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sandeeAR's avatar
sandeeAR
Explorer
Feb 17, 2015

Furnace Help please! Going to 11 degrees tonight!

Looking for help on our furnace. Suddenly it only blows cold air. It worked perfect a few hours ago. It is an Atwood furnace. We have plenty of propane 3/4 of a tank. I checked the manual, no...
Dick_A's avatar
Dick_A
Explorer
Feb 17, 2015
If the cooktop is working the problem usually is the control board, igniter or the sail switch. The air stream from the blower swings the sail switch and allows propane to enter.

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