ChillerTheatre
Mechanical
- Feb 9, 2006
- 2
If I have an RPZ backflow preventer with an air gap fitting, does that serve as the air gap and I can pipe the fitting to a trap and sewer or do I still need to have another air gap at the bottom to a drain?
If it doesn't serve as the air gap, what is the point of the air gap fitting?
If it doesn't serve as the air gap, what is the point of the air gap fitting?