Question about Reddy Heater-170,000 BTU Kerosene Deluxe

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Reddy heater 170T will not ignite fuel

I cleaned the fuel and air lines. I replaced the rotor and blades. I put new off road diesel fuel in it. I can see it spray fuel but it will not ignite the fuel. Serial # 015234420. Model number RD170T

Posted by ntroup21 on


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  • 181 Answers

What is your air pressure, very important. Air pressure should be between 4 to 6 pounds.

Posted on Oct 19, 2013


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Jerry Magee

  • 232 Answers

SOURCE: R155A Reddy Heater Help!

This is going to be a tough one. You have been thorough, done it right, and it damn sure ought to fire off every time!

There is something that is causing you a problem and don't think that because you put in new parts that you didn't get a bad part. It happens. Not often, but it does happen. I have rec'd nozzles from the factory that had the orifice installed sideways, so, I know it happens.

If the ignitor glows- (it only stays on for 5 seconds, then quits)
If the fuel fogs (not sprays)
If the fuel hits the glowing ignitor
Then it should fire off-- every time.

Now, if the photocell doesn't like what it sees, then the photocell will shut the heater down within 5 seconds, but it at least should have ignited. Right? Unless the photocell or the board are bad. Maybe.

Lift the top, and watch. What's happening. Are you having a fuel problem or an electronics problem? For instance- is the ignitor glowing every time at start up or only sometimes.

Let me know what you find.

Posted on Jan 15, 2009



  • 583 Answers

SOURCE: Reddy heater shuts off when shell is put on

check out the fuses getting blown out on the internal chip circuit board and also the overheating component on that same circuit boasd.the burnt component will look little bit extra blackish on its sides.

Posted on Mar 03, 2009


Joe Burdek

  • 348 Answers

SOURCE: I have a reddy heater 170T heater I need an

I just saw some on eBay. Put in reddy heater part in search. Hope they fit yours.

Posted on Oct 15, 2009


  • 540 Answers

SOURCE: Reddy Heater not firing

Take air preassure from an air hose to turn the fan blades to loosen everything up. Time for afull service, like change the vanes in the pump, 3- filters fuel--2 air.

Posted on Dec 18, 2009


  • 77 Answers

SOURCE: I have a Reddy Heater 170T, the pump only puts out

Might try holding yor finger over hole in pressure relief plug. If this helps try adjusting pressure.

Posted on Jan 24, 2010

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If...the air pump pressure is right, the ignitor glows, the fuel is hitting the ignitor, then the unit will have combustion......unless.....
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  2. there is a vacuum leak on the fuel line
  3. there is a leak at the nozzle adapter
  4. there is a restriction either in the nozzle or the fuel filter
  5. the nozzle is worn and is spraying fuel rather than fogging fuel

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