Question about Desa International Kerosene Portable Forced-Air Heater

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I HAVE 6 DESA HEATERS, NCANT KEEP ANY RUNNING MORE THAN A DAY.NO FUEL PRESSURE, NO SPARK, TOO MUCH FUEL PRESSURE,ETC. IVE SPENT ALOT TO REPLACE PARTS ON THESE UNITS, EVEN THE ONE THAT IS ONLY 5-600 HRS OLD HAS PROBLEMS. IS THERE NOT A HEATER WITH LESS MAINTENANCE? JOE

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3 Suggested Answers

tbugger
  • 232 Answers

SOURCE: my DESA C100D kerosene heater quits after running a while. It may

Emery- there are 2 types of filters used in the spark plug heaters.. Most likely yours is a long cylindrical type which is hidden inside the pickup tube that drops into the tank. These filters tend to get gummed up with a black, tar type goo that restricts fuel flow & starves the flame. The other is a lawnmower type filter. Go to this page for pictures of both types of filter.

The filter is probably the problem. The flame goes out due to lack of fuel, then the photocell shuts the heater down due to lack of flame.

Don't rule out water in the fuel. Water will cause a flameout condition, also.

Posted on Dec 20, 2008

  • 4 Answers

SOURCE: Grade of fuel required for DESA heater

Dave you can use all three types that you have listed.

The pump is typically set for Number 2/ Diesel Fuel and if you run Kerosene the unit will run a little bit hotter but with a 3E359B you will typically run diesel due to the amount it will use and the increased cost of kerosene over diesel fuel.


Number 1 is similar to kerosene and is the fraction that boils off right after gasoline.
Number 2 is the diesel fuel that trucks and some cars run on, leading to the name "road diesel". It is the same thing as heating oil.

Posted on Feb 10, 2010

  • 1874 Answers

SOURCE: I have a Glo-Warm "DESA GWRP16" LP wall heater.

sound like the reg is locking up turn off gas then turn on very slow see if you get gas flow , if not then you could try new reg

Posted on Nov 30, 2010

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1 Answer

I have a master heater b150b 150,000 btu kerosene heater motor and fan blowing and i can see tho igniter lighting but it seems like no fuel been sitting awhile it will not light


jason2713,

Provided that you know the unit has sufficient fuel and there is no dirt or water in the fuel you have a classic All Pro, Reddy Heat, Master Heater, etc problem. They are all made by DESA International and similar in operation. They control fuel pressure by bleed air. As the air filter plugs up the pressure changes and that is why your unit runs with the top off. You allow more air to flow. You need to replace the air filter and set the pump pressure. I have a tip at

http://www.fixya.com/support/r4124129-yearly_maintenance_reddy_heaters

which is written for Reddy Heaters but as I said before they are all the same. It tells you how to complete the repair and where to get the parts.

Thanks for using FixYa and for the great rating.

hardrocko

Mar 03, 2011 | Reddy Heaters

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As soon as i plug it in. the fan starts to blow **** the flame does not turn on. and the unit shuts its self off automaticaly. I took the cover off of the unit.and then it would fire up. But i do not...


toddbrewer1,

This is a classic All Pro, Reddy Heat, Master Heater, etc problem. They are all made by DESA International and similar in operation. They control fuel pressure by bleed air. As the air filter plugs up the pressure changes and that is why your unit runs with the top off. You allow more air to flow. You need to replace the air filter and set the pump pressure. I have a tip at

http://www.fixya.com/support/r4124129-yearly_maintenance_reddy_heaters

which is written for Reddy Heaters but as I said before they are all the same. It tells you how to complete the repair and where to get the parts.

Thanks for using FixYa and for the great rating.

hardrocko

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1 Answer

I have a 165000 reddy heater.I have fuel going in,igniter is glowing ,fan is running but it will not ignite.


Now you may want to try to reposition your igniter closer to the fuel source. I have also widened the spark gap on the spark type igniters and had success. Then are you sure that the igniter is getting hot enough to ignite the fuel?

Dec 14, 2010 | Desa International (R165DT) Utility Heater

1 Answer

I have a 55000btu heater when I first fire it up it burns red and really clean but after 5-8 minutes the red center turns dark and the smell get bad


This must be a kerosene heater? With a spark plug? If you will reply with the model number I can tell for sure.

I will list some of rhe causes for the problem you describe.
  1. a restricted or worn nozzle (Desa recommended annual replacement). Replace nozzle.
  2. a loss of air pressure. Air pressure from the air pump is directly related to fuel delivery. Check the pump pressure.
  3. pump pressure loss due to an air leak around the plastic cover, a crack in the cover, a crack in the air line.
  4. fuel delivery loss due to a restricted fuel filter or a cracked vacuum line.
  5. a crack in the nozzle adapter.
Click for some more troubleshooting tips

Use some soapy water for leak finding.

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1 Answer

M where is the fuse located at? my heare will turn on, then it turns right back off. i took it apart and could not find it.


mikeleviner,

The problem you describe is a common problem with all these kinds of heaters. It involves the pump pressure and interaction with the air supply which changes as the filter gets restricted. The solution involves getting a new filter and setting the pump pressure. You could also have water in the fuel but all this is explained in my tip at http://www.fixya.com/support/r4124129-yearly_maintenance_reddy_heaters which also tells you where to get the parts.

Thanks for using FixYa and for the great rating and testimonial. Great ratings keep experts helping to solve problems. Thank you.

hardrocko

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1 Answer

I have a 2E511C heater that wont fire up but the spark plug is firing


You probably already know this . The 2E511C was manufactured by DESA for Grainger, so you must follow these Reddy Heater troubleshooting tips.

It sounds like the heater is not getting fuel or the fuel is not hitting the spark and you must troubleshoot and find out why.

Contact me for a Dayton to DESA parts cross reference chart.

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Can not get the pilot light lit again


It could be the electrode or the ODS pilot assy. that you need to replace. It really depends on the type of you unit you have. If its made by Desa( Comfort Glow, Vangaurd, etc) or ProCom check out Master Parts, they carry these parts. 800.446.1446 or www.masterparts.net. I hope this helps you!

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DESA space heater 30000 BTR nospark or fuel motor runs o.k.


You may need to replace ignitor oor spark plug. It also could be a defective transformer or circuit board. The manufacturer has technical support sevice manuals listed on there site that are very helpful. Go to www.desatech.com. I hope this helps you!

Jan 10, 2010 | Desa International R40 Utility Heater

1 Answer

My DESA C100D kerosene heater quits after running a while. It may


Emery- there are 2 types of filters used in the spark plug heaters.. Most likely yours is a long cylindrical type which is hidden inside the pickup tube that drops into the tank. These filters tend to get gummed up with a black, tar type goo that restricts fuel flow & starves the flame. The other is a lawnmower type filter. Go to this page for pictures of both types of filter.

The filter is probably the problem. The flame goes out due to lack of fuel, then the photocell shuts the heater down due to lack of flame.

Don't rule out water in the fuel. Water will cause a flameout condition, also.

Dec 20, 2008 | Desa International Kerosene Portable...

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