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Question About American Standard Furnace add040c924f3
I have an american standard 80 single stage . It w...

I have an american standard 80 single stage . It was flashing 3 light replaced pressure switch with new one. Same problem 3 flashing light . Goes on and off no heat.

Asked by Anthony castillo on 12/15/2013 1  Answer

ManualsOnline posted an answer 10 years, 4 months ago

The ManualsOnline team has found the manual for this product! We hope it helps solve your problem. Get the Manual Here

Rewarder User posted an answer 10 years, 1 month ago

5 Check all the drain hoses and blow them out, that is the most common cause of a pressure switch to trip, also check all vent pipes to ensure there is no blockage in the vent pipes as this will cause that as well. Hope this helps.
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