Question about Procom ML300TBA Heater

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Pilot goes out!!

I installed a ProCom ML300TBA propane heater in my greenhouse. I am using a 7gal tank W/ inline regulator(regulator does not say what pressures it is preset to opererate at) and a 12" hose to bring fuel to the heater. The pilot lights just fine and keeps burning properly intil I turn the dial clockwise to turn up he heat. At this point,instead of the main burner lighting,I hear a "click" and the pilot goes out. Any Ideas!!

PS: I looked for a manual on line, But could not find one or a company site for Procom.

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  • mart6428 Oct 27, 2008

    i have pro com 300 set up for natural gas and pilot light will not stay lit after the themostat cycles---plenty of ventilation but i did add blower unit made for this heater,

  • clayn0909 Nov 16, 2008

    I have a Pro-Com Blue flam heater, It work fine for about 5 mins and them the pilot light and the flam will all go off... It makes a clicking nose when it goes off it will will not stay on for no more them 4 - 5 mins at a time even when you first turn it on. Im not sure what the problem is??...........



    Thanks Clay

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My manual shows three possibilities:  1) Insufficient fresh air available for combustion, so ODS kicks off gas flow 2) Low gas line pressure (should be between 11 and 14") or 3) ODS/Pilot is partially clogged.  Toll free number for ProCom is 877-886-5989.

Posted on Dec 14, 2008

You must hold the knob down in the pilot lighting position for at least thirty seconds.

Posted on Aug 05, 2008

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I have the manual for this heater and it states that a minimum tank size of 100lbs (25gal) and at least 1/2" piping is required to deliver the proper volume of gas to this heater.

Posted on Feb 18, 2009

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Just a hunch, but most propane have left handed threads. Meaning they turn the opposite from everything else. Its possible you are turning the gas off by mistake.

Posted on Mar 09, 2008

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