Question about Reddy Heater-30-55,000 BTU Variable

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Reddy heater 55,000 BTU will not ignite

The fan works and the spark plug is producing a spark. Tank has fresh fuel. It starts off as if it was going to ignite, and just doesn't

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  • lee crabtree Nov 13, 2008

    gas not coming out of reg.

  • Earl P Feb 04, 2009

    Pump Pressure for a R50B 55,000BTU is 3.6 psi. If low pressure, remove plastic cover, filters, pump housing. Check to make sure pump vains a not worn out. Check rubber lines for cracks, check fuel fitler. Also the plug height to nozzle tip is very important. Plug should not be wetted by kerosene and gap should be betwee .50 and .60 ths. Plug should also be at a 15 degree angle from fuel tip. Fuel needs to be atomized and not a spray. Spray will cause non-ignition problem.

  • Anonymous Mar 15, 2014

    spark plug is not turning red

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Most likely the air pump. You should have about 5 pounds of air pressure at the output of the pump. Parts are available for pump repiar.

Posted on Oct 28, 2008

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

Posted on Jan 31, 2008

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Reddy Heater kerosene 110,000 btu . plup it in, fan runs, blows smoke out the front, leaks kerosene also from front, i have cleaned photo cell, replaced plug, cleaned filter and checked lines for cracks,...


Just because there is fuel & spark does not necessarily mean there will be combustion. The fuel must be delivered at the correct pressure, the correct volume, and must be delivered as a fog- not a mist.

My suggestions:
  1. set the pump pressure
  2. be sure the fuel filter is clean
  3. be sure no air leaks or vacuum leaks
  4. Desa recommended annual replacement of the nozzle. They wear out. When was the last time yours was changed?
More troubleshooting tips

Oct 20, 2011 | Reddy Heater-30-55,000 BTU Variable

1 Answer

I Have an old M30 REDDY HEATER, It won't start, Good Spark, Good Fan, Clean fuel, Pump has some pressure- I have no-idea on how much is needed, Not sure about the in-out of fuel lines to the Main Jet...


Depending on how old your heater is, you may bay be able to download the Owners Manual from the Reddy Heater Home Page website. Reddy Heater was made by DESA International (now out of business). Another company bought the Reddy Heater part of the business, so they are still being manufactured.

Feb 02, 2011 | Reddy Heater-30-55,000 BTU Variable

1 Answer

Runs than shuts off after a few seconds


Is this a propane or kerosene heater? If it is kerosene, check your fuel, clean your tank and start with fresh fuel. Check your fuel filter/air filters at the back of air pump. Make sure your ignition system is working.

Dec 01, 2010 | Reddy Heater-30-55,000 BTU Variable

1 Answer

When filled with kerosene then plugged in, the heater will kick on for about 3 seconds and the fan will run but it will not ignite, then it shuts off. reddy heater 55, 55000btu. runs on K1 or fuel oil.


REDDY HEATER 40 KEROSENE FIRES UP FOR A FEW SECONDS AND QUITS WITH A WHITE CLOUD OF SMOKE COMING OUT THE END
MY REDDY HEATER 35 KEROSENE RAN OUT OF FUEL AND WILL NOT RUN AT ALL WHEN PLUGGED IN

Jan 11, 2010 | Reddy Heater-30-55,000 BTU Variable

1 Answer

Won't fire, gets plenty of spark. using fresh fuel


seperate the tank from burner and make sure that the fuel line and metering device is clear from debris

Nov 26, 2009 | Reddy Heater-30-55,000 BTU Variable

1 Answer

Reddy heater starts but does not ignite. hasn't been used for 5-6 years


You may need a new spark plug or ogniter depending on when it was build.Also check the fuel line prom the pump for leak.If none of these check the fuel filter in the tank.

Oct 26, 2009 | Reddy Heater-30-55,000 BTU Variable

1 Answer

Ignition


This is a "probably". The reset button trips because the photocell fails to see a flame in the combustion chamber. That's its job.
Check the ignition device ( transformer, coil). See if 110v going in. If there is no spark coming out, replace it.
Troubleshooting tips

Jan 10, 2009 | Reddy Heater-30-55,000 BTU Variable

3 Answers

Won't fire up


Silvercliff- since you use the word “plug” I am assuming that you have a spark plug type heater, not the new technology HSI type (hot surface ignitor) that uses a glowbar and an onboard computer.

Reddy heaters are simple to troubleshoot, but you must understand how the system operates.

Since you state that the heater produces a fog at startup indicates that you are getting “some” fuel.

Obviously, the fuel is not igniting.

Now, you must determine if there is any spark. Is a good spark arcing across the electrodes on the plug? If not, is spark being produced by the Ignition Control unit (aka spark box, transformer) ? If not, is the Safety control (reset) sending electricity to the Ignition Control unit?

If there is a good strong spark at the plug, then you are having a fuel delivery problem, even though there is “some fuel”. Understand that the amount of fuel being delivered to the nozzle is DIRECTLY related to the air pump pressure. If the air pump pressure is not correct, then the fuel delivery is not correct. Setting the pump pressure is not difficult. Pump pressure is CRITICAL. Instructions for setting the air pump pressure can be found at www.reddyparts.com .

If the air pump pressure is correct, then check the following:
  1. Cracked air line preventing correct pressure at the nozzle.
  2. Cracked nozzle adapter preventing the fuel from being SUCKED from the tank.
  3. Clogged fuel filter.
  4. Restricted or worn nozzle. The fact that your heater is a spark plug type heater indicates that it has some age on it. DESA recommends annual replacement of the nozzle. Are you using the original nozzle? Worn nozzles produce a SPRAY. New nozzles produce a FOG. The nozzle produces a cone shaped fog. If the cone is missing (not hitting) the spark, for some reason, then there will be no ignition.
  5. Finally, and don’t laugh, is your fuel 100% kerosene or diesel? Water sinks to the bottom of the tank. The heater draws fuel from the bottom. If there is an inch of water on the bottom…….., well, water will not ignite.

I hope this helps.

Aug 28, 2008 | Reddy Heater-30-55,000 BTU Variable

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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