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Procom MN100HPA Heater pilot goes out - Heating & Cooling

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Replace the thermocouple, as it erodes away from the pilot flame over time.

Posted on Mar 05, 2009

  • Anonymous Jan 27, 2018

    Worked for me! Thanks...



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Pilot light keeps blowing out. When I do get it working it only works for a little while and the pilot light goes out again. It seems like there is to much presure. I have regular 5 gal propane bottle...

dmartin - Unless there is a strong draft, pilots don't normally don't blow out.

What you described, sounds more like the interior of the heater needs a thorough cleaning. Especially, the pilot assembly and the Oxygen Depletion Sensor (ODS), which is part of the pilot. Also, the placement of the gas grill tank you're using to fuel the heater, may also being playing a role in it, too.
How far away is the tank from the heater and what size gas line is running from the tank to the heater and was it professionally installed? If you live in a high altitude are (above 2000 feet) this may also, be causing the problem.

I have included a link, which demonstrates the proper way to clean a pilot assembly and the ODS sensor. This should be a big help to you.

Please let me know about my questions above and I can provide you with more information on further troubleshooting the problem.

Jun 03, 2011 | Procom MN100HPA Heater

1 Answer

When the blower comes on, the heat (pilot and all) goes off.

you have a cracked heat exchanger it will need to be replaced

Dec 16, 2010 | Procom MN100HPA Heater

1 Answer

I have a ProCom ML150HPA for propane and would like to use a 20lb bottle the manual states that at least a 100 lb tank is required. With the 20 lb the pilot lights but will not stay liit without the...

The reason for a larger tank is so the LPG can vapourise enough to supply the heater using a smaller bottle it may freeze and not produce enogh gas

Dec 13, 2010 | Procom MN100HPA Heater

2 Answers

The pilot light won't stay lit.

all the solutions quoted have nothing to do with my problem.
if any of them applied, it wouldn't be a problem with 2 new heaters, as well as the 3 year old heater.
the flame of the pilot jumps away from the orifice after varying periods of time.

Oct 30, 2010 | Procom MN100HPA Heater

1 Answer

I have a older chimney vented propane Empire space heater. Will light and work for about 15 minutes, then a 'click' from rear ductwork area and heater goes out (pilot too). Restarts OK and repeats. Is...

there is an overheat switch attached to the draft inducer box where the vent attaches to the heater. It could be getting weak. If you can jump it to test, you may be able to replace it with a universal thermodisc if you can find out at what temperature is opens. Once you figure that out, go to and view their selection of bi-metal switches.

Jan 29, 2010 | Procom MN100HPA Heater

1 Answer

My pilot light keeps going out, will light right back, but what do I need to do?

Hi clean pilot out and replace thermocouple pilot should stay on

Jan 26, 2010 | Procom MN100HPA Heater

1 Answer

Heater parts

You can contact Master Parts at 800-446-1446. They are the parts distributor for ProCom. I hope this helps you...

Jan 05, 2010 | Procom MN100HPA Heater

1 Answer

Pilotlight won't stay lit.

It should like you may need to replace the ODS Pilot. This comes with the thermocouple, orifice, electrode, and the bracket that holds them altogether. If you need this part you can purchase it by calling 800-446-1446. Master parts is the part distributor for ProCom units. Thank you

Dec 09, 2008 | Procom MN100HPA Heater

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