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Monitor heater model 41 keeps turning off during cold spells (AK)

Monitor heater keeps turning off every now and then, no certain times. It is not set for any times in general just on run

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  • Nomi Thompson
    Nomi Thompson Jan 09, 2009

    I think that I solved the problem with an additive that was added. My monitor heater turned off when the temp went down to ( -30 below 0 ) I think that the oil was just thickening up. Otherwise it just clicked off. There was no amount of time before it quit, and I could see the flame. I will know if the heater is fixed by tonight. If it stay's running.

  • sstewart Jan 16, 2009

    I have a Monitor 41 that has recently been serviced. Can run for 3 days then shuts down. i put additive in outside fuel tank, but stll turned off 48 hours later. it is located in an office and goes off when no one is there. They come in to find Monitor off and freezing!!



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There is a white cap on the back of the heater on the intake if you face
the heater and look down behind it it will be on the left take it off when it gets to be -20 it is a air intake and keep from iceing up in the intake pipe

Posted on Jan 13, 2010

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Can you give us more info? How long does it run before quitting? Have you ever been close when it quits? Do you hear a thumping noise when it quits. Can you see the flame?

Tom Hawkins

Posted on Jan 07, 2009


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