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View Full Version : Coleman furnace 80% efishence


brandyscott
Mar 4, 2008, 04:45 AM
The glow wand turns on and then the three burners ignite and burns for less than 60 sec and the cycle runs again and again. Is this normal cycles for this type of furnace.

NorthernHeat
Mar 4, 2008, 05:57 AM
Sounds like a dirty flame sensor.