Question about Reddy Heater R70 Portable Forced Air Space Heater - 70,000 BTU

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Where is the fuel filter located on the R40 utilty heater?

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How to change or clean fuel filter on r40 reddy heater

Posted on Jan 14, 2013

  • Gene Wharton
    Gene Wharton Jan 14, 2013

    I just need to change or clean filter on r40



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R40 heater when plugged in, motor starts, ignitor glows red hot, and can see fuel being atomized out of nozzle, but does not fire up, and shuts down after approx,. 5 sec. run time

I want you to open the fuel cap up and tilt the heater towards you, and what you are looking for is water in the fuel. These types of heaters will build condensation in the fuel tanks while in storage. Drain your tank in to a clean five gallon bucket, fuel floats on top of the water. Now you can siphon off the fuel just be careful not to siphon to much. Also dry the tank inside as best you can before the fuel is put back in the tank. If this does not take care of the problem it could also be dirty fuel nozzle, use compressed air and blow thru the nozzle for a quick cleaning, make sure to clean the screen out that sits behind the nozzle.

Jan 04, 2011 | Desa International R40 Utility Heater

1 Answer

Keep getting E1 error code, where is the fuel pump located? where is the fuel filter located on my dyna glo deluxe multi feul 170000 btu heater

The fuel pump is directly behind the fan motor as the fan motor runs both. The fuel filter is under the electrical control panel on the side of the heater usually has four to six 5/16 head sheet metal screws that hold it on. Remove the screws and then the cover comes off and this is where you will find the fuel filter.

Dec 21, 2010 | Reddy Heater-170,000 BTU Kerosene Deluxe

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When turning on My dyna pro 6500 heater. The fan will kick on for about 10sec then it will shut down and the red light will blink. How do I fix it

I have several of these in my shop. When they act up it is usually carbon deposits blocking the fire eye. This is a sensor that detects flame, if no flame is present it shuts down the whole heater. Remove the upper cover of the heater and attempt to start it, watch for 1- spark from the ignition sorce 2-fuel being sprayed from the atomizing nozzle 3-ignition of fuel. No spark bad spark plug or ignitor, no smell of fuel or small cloud of fuel, bad fuel filter, no fuel, bad fuel line, bad or plugged nozzle. There are several things that cause this but these are the three most common problems I encounter.

Dec 10, 2010 | Desa International R40 Utility Heater

1 Answer

Heater will only work with top on. will not fire up with top on. when running with top off, will shut off when top is replaced

The fuel maybe contaminated,or you need some anti-gel additive to add to the fuel.Check the intake filter in the back,near the pump plate.

Jan 09, 2010 | Desa International Reddy Heater R40 40,000...

1 Answer

Burns your eyes while running

It appears that you need more combustion air and check intake filter

Dec 27, 2009 | Desa International Reddy Heater R40 40,000...

2 Answers

Reddy Heater R40 starts , then within a few seconds flames out with a big puff of smoke.

The R40 has an on board computer with a photocell that views the flame color. If the photocell does not like the color of the flame, then the heater shuts down....within 5 secs.
Your problem could be:
  1. the air pump pressure incorrect..
  2. defective electronics.
  3. restricted fuel supply.
  4. air leak in air line or fuel line
You must troubleshoot each of the above- starting with setting the pump pressure.


Nov 08, 2009 | Desa International R40 Utility Heater

1 Answer

I can't get my reddy heater to light. No fuel

If there is NO fuel then the pump rotor is probably broken.

If there is SOME fuel then set the air pump pressure.

Nov 02, 2009 | Desa International Reddy Heater R40 40,000...

1 Answer

No start i cant see ignitor get brite red dont seem like im getting fuel

If the ignitor isn't glowing it isn't a fuel problem. It may be a pressure switch or bad ignitor.

Oct 04, 2009 | Desa International Reddy Heater R40 40,000...

1 Answer

R70ct ready heater keeps shuting off

either you have debris in the fuel line or you need to clean the igniter

Feb 01, 2009 | Desa International R40 Utility Heater

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