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- by Roxane Normand
- Fri Mar 13, 2009 8:43 am
- Forum: All Other HVAC Questions
- Topic: combustion air switch
- Replies: 1
- Views: 2035
We have a problem with our furnace and we are getting a diagnostic flash code of 3 flashes which I guess it is telling me that the Combustion Air Switch failed to close. I was wondering if anyone knows what this means and if it can be repaired easily? Thanks Roxane from Onoway AB Canada