Procom QL300TYLA Heater Logo
Posted on Oct 07, 2007
Answered by a Fixya Expert

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Just turns off?

We recently bought a home, and it has a procom heater in it. However, when we try to start it, it will run for a while and then just turn off. It isn't the ODS in operation, as we have always had plenty of fresh air in the house, even going as far as to open windows and doors when running the heater. What is the problem?

  • 1 more comment 
  • duke2525 Dec 31, 2007

    I'm having the same problem. Installed heater to LP line per instructions, worked fine first day, now will run for awhile then shut down. Also noted that sometimes when main flame lights, pilot will go out, then main flame will extinguish shortly after. I live in NM at 6700 ft. elevation, wasn't sure if oxygen sensor was causing problem.

  • supergrrl23 Apr 21, 2008

    hi. my heater has worked fine for several years but lately it's been shutting off randomly when i turn it on -- and it's getting to be more frequent.
    just wondering if there is something simple i can do on my own at this point or if it's a larger issue and i need to call someone to come and service it.
    thanks.

  • jaffe325 Nov 07, 2008

    Yes, this is our problem. The heater worked great for two years, then last year never seemed to stay on. We had other sources of heat and life was complicated, so we ignored this problem. However, now that it has become cold, and we would like this little heater to do it's job. It shuts down shortly after turning on. The pilot light will stay on as long as the heater does not ignite. After ignition, the heater simply blows out. I was told that it might be an oxygen sensor. I'm hesitant to call a plumber because I'm sure the charge will be more than the cost of the heater. This is a great little heater and I would really like to get it working again. Please Help!!

    Ellen


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  • Master 1,420 Answers
  • Posted on Oct 08, 2007
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From my memory, this is an unvented model. The ODS could be bad and turning off the unit or you could be experiencing a bad thermocouple. If there is any way to temporarly bypass the ODS, I would try this first. Do not run this unit unattended. If the unit stays on when the ODS is bypassed, you found your problem. If not, change out the thermocouple. It is a small diameter copper probe that goes from the gas valve up to the pilot light. Good Luck.

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