Author Topic: gsw water heater  (Read 486 times)

gsw water heater
« on: July 14, 2016, 05:42:22 PM »
having problems with a GSW hot water heater. Does the combustible gas sensor have a normally closed or normally oopen switch.

Offline walker

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Re: gsw water heater
« Reply #1 on: July 14, 2016, 10:00:48 PM »
it responds to a resistance reading.  If the reading isnt within range the control will not allow the gas to fire.  There is also a reset procedure to follow.  are you a licensed gas fitter?