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    camper5150's Avatar
    camper5150 Posts: 1, Reputation: 1
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    #1

    Jan 13, 2010, 07:42 AM
    Why does my fan on my heating system keep cycling on and off
    I have a reznor heating system and the fan is going off and on every 30 sec. . IT is destracting to the teacher. Thank you!
    wmproop's Avatar
    wmproop Posts: 3,749, Reputation: 91
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    #2

    Jan 13, 2010, 09:36 AM
    Might start by cleaning the flame senser if it has one,, you didn`t say if heating system was electric or gas or oil.
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