Question about Heating & Cooling
Our 7 year old Vermont casting propane hearth has taken to popping when it goes off. The thermostat goes off ,the the flame dissapears and about 2 seconds later a "Flame Pop" occurs and at an increasingly loud rate and now pops out the pilot as well.
Not sure I can help but will try. Sounds like you have a blockage in the pipe or jet and when it heats up it is choking. Best way to clean Propane and/or Gas heaters is to blow compressed air through the pipe. You may be able to just blow the air down the pilot light and main jet and it could fix the problem and clear the jet.
If not you will need to pull off the covers to expose the piping and look for the pipe going to the jet or pilot and if you can undo the pipe and blow compressed air through it. You may find a bit of dirt or carbon is causing the blockage. If you undo any pipes make sure you tighten them back up. Hope this solves your problem.
Posted on Mar 11, 2008
make sure you have the gas valve knob on turned to pilot while pressing that down while pushing the spark it should light or it is tripped on a safety like rollout switch or oxygen depletion sensor if equipped which all ventless heaters are
Posted on May 12, 2009
i vacuumed the line out, i taped the angle adapterso there was only a little bit showing and stuck it on the pilot hole for 3 minutes (I turned the gas off) and it fixed it
Posted on Jan 21, 2010
sounds like either a bad thermocouple or more likely a pressure regulator problem. should have unit checked by someone familiar with propane systems.
Posted on Jan 22, 2010
Is there a frost line on your LP tank, if so you may need to replace the tank with a larger tank or refill your tank. This can happen if the tank your using is too low or too small (use 100 lb tank or greater). If there is no frost line it may be an issue with the thermocouple. The manufacturer offers a service manual and owner's manuals on there site. This should assist you... www.desatech.com Thank you
Posted on Jan 28, 2010
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