vexar forced air heater

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dianacar5
Posts: 1
Joined: Fri Nov 20, 2009 2:50 am

Fri Nov 20, 2009 3:00 am

Vexar forced air heater . When you turn the heater on at the wall it shows three flashes on the system "Combustion air switch failed to close" then heater turns off. I read your information. How much does this cost to fix and what causes this problem.


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Robert
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Posts: 6413
Joined: Wed Feb 28, 2007 12:07 am
Location: Tennessee

Sat Nov 21, 2009 4:00 pm

Hi,

What is your furnace model number ?



Thanks,
Robert
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