Question about Reddy Heater-70,000 BTU Kerosene w/T'stat

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Sears forced air kero heater wont start, spitting fuel out front

My 60,000 btu forced air HSI technology heater. When i plug it in, the unit tries to start for about 5-10 seconds then shuts off. I wait a couple minutes then try again, same thing and also see some fuel coming out the end (like it is pumping fuel but not firing). If i repeat about 10 times it eventually fires up but then shoots flames out the end as it burns the excess fuel that has accumulated and smokes a lot for a few minutes or so then burns cleaner. I am running diesel fuel and it is about 25 degrees where it is being started. I was going to clean or replace all air filters, blow out fuel filter, re assemble then check fuel pressure. Would this be the right course of action? Should I also replace fuel nozzle?

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  • dksfresh Jan 27, 2009

    I got it resolved for now it seems. I adjusted the fuel pressure , then let the heater run until it burned all the diesel fuel in the tank. I then filled with fresh kerosene and now starts right up and seems to burn cleaner. Maybe the diesel was gelling up or had some condensation in it. Also I ordered a filter kit and when I receive it , will change these out. The ignitor seemed to be o k .

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Sounds like the ignitor is bad, mine would try to light and do the same thing. I noticed one night that it was arcing out the entire length of the wires to the plug. If you have a good spark then i would suggest a CAD flame sensor, very cheap.

Posted on Jan 22, 2009

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Kerosene Reddy Heater, fan comes on, but it won't ignite, it just blows kerosene out the front. There is no electricity getting to the plug. Please reply soon, I need it tomorrow!! Thanks


Your description does not leave much to go on, because you don’t state the model heater that you have. You see, there are 2 different technologies that come into play on portable kerosene heaters. First there is the older version spark plug type heater, and, second there is the newer computerized type with Hot Surface Ignitor (HSI) technology.

Since you state "There is no electricity getting to the plug", the KEYWORD here is PLUG. I am going to assume that you have a spark plug type heater. NOTICE: if your heater has HSI technology- disregard this post because it will not apply.

Causes for "no electricity to the plug":

  1. no electricity to the unit
  2. a defective Safety Control (reset)
  3. a defective photocell
  4. a defective Ignition Control (transformer)
  5. loss of ground to the Ignition Control

I am including a link to some troubleshooting tips for spark plug type heaters. These heaters are relatively simple, but, be careful. Stay away from the fan and take precautions from the obvious shock hazards. Troubleshoot each of the above until you find the problem.

Good luck!

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