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View Full Version : I have a rheem with electric ignition and the burner will quickly cycle on and off

shaners
Feb 23, 2011, 09:13 PM
T-Top
Feb 24, 2011, 07:55 PM
Depends on the model, but a dirty flame sensor will short cycle the furnace burnners 3 times and lock out the unit. If this is the case you will need to clean the flame sensor.