Question about Master Heaters Master B115DT 115,000BTU Fan Forced Air Heater with Thermostat

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UNUSEABLE HEATER HEATER IS SPRAYING FUEL, IGNITER COMES ON BUT WON'T STAY ON LONG ENOUGH TO LITE THE FUEL, THEN IT SHUTS DOWN, NO MATTER WHAT POSITION THE THERMOSTAT IS IN, I HAVE CLEANED LINE OUT GOING TO FUEL NOZZLE, & HAVE TRIED ADJUSTING FUEL MIXTURE SCREWS .

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  • Jeremy Reddick
    Jeremy Reddick May 11, 2010

    Have you tried adjusting your thermacouple?



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This might help, check behind the ignitor for the sensor eye if it is dirty the ignitor will shut off, the set screws are very sensitive be sure they are set properly ( not to much fuel or air )

Posted on Feb 07, 2009

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I have reddy pro 170 i plug it in , the fan & igniter comes on for 10 to 15 seconds then shuts off ,blew through fuel line and nozzle still same result, i do see fuel mist coming out nozzle ,i dont k


You must make sure the mist is not to close to the igniter . If it is it wont be misty enough to ignite. And make sure its in the path of the mist. If its new return it to the store.

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Have 2 heaters 1st heater will not light, has gas


sometimes you need to hold down the button for 5 to 10 seconds while the heater heats up,, as soon as it gets to temperature then it should stay on with no problem.
as far as the one that is not lighting -- all I can thing of is that the igniter is not close enough to the fuel exit area ( ? ),, with the power off - ( un-plugged ) look inside as you press the igniter and see if you can see the spark arch. -- also, if this is a new heater there is a chance that there might be something wrong with the regulator and it is either getting to much or not enough gas.

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I have a Dyna Glo-pro multi fuel heater. When I turn it on the ingitor starts working and than the fan comes on for a few seconds. Then the system shuts down because it willnot ignite. The tank is full and...


Since it does not ignite, Please check the ignition transformer. This have a secondary voltage of about 20,000 to 25,000 volts, enough to make your igniter
spark, thus, causing the atomized fuel to ignite and burn the fuel. So, please include igniter high voltage cable for ground leak. Ground leak is visible as line sparks when your heater is switched on. If your ignition transformer does not produce sparks at the
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Have it done to make it work. Hope this will help you.

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Reddy Heater won't stay running


Dear travelinman4, 02-21-2009 18:24 EST (USA)

Re: Reddy Heater "Won't Stay Running"
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Old Fuel? Added a Can of Fuel Booster? Used Starter Fluid?
Spark Plug or Igniter?
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jack
c132367.jpg

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Igniter lites up fan kicks on and within 5 sec shuts off


Dustin, The ignitor only glows for 5 seconds, just long enough to ignite the fuel. The heater is shutting down because the photocell does not see the correct flame color.
Since you say "comes on for 5 seconds", I can only assume that there is a flame. You do not specify a lack of flame. I am also assuming that you have had the heater running this heater season and the problem just started.

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1 Answer

Runs for 15 secc.'s to 1 Min. Then Shuts off...


Steve- You've got to understandhow it's supposed to work before you can fix it.!
  1. The ignitor only glows for 5 seconds. Just long enough to start combustion.
  2. The photocell monitors the flame color. If it doesn't like the color of the flame (or no flame at all), then it shuts the heater down. Does this sound like what may be happening?
You must troubleshoot the system and decide whether you are having a fuel delivery/mixture problem or an electronics problem.

Read these troubleshooting tips.

Good luck.

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