Watts 909AGC - Part of the Air Gaps Series ADS piston O-ring

piston O-ring

positive back stop

ZM400SS-4NH

This security accessory works with the BG-FILCOTEN® 100 trench drain line to secure the drain grate onto the integral frame of the channel or catch basin

The waterproof wall panel roll will not rot or mildew

Watts 909AGC - Part of the Air Gaps Series ADS piston O-ringThis air gap for reduced pressure zone assembly, 3 4 to 1 IN series 009 and 909, 1 to 1 1 2 IN series 009M2, and 1 1 4 to 2 IN series 995, provides an unobstructed, physical separation between the discharge end of a potable water supply line and an open receiving vessel. The installation of an air gap and drain line are recommended on reduced pressure zone assemblies. It can be installed vertically or horizontally (vent elbow required for vertical