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I have a rheem quite 80 and heater blower fan just buzzes but doesn't come on. My question is are there any safety switches that would keep this from coming on are is the fan just bad.

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  • 92 Answers

Check fan start winding or capacitor >>replace fan

Posted on Oct 18, 2013

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SOURCE: Williams Model 435FXR Serial GO222436 Forced air pilot keeps going out

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Posted on Jan 29, 2008

Therinnaiguy
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SOURCE: Rheem RHQA Heater:Blower works but no heat.

Is there a setting on the thermostat for Auto or Fan? If so, make sure it is in the Auto setting. You will have a contactor that turns on the elements and a relay for the fan. Follow the wiring diagram to see which relay energizes the fan then unplug it to see if the fan stops.

Posted on Nov 03, 2009

heatman101
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SOURCE: york diamond 80 heater does not fire up

Mostly likely the problem is in the pressure switch that tells the board that the blower started and it is okay to fire the burner. The pressure switch is usually a 2" or so round thing about 1" thick, it will have one or two tubes coming out of it that go to the blower or heat exchanger. Make sure that the tube is not cracked or that it has not come off at either end.
The pressure switch can be jumped out to check out if that is the problem, but you need to jump it out after the cycle has started and the switch needs to open after a cycle for the heater to refire again, so that fix would be very temporary. But it may tell you for sure what the problem is.

Posted on Nov 14, 2009

  • 1033 Answers

SOURCE: rheem super quite 80, two blinks, no water in

Hello, this code indicates a open pressure switch. Most common causes are weak inducer motor not creating enough pressure to close switch, blocked flue pipe, or the switch itself is defective.

Posted on Sep 26, 2011

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