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I have a Rheem Criterion gas furnace (model #RGDG125ARJR) with a working pilot light and fans, but the 5 heating elements won't fire up. What should I check?

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6ya6ya
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Posted on Jan 02, 2017

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james3751
  • 614 Answers

SOURCE: I have a Rheem gas furnace that shuts off

POssible feed back thru tstat. This sometimes happens. Take a look at tstat disconnect w or white wire that goes to heater. Turn from heat to cool and abck and see if it does it again if not change tstat. You can get a good one at Home depot or Lowes about 20.00 easy to install Keep in touch Rus

Posted on Nov 25, 2009

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Therinnaiguy
  • 1420 Answers

SOURCE: Have a rheem criterion II. Model

The way it lights is that the gas is spread from one burner to the next by either a flame tray or small holes drilled in the burner tubes. If the flame does not get all the way across the burner tubes within a few seconds, the unit goes out on failure. Clean and inspect each burner tube, not just the orifice. Clean any tray that connects the burners. You can use a small wire brush or tooth brush but be careful near the glow igniter as it is very fragile.

Posted on Dec 12, 2009

  • 39 Answers

SOURCE: I have a Rheem Criterion II Gas Furnace that has

Turn off the power to furnace.
on the last burner to light there is a small metal rod in front of the burner. This is a safety called the flame sensor. It is dirty. Unscrew it from the bar ( 1 Screw) unplug the connector wire from it and clean it with steel wool. it will be kind of burnt. Plut back in place and turn on the furnace to cycle.

Posted on Apr 04, 2010

mxc2
  • 146 Answers

SOURCE: How do I get the covers back on my Rheem Criterion

Here is the manual for the furnace.

Make sure you do not have the panels mixed up..just saying it can happen.

Posted on Oct 24, 2011

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1 Answer

Furnace burners won't ignite


Assuming this is a gas furnace, when the thermostat calls for heat the pilot heats an igniter to produce voltage that opens the burner gas valve. In your furnace, the igniter may have failed and the burner can't fire up

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I have a Rheem Criterion Furnace that won't stay on! Starts and stops 3 times then shuts off!


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Pilot light won't ignite


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1 Answer

How do you lite the pilot lite on a Rheem Gas Furnace Model #rgma-125a


If I recall correctly, model number Rheem furnace you listed has electronic ignition to light the pilot, when the home's thermostat calls for heat. Is this what you're having a problem with?

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1 Answer

Rheem furnace problem wont stay lit


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1 Answer

Rheem Model RGPS-12EARJR just purchased in Sept and now the furnace won't turn on. Can't find if there is a pilot light I should be starting, but even the fan doesn't go on - with or without heat


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1 Answer

I have a Rheem Criterion II Gas Furnace that has been acting up the last couple of days. It is model #RGPH-12EARJR. It will cycle on, ignite the pilot, 4 burners light and stay lit from 5-10 seconds then...


Turn off the power to furnace.
on the last burner to light there is a small metal rod in front of the burner. This is a safety called the flame sensor. It is dirty. Unscrew it from the bar ( 1 Screw) unplug the connector wire from it and clean it with steel wool. it will be kind of burnt. Plut back in place and turn on the furnace to cycle.

Apr 04, 2010 | Heating & Cooling

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