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troubleshoot gas wall heater- thermostat? wire?
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Clean all connections to bright metal including the wires, clean thermocouple base in the gas valve and reseat it.
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troubleshoot gas wall heater- thermostat? wire?
Hi, I have a older (15+years) cozy direct vent gas wall heater with the original manual thermostat wall control (2 wire).
Last year, the gas valve was replaced after replacing multiple thermopiles ( pilot would go out).
Its been working fine until last week- the pilot stays on but the gas valve doesn't "open" unless I give the valve a little whack. then the gas valve will be responsive to the thermostat for a bit then non responsive after.
I tested the thermostat with a jumper cable- no response
I tested the TH TH/TP on the gas valve with a jumper cable- fired up and then right after tested the thermostat- it fired up.
Is the issue a faulty gas valve, faulty wire or thermostat?
I hope the issue isn't the gas valve it was expensive to replace.Tags: None
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