rlskfoster Posted September 19, 2006 Report Share Posted September 19, 2006 Here is the trap and vent for an attic mounted HVAC unit that was tapped into a plumbing vent. The drain runs about eight feet from the evaporator drain. How bad is this setup and what would be the complications. Buster Download Attachment: Chadwick 085.jpg 50.07 KB Quote Link to comment Share on other sites More sharing options...
kurt Posted September 19, 2006 Report Share Posted September 19, 2006 Sewer gas in the house when the trap dries out. Quote Link to comment Share on other sites More sharing options...
Bain Posted September 19, 2006 Report Share Posted September 19, 2006 And if it's connected to a ninety-percent furnace, the trap could freeze in the wintertime and allow flue-pipe condensation to backflow into the cabinet. Here, anyway. Probably not in Tejas. Quote Link to comment Share on other sites More sharing options...
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