Air gap (Sanitary plumbing system)
Revision as of 11:11, 7 February 2017 by Joceil.infante (talk | contribs) (Created page with "The unobstructed vertical distance through the free atmosphere between the outlet of a discharge or waste pipe and the overflow level of the receptacle into which it is discha...")
The unobstructed vertical distance through the free atmosphere between the outlet of a discharge or waste pipe and the overflow level of the receptacle into which it is discharging.
References
1. AS/ NZS 3500.0:2003 Plumbing and Drainage
