Question about Reddy R70ET Utility Heater

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How to measure the clearance on a Reddy Heater Rotor?

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Before testing check for lateral movement of the shaft which would indicate a bad bearing.

According to a doc from ReddyParts.com the pump body is adjustable by loosening the 2 adjustment screws. Slide the pump body down to meet the rotor, then raise the pump body so that there is .003 to .005 clearance. Then tighten the 2 screws. Manually spin the fan for a test.

We have always used a piece of heavy grocery sack for clearance.

Posted on Oct 06, 2010

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Posted on Jan 02, 2017

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Adjust reddy heater pump pressure it will not pump passed 2half psi i need it to go to 4half psi


To adjust the pump pressure on this type of heater, turn the threaded adjuster clockwise to increase the air pressure, but if the adjustment makes no difference, there maybe a loss of air pressure caused by a crack in the plastic filter end cover, the rubber seal at the end of the nozzle may be broken, gone hard, cracked or missing, there could be a crack in the burner head (where the nozzle screws in), leaking air supply pipe between the compressor and the burner head, the rotor and/or blades may be worn or damaged, or if contaminated with dirt,paint spray or oil, one or more blades may be stuck in the rotor If contaminated they will need to be replaced, but if doing so, remember to reset the clearance between the top of the rotor and the pump body, your manual will give you the correct clearance.

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I have a model RM200T heater I have replaced all filters, rotor assy., and nozzle assy. pressure is at 6lbs but I get flames out past the end of combustion chamber. How can I stop this problem?


In the back of the heater there should be a screw adjustment which takes a slotted screw driver try turning the screw I believe counter clockwise to lower the flame.

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I also have a reddy heater 115000 btu fan spins freely until I put the plate on the back of the motor back on. It then instantly tightens the fan so it won't spin. The black circle on the back of the...


Make sure the all the fins (4 of them) are in the right way. I think they are longer on one side than the other. You may need to remove the black rotor and make sure the plastic insert isn't broken and check for build up on the plate behind it and the plate that you have already removed. Do not loosen the metal ring around it unless you have some feeler guages to reset the gap between the ring and the black rotor.The only thing that holds the black rotor on the shaft is the plastic insert. There also isn't very much clearance between the black rotor and the plates that is sandwiched between so it doesn't take much build up on either surface to cause a problem. One more thing, do you have the foam input filter air installed. Without it, the compressor will **** in dust, dirt or what have you and that will cause buildup around the rotor. It will also cause the rotor to break if it gets tight enough.

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


If there is NO fuel then the pump rotor is probably broken. http://www.reddyparts.com/rotor%20replacement.htm


If there is SOME fuel then set the air pump pressure. http://www.reddyparts.com/pressure.htm

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,./.,

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Replacing rotor on Readdy Heater


Remove top shell. Remove cover. Remove filters. Remove filter base. Then it should pull out. Check clearance on new rotor .003/.004 checked with feeler gage. Reinstall in reverse order. Reset air pressure. Good luck.

Jan 15, 2008 | Reddy R70ET Utility Heater

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