm the propane setup before we trust the meter reading.
Metered, honest, fifteen minutes west
We read the thermopile open and under load to separate a tired sensor from a corroded connection or a failing valve, and quote it before any work — thermopile inexpensive, valve more. Gas and propane repair is licensed work in North Carolina. We're 15 minutes west. Call (828) 545-0525.
Fireplace help in Leicester
We install and service fireplaces throughout Leicester and the rest of Buncombe County — just 15 minutes west from our Asheville-area showroom.
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