Question about Procom MN100HPA Heater

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Pilot light wont stay lit once heater shuts off/ light goes off randomly

Heater is a mn300tpa less than a year old. pilot seems noisy like it has too much pressure. is ther a internal reg. once the thermostat turns heater off then after a while the pilot light will go out.

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  • Anonymous Jan 21, 2008

    I have an MN180tpa and I was having the same problem. I took it apart and hit the pilot outlet with air, a little white cloud came out and it works like new

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  • 41 Answers

Hi Watertec00,

I am not familiar with this heater but it sounds like it could be a blockage in the main gas line into the heater or perhaps a blockage to the pilot gas line and maybe starving for gas. Best bet first is to check the main gas line from the heater. Easiest way to do this is to remove it from the heater and blow it through with compressed air. Then try the heater again. If that doesn't fix the problem then you can try blowing compressed air down through the pilot line. Could be a little dirt creating a blockage there. Then try the heater again. If it still does the same thing then try removing the panels to expose the heater's piping. If you can remove the main pipe into the heater from the gas and blow compressed air through it it should clear any obstruction from both the main line and the pilot. If this doesn't work then I would think you have a more severe problem and will need to take it to your local Heater Repairer. Hope this helps.

Regards
Bryan

Posted on Dec 22, 2007

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