nordyne heater

Old 11-07-12, 08:13 PM
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nordyne heater

can anyone help .my heater wont fire the inducer runs but no fire .
lights blinking twice indicates pressure switch stuck open .
ive blown into the tubes and still had no fire i reversed hoses and it fires right up .i have been hearing rattling when it fires but now it fires smooth is
reversing the hoses gonna hurt my unit .or cause carbon monoxide problems ?
Old 11-07-12, 08:46 PM
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*** DO NOT *** bypass or modify the pressure switch. It is a critically important safety device and modifying it can produce carbon monoxide in large quantities or other problems which could cause fire, death or serious injury.

Does your furnace use plastic vent pipe or metal vent pipe?

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