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DO IT RIGHT
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Discussion Starter · #1 · (Edited)
I am doing a basement finish for a customer.The plan calls for a an enclosed furnace room.They just had a new high efficiency gas furnace installed.I noticed that the exhaust line (3"pvc) is routed to the outside but not the combustion air intake.It just has a 90 attached to the furnace drawing air from inside the house.Is this proper?Thanks,Nick
 
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