- This topic has 3 replies, 3 voices, and was last updated 17 years, 7 months ago by
Selgas.
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norman carter
I have a water heater that the pilot light works but I can’t get the main flame to stay or it just won’t light.
thanks
Michael -
Does the pilot light stay alight all the time and is it just the main burner that you cannot get to keep going or is it both burners that go out all the time??
Selgas Services Ltd
Craftsman Gasfitters, Plumbers, Electrical Service Technicians -
The pilot light stays lit and the main burner has relit 2 times for a few minutes. I don’t know makes the diaphram open to let gas to the burner, but that seems to be my problem. Thank You for replying.
Michael
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Sure sounds to me like you have a problem with a faulty thermostat on this heater which for some reason is sticking and not allowing the valve that allows the gas to flow to open and close properly. I would suggest you look at the thermostat and it’s likely replacement to resolve your problem.
If the heater has a Robertshaw RT control valve then it is very likely that the poppet valve seat is sticking and you should get a suitably qualified serviceperson to attend to it freeing up ( which usually involved cleaning the valve seat and the guide ). 
Selgas Services Ltd
Craftsman Gasfitters, Plumbers, Electrical Service Technicians
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