Question about Water Heaters
Because the burner is not adjusted correctly, you are waisting fuel.
Posted on Nov 19, 2014
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Posted on Jan 02, 2017
hi do you have 3/4 inch cas line running to it? if you only have 1/2 inch it is too small and running out of gas and shutting down. ed
Posted on Mar 03, 2010
That unit has two flow sensors. It needs to register flow through both sensors in order for it to fire. If one of the flow sensors is stuck or if there is scale blocking flow through the heat exchanger, it will not fire. I'd recommend contacting a servicer to clean the unit.
Posted on Jul 30, 2010
SOURCE: Hot water tap creates an
Like a buzzing noise? Check valve where water lines connect at back will make a buzzing noise, if you only hear it when running hot water and not when running cold. Remove and replace it after shutting water off, and draining tank down. Be sure to shut off any hydro to electric element prior to draining.You can buy a replacement check valve, or just put a short 1/2" pipe nipple in there instead and reconnect your line, and refill it. noise should be gone .
Posted on Jun 11, 2011
Thank you for providing clear description of product:
Your water heater has intellivent gas control thermostat.
There are always problems with water heaters. It is a huge field.
1) Open following link for AO Smith service manuals.
I do not see service manual specifically for the GP series.
2) Open following link to identify gas valve and download typical service manual:
Some AO smith power vent models have intellivent gas valve, and some have smart valve gas vent. Older models might have knob-type gas valve.
3) More resources:
Posted on Sep 24, 2011
Copy following link for troubleshoot resources, including troubleshoot by type of gas control valve.
Brand and model number of unit is located on label side of tank.
Posted on Aug 06, 2012
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