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Barry t
Re: Rheem 90 Plus Problems

I have a rheem 90plus propane furnace that is constantly recycling, by that I mean it will fire up and run for a few minutes but then flame goes out and fan continues to run for a couple of minutes and maybe quit for a short time then the burner kicks on again and it repeats.. When the flame is on the three lights in window are on. When the flame goes out the top yellow light goes off and the second green light flashes twice then pauses. This says a pressure switch problem but I did all of the suggested things to the switch as mentioned from other posts. It is 30 below with wind chill now but house is ok in temp since it is constantly cycling. Any suggestions???
Barry t

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