Question about Desa International Reddy Heater R115DT Kerosene Portable Forced Air Heater 115,000 BTU per Hou

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Kerosene Portable Forced Air heater comes on, runs awhile

Desa International Reddy Heater R115DT Kerosene Portable Forced Air Heater comes on runs a little then shuts off. If I shut it off and it sits awhile it will come on again and shut off.

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  • rlhanks Feb 10, 2009

    I have a 60Kbtu unit that is doing the same thing. Mine has set for a couple of years so I thought that a sensor or thermocouple of sorts might be bad, but...

  • larrysloma1 Feb 10, 2009

    go to this link and adjust pressure at right pressure relief adkustment screw...turn right 1/2 turn for 2psi pressure..if no leaks the unit will run...skip the pressure relief valve..turn again if needed due to low pressure



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  • Master
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The unit should have a fuel & air filter. Check that both are clear. Inside the burner tube, there will be a photo-cell, if the lense is dirty it will shut the flame off. The photo-cell needs to see the flame. You can carefully and gently, clean the lens with a tissue, soft cloth, or Q-tip. Please let me know how its coming along.

Posted on Jun 08, 2009


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Kerosene Portable Forced Air heater comes on, runs awhile

Here is a link to your owner's manual... Look on page 8 and 10. It could be several things. It could only be a dirty fuel filter or the pump pressure may just need adjustment. If you need a part you can contact Master Parts at 800-466-1446 or you can find them on-line at I hope this helps!

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