Question about Williams 2509612 Ceramic Mid-Size Heater
Wall heater willams 3509622 heats up then shut down pilot too. i change the thermocouple all ready
There are 2 things to check. First is the thermostat. Next is the thermal safety switch located up on the heat exchanger. by-pass these one at a time by connecting the wires together. If that solves the problem, change to a new one. If neither one of these items are bad, you need a new gas valve.
Posted on Dec 31, 2007
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