Power vent on gas hot water heater cycles off and on
Posted by John Love on November 25, 19100 at 11:38:36:
I have a "State" gas hot water heater with a power vent. The power vent cycles off and on. The power vent kicks on as though the heater is about to come on, then it shuts off. It sounds as though there's a valve shutting off and on also.

Heater seems to heat the water fine. When there's a demand for hot water, the gas heater and power vent come on just fine.

Any ideas? I'm assuming it's a control going bad, but I have no idea where to start.


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