User contributions for Teigetucwg

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A user with 1 edit. Account created on 1 January 2026.
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1 January 2026

  • 01:1601:16, 1 January 2026 diff hist +19,405 N Furnace Not Heating: Thermocouple vs. Flame Sensor Issues 42433Created page with "<html><p> When a furnace refuses to heat, the temptation is to picture a catastrophic failure. In many homes, though, the problem comes down to a simple safeguarding part that either stopped sensing flame correctly or stopped telling the gas valve it was safe to stay open. On older standing-pilot furnaces, that part is the thermocouple. On modern direct-ignition furnaces, it is the flame sensor. Both exist to prevent burning gas without flame, but they work differently a..." current