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- Fri Nov 20, 2009 3:00 am
- Forum: All Other HVAC Questions
- Topic: vexar forced air heater
- Replies: 1
- Views: 2936
vexar forced air heater
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.