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How do I correctly order a new fan control board for my HVAC

I have an Armstron Air fan and furnnace that is 15 yrs old, 5yrs ago I added AC with the pump residing outside. I turned the AC on the other day only to find out that I had a problem. Nothing happened when I fliped the unit on. Not wanting to spend any more money than I have to I'd like to fix the unit myself. I've already determined that the fan works in both high and low speed, the fan's runing while I figure out my next move.

I belive I need to order a new fan control board; Can you assit me in determining the correct model?

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You have two wires going outside they should be hooked to Y and C on the control board. If you have a meter check betweenY and C. If you have 24 volts your problem is outside. If your unit has a low pressure control it may be low on gas meaning a leak. Rusty

Posted on Jun 05, 2009

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Posted on Jan 02, 2017

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