Question about Reddy R155D Utility Heater

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R165at reddy heater

Heater will only run with the upper cover off. put the cover on an it runs a bit an shuts off

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I had the same problem with a 110. It was the plactic cover over the filter it had cracks in it and would not push out enough fuel for it to run with the cover on. It would just blow out the flame. I replaced the cover with the adjustment screws on it and filters and runs like a champ.

Posted on Jan 25, 2008


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Will run with top cover off, when you put the top cover on the heater shuts off

This must be the night for Reddy heaters!

Here is my research for some other fellows with their Reddy's-- Let me kow if it helps -- or if you need something more hepful--

Reddy Heater - Troubleshooting Torpedo Heaters

If you brought the heater to our shop, and gave the above description, the first thing that we would do is check the air pump pressure.

Then, if the pressure is correct (not just close) we would check the photocell for signs of insect nest or something similar blocking the view of the eye.

You must troubleshoot to find out if the problem is fuel related or electronics related- maybe these tips will help (click for link).

Mack B

Jan 27, 2011 | Reddy Heater-30-55,000 BTU Variable

2 Answers

Heater does not fire or run while top cover is on. take it off it runs perfect try to put the cover on while running it shuts off.

The air pump pressure could be off a little causing incorrect fuel delivery. Follow this link for instructions.


The nozzle could be worn to a point where a spray is being produced rather than a fog. By removing the top lid you are changing the aerodynamics and the safety system likes the color of the flame (falsely). Replace the nozzle. Follow this link.

Nov 05, 2010 | Reddy Heater-170,000 BTU Kerosene Deluxe

1 Answer

Reddy heater

Sounds like you need to adjust the airflow so that it is getting enough air to burn.

Jan 10, 2010 | Reddy Heater-170,000 BTU Kerosene Deluxe

1 Answer

Reddy Heater won't stay running

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

Re: Reddy Heater "Won't Stay Running"
Model R150A

Old Fuel? Added a Can of Fuel Booster? Used Starter Fluid?
Spark Plug or Igniter?
Gas, Propane, or Kerosene?


Feb 21, 2009 | Reddy Heater-170,000 BTU Kerosene Deluxe

1 Answer

My reddy heater will run for a minute and then quit ?

Checkfor an air leak somewhere in the system. Just the slightest little bit will cause this kind of problem. Possibly a loose fitting air line, or a crack in the burner head- Doesnt take much of a leak. Best way is to use soapy water and just look fr the bubbles. Watch out for the fan blades!!!!!!!!

Jan 17, 2009 | Reddy HEATER R115 115,000-BTU PORTABLE...

1 Answer


in order for the unit to fire up, the little air compressor on the rear of the fan needs to provide 3.6 lbs of air. if your nozzle is clogged it won't fire. for more troubleshooting tips try www dot desatech dot com. this is a site for reddy heat products and parts.

Dec 03, 2007 | Reddy R155D Utility Heater

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