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post #10 of Old 11-26-2012
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Re: Diesel Fireplace

It's hard to tell from you pics, but it looks like there is some sort of thermocouple unit wired into the valve assembly. Its function is to stop the fuel from flowing if the flame goes out for some reason. If it does have a thermocouple, the symptoms you describe sound like that is you problem. The thermocouple has to be hot for the valve to stay open. Your priming button over-rides the thermocouple interlock and lets enough fuel into the combustion chamber to get things going. Once it's hot the interlock should let the fuel flow at whatever rate the meter is set. But, if the thermocouple is bad, once you stop pushing the button the valve closes and that's that. If it still won't work even if the thermocouple tip is good and hot then you can change the thermocouple you'll probably be golden. Finding the right thermocouple might be a problem, however.

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