My furnace comes on ,but it will not close the pressure switch, at that time red lite flashes twice, after 5 min l tapped the pressure and red lite comes on steady and furnace starts ok. Dose this automaticaly mean that the pressure switch is faulty ?

Asked by Frank Henley on 10/16/2010 0  Answer

ManualsOnline posted an answer 13 years, 12 months ago

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