plumbing code Home › Forums › Public Forums › General Plumbing › plumbing code This topic has 1 reply, 2 voices, and was last updated 18 years, 12 months ago by Retired plbg1. Viewing 1 reply thread Author Posts 26 Aug 2003 at 1:12 pm #276914 MasterPlumbersKeymaster is it against the us engineering plumbing codes to discharge air conditioner condensate water into a septic system? 26 Aug 2003 at 10:54 pm #295021 Retired plbg1Participant All the ones in a house drain into sewer and big ones on roof drain into roof drain. No its not against code.Are youtalking about a house unit. Art retired plbg Author Posts Viewing 1 reply thread You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In