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!
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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!
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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