Staff Answer
Sep 28, 2026 - 07:40 AM
If it runs for hours and then drops out even with a new thermocouple, look at what changes over time. The LP pressure can drop as the regulator ices or the tank cools, wind can blow the flame out, or the thermocouple tip may not be sitting fully in the flame. If the thermocouple is also connected through an extension/interrupter, check that joint. A gas valve with a weak magnet can also drop out, and the 625688-07 valve is discontinued now.
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