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Question DetailsAsked on 4/30/2016

How much should it cost to replace gas valve regulator

Gas water heater keeps going out due to bad valve

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1 Answer


Assuming you know it is a defective gas regulating valve, this previous similar question and answer should help you -

However, note that the gas regulator is rarely the issue, and then usually leaking, not failing to operate. The more common causes are drafts blowing the pilot flame off the thermocouple, improperly located thermocouple (not firmly in the pilot flame), improperly situated draft deflector around the pilot flame so it blows out or off the thermocouple when the gas burner kicks on, defective or improperly seated thermocouple, a failing "thermal pile" or thermoelectric generator module inside (used on modern electronic controlled valves with LED indicators), or a safety sensor like a flame rollout or combustion chamber overheat or combustible gas sensor shutting it down. Or blocked air vents into the heater - especially those ludicrous screened bottom vents on some newer units.

Answered 4 years ago by LCD

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