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I have a Reddy 100,000 btu space heater model R100A. The fan will turn on and the spark plug is igniting, but it does not appear to be getting any fuel so it will not light.

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I have had this same problem it is proubably the rotor needs replacing

Posted on Jan 04, 2012

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You need to check the nozzle for clogs and also check the fuel filter. Let me know what you find and I will tell you some other things to check.

Posted on Dec 30, 2010

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Reddy heater r100a unit comes on app 1 min then turns off tripping reset button


Hi,


Here are a couple of tips that I wrote that tell you how to troubleshoot a Torpedo or Reddy heater...

Reddy Heater - Troubleshooting Torpedo Heaters





Torpedo Heater Pump Pressure Adjustment


heatman101


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Feb 02, 2011 | Reddy Heater-170,000 BTU Kerosene Deluxe

1 Answer

I have a reddy heater pro 100 and when I start it up the fan turns but it won"t ignite. any help would be apprciated


You should be able to both see and hear the spark when this unit starts.
If you do not have spark the first thing you want to do in to clean and check the grounds on the heater.

You also need to make sure you have a good ground connection between the botton on the heater and the main section of the heater.

The spark on this unit need a good ground to complete the series and give you the spark required to start the heater.

If after you check this you can still not get spark you may need to replace the DSI Spark Controller.

Thank you

www.desaparts.com

Jan 03, 2011 | Reddy HEATER RLP100 100,000-BTU PORTABLE...

1 Answer

Pops reset botton after a few min.


Clean any photocell eye this unit may have. If it continues, replace reset control.

Feb 15, 2010 | Reddy Heating & Cooling

1 Answer

150,000 BTU propane Reddy Heater shuts off after ignition


Is there a frost line on your LP tank, if so you may need to replace the tank with a larger tank or refill your tank. This can happen if the tank your using is too low or too small (use 100 lb tank or greater). If there is no frost line it may be an issue with the thermocouple. The manufacturer offers a service manual and owner's manuals on there site. This should assist you... www.desatech.com Thank you

Jan 28, 2010 | Reddy HEATER RLP100 100,000-BTU PORTABLE...

1 Answer

Reddy heater model r100a runs approxamitly 15 to 20 minutes then kicks out.fan seems to run fine and already replaced the spark plug.


generally if a heater with a spark plug will run for 10 minutes or longer then that’s an indication that the electronics are functioning properly, so for now, eliminate "any fuel delivery problems" before trouble shooting the electronics. The spark plug should spark for the duration of the run time. If the flame goes out the heater shuts down (just like its designed to do). Imagine the fumes & danger involved if the heater continued to pump raw fuel into a hot combustion chamber!

Some possibilities:
  1. the plastic end cover is cracked. When the room heats up the crack expands allowing the air pressure to fluctuate.
  2. the air pump pressure is not correct. (instructions at www.reddyparts.com )
  3. the fuel filter is restricted.
  4. the nozzle is restricted or worn.
  5. there is an air leak between the pump & the nozzle.
  6. water in the fuel. When a droplet passes through there is a momentary flameout condition which will cause the photocell to shut the unit down.
  7. The photocell is defective
Some more troubleshooting tips

Mar 10, 2009 | Reddy Heater-170,000 BTU Kerosene Deluxe

1 Answer

Won't light/stay on


It may be the spark plug (or the ignition module). On my Reddy Heater 50K BTU, there are six metal screws that join the top of torpedo tube to the bottom. Remove these,and the top of the tube casing. The spark plug should be in plain sight.

Turn the unit on and look for spark. If it's not firing, replace the plug. If it still doesn't fire, you may need to replace the ignition module (it's what is "connected to the spark plug via the fat ignition wire.")

Hope this helps,

Jan 06, 2009 | Dayton E50 Heater

1 Answer

I NEED NEW SPARK PLUG FOR A REDDY HEATER MODEL R100A


You can order it from here.
http://www.desatech.com/product.cgi?products=Construction%20Heaters

I would just pull it out and see if you can get at a local auto supply store first.

Good Luck

Dec 18, 2008 | Heating & Cooling

2 Answers

Reddy heater 55,000 BTU will not ignite


Ours did that too one year. Seems to me we changed the spark plug, it had spark but too weak I think.

Jan 31, 2008 | Reddy Heater-30-55,000 BTU Variable

1 Answer

Ready heater 100,000 btu won't fire up!!!!!!!


go to www dot desatech dot com. you should be able to find what you're looking for here.

Jan 13, 2008 | Reddy HEATER RLP100 100,000-BTU PORTABLE...

2 Answers

Please HELP


www dot desatech dot com is a parts distributor for reddy heat products. on their main page they have a short troubleshooting guide. the motor needs to provide 3.5 psi of air across the fuel nozzle to suck the fuel out of the reservoir. check your ignition source (spark plug, hot surface igniter) if the hot surface igniter is broken get a new one, if the spark plug don't spark, check the gap might be too big. see if the spark plug is grounded. poor grounds will cause intermittent sparking. check the high voltage wire for breaks in the insulation, might be shorting out to ground BEFORE the plug. gap should be 75 thousandths.

Dec 04, 2007 | Reddy Heater-30-55,000 BTU Variable

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