A/C condensate line

[Frank P. Newman]

Originally Posted by jcote

Thanks for your comment, that's what I thought. I wonder why HVAC technicians keep installing them directly in the sewer line

Around here the reason, for air handlers installed in the attics, is that the lines have little room for much slope and the traps get plugged up with algae or trash during the summer. I'm not defending the practice, however.