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Furnace pressure switch operation
I have a Rheem Centurion II furnace which is short cycling, running for a few minutes but never getting near the setpoint temperature.
The pressure switch was replaced, but not with the same part, due to a previous problem with the switch sticking open. The new switch fixed that problem. Now the indicator is that the control board is flashing a code indicating, 'one hour lockout'. Not sure what could be causing this other than a intermittent flame sensor. Do you have any ideas for me Thanks so much, Don |
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