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Problem: Propane furnace not working when temperature got down below freezing. Had this problem for 6 years

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Problem: Propane furnace not working when the temperature got down below freezing. Had this problem for 6 years. Two heating companies and a Propane company could not figure the problem out.

Problem & Solution: Propane furnace not working when the temperature got down below freezing. Had this problem for 6 years. Two heating companies and a Propane company could not figure the problem out. Mr. Misner writes: “The problem was that my propane furnace would quit working and by the time the serviceman arrived it was working again and since no one could find the problem I depended on my fireplace insert for most of my heat. I live in Southwest Missouri and for the most part, our winters are fairly mild. With temps during the day normally above freezing and dropping below at night. Then this last time I was checking the furnace (10-13-2009). I noticed that there was no LPG odor so I went online and came across this website: www.propane101.com. This problem was not only overlooked by a house inspector when I purchased my house but by two furnace repairmen and two different propane companies. I bought a used propane tank last year and the propane company who installed it missed this. I had a two-stage LPG regulator system (one regulator on the tank and the other one on my outside furnace). The second stage regulator was not installed properly. It was installed horizontally with the vent facing slightly up (on the regulator it says if installed with no cover the vent is to face down). When it would get below freezing the moisture in the regulator would freeze the regulator shut and not allow propane through. I understand that it can also freeze open. I thank God that the regulator did not freeze open (cause and explosion) and I thank you for listening to God’s calling. I hope you will add the web-site: www.propane101.com to your web-page and inform people of the proper installations of regulators. By the way, my tank is 35 feet from my house and my furnace is the only thing that uses propane so I changed to the integral twin stage system, and last night it was just below freezing and it worked. THANK YOU!” Thank you, Mr. Misner! Your information is very valuable for the safety of other people that use propane gas!

 

4 thoughts on “Problem: Propane furnace not working when temperature got down below freezing. Had this problem for 6 years

  1. Ho. Our propane furnace doesn’t ignite when its -20 Celsius or colder. The thermostat says ‘heat on’ but the furnace isn’t running. Woke up to 43degrees I side the house. So turned the thermostat off, then turned it back to ‘heat’ and furnace fired up. But woke up 30 mins later and the same thing happened. This went on all nite until approx 8:00am, then furnace seemed to start working properly. The temp at 8:00am had warmed to -12celsius. Can anyone tell me what’s happening?

    1. Hi Tiffany! So sorry to hear that your furnace is going out with the temperature that cold outside! I really do not know what your problem could be because I am not familiar that much with Propane furnaces. You might have moisture in your propane supply line and it might be freezing up when it gets really cold outside. You could have a propane gas pressure problem. The regulator might the problem when it gets really cold outside. I would like to suggest that you call your propane supply company and tell them your problem and see if they have a solution. I am sorry that I can not give you any advice. Steve

  2. had the same problem between 3am and 7am my furnace stop working below 20 i just found out propane dose freeze when the temperature goes up it work find

    1. Glad you were able to find the problem and hopefully get it fixed! Thanks for sharing your experience. Steve

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