A bundle of thermocouples that puts out millivolts of electricity once the pilot flame heats it, and that current drives the main valve in standing-pilot gas fireplaces. On a test reading, 650 to 850 mV is healthy, while anything below 300 mV is on its way out.
We work on thermopile every week across DFW. CSIA-certified, written quotes, financing available.
Free written quote. Same-week scheduling. 24/7 emergency response when you need it.
Active leak, animal in flue, post-fire damage, or smoke event? Real humans on the line 7 AM to 12 AM every day — replies in under 2 minutes. Tech dispatch within 2 hours during business hours, subject to crew availability after-hours.
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