Why does my gas fireplace's main burner light and then go out after a few seconds?
In Marshall, a fireplace that lights then dies in seconds is the same weak-thermopile story as anywhere — but the steep hillside homes and tight downtown lots here make getting to the unit part of the job. A tired sensor, a pilot clogged over summer, or connections corroded by French Broad gorge damp is the usual cause.
Access is half the visit
Marshall's homes cling to steep hillsides, and its revitalized downtown is built tight against the mountainside, so reaching a firebox and its gas connections sometimes takes more planning than the repair itself. We'd rather know the layout before we arrive, so tell us what we're walking into when you call — it keeps this to a single visit.
What's actually dropping the flame
The mechanics don't change with the terrain: a thermopile has to make enough millivolts to hold the gas valve open, and when it's aged out, or a summer-clogged pilot burns too cool to heat it, the valve closes and the burner quits within seconds. The damp French Broad gorge evenings also corrode spade connectors, which bleed voltage the same way. We meter the sensor open and under load to tell them apart.
Twenty-five minutes north, done by the licensed side
Marshall is 25 minutes north of Asheville, mixed-fuel country, so propane units get the added pilot-orifice and pressure check. Running or repairing the gas side is licensed work in North Carolina — not a DIY fix on a hillside firebox. We carry the common parts. Call (828) 545-0525.
Fireplace help in Marshall
We install and service fireplaces throughout Marshall and the rest of Madison County — just 25 minutes north 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?
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