My pilot light on my ventless propane gas logs will not stay lit after releasing the pilot button. Is this always the thermo coupler? Or could it be dirt or water in the gas line? I've been told that spiders are drawn to propane gas and build "nests" in the lines. Is this true? If so will blowing out the line with compressed air help to free up the line. Although I would think that if the pilot lights the line is clear.
I have never heard of spiders being drawn to propane gas lines. If you are getting gas to your pilot, then the line is most likely fine. The thermo coupler is most likely the culprit. If you hold the pilot on for more than a minute, and then it goes out when you release the button, the thermo coupler is not working.
Jeff
November 2010
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