Question about Desa International RH125AT Utility Heater

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REDDY HEATER 125T WON'T INGNITE

I HAVE A REDDY HEATER MODEL 125T THAT WON'T IGNITE. THE IGNITOR WAS BAD AND THE FUSE WAS BLOWN, REPLACED BOTH WITH PROPER NEW PARTS. WHEN TURNED ON THE FAN RUNS AND IT SHOOTS FUEL FOR ABOUT 10 SECONDS AND THEN QUITS. ANYONE GOT ANY IDEAS FOR ME?

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  • Valk18267 Dec 28, 2008

    I have a Reddy Heater 125T. When I turn the unit on it sprays fuel and the fan runs for about 10 seconds and then the unit shuts down. It has the ignition type starter not a plug. I have turned the thermostat all the way up as it suggests when firing it up. If I turn the thermostat down it will not try to run. So I am guessing that means the thermostat is working. I bought the unit used yesterday from someone that bought it new and never used it. It is missing the paperwork and the front plastic handles. It had never had fuel in the tank when I bought it. It is multi-fuel capable and I put diesil in the tank. Any help would be appreciated.
    Thanks
    David


  • Anonymous Jan 22, 2009

    I have the same problem. The unit was working fine I was burning kerosine in it and then I switched it to diesel and it won't ignite

  • jlenz Mar 13, 2009

    Hello, I have been using my brother-in-laws 125T for a few weeks burning diesel. I filled it with kerosene and it worked a few cycles but it won't restart after it hits the temp the thermostat is set at. I shut the switch off to reset. It starts and runs for a little bit then shuts off. Even with the thermostat set at 5. Every time I restart it (toggle the switch on and off) the run time gets shorter. Anyone have a solution?

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  1. Does the ignitor glow for 5 seconds when the unit is started?
  2. What is the air pump pressure reading?
These are the starting points for troubleshooting a heater that has an ingntor.

Answer these questions and maybe someone can get you started.

Posted on Dec 16, 2008

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Fuel filter is clean and the nozzle is open but no fuel to it, where do I find the pump if that is the problem? when turn on the fan will start for a second and then it shuts down.

Posted on Feb 22, 2009

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Posted on Jan 02, 2017

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