Watts 919AGF - Part of the Air Gaps Series ZA100F-4NH making it one of the

making it one of the most stable polymers available for geotextiles today

ZN415M-2NH

The Watts GRD-680 is a green-roof planter drain designed to provide dependable primary drainage in large planter areas on vegetated roof systems

Channel 16 is a sloped section with an invert depth from 15

5" Depth = 4

Watts 919AGF - Part of the Air Gaps Series ZA100F-4NH making it one of theThis air gap is designed for 1 1 4 to 2 inch reduced pressure zone assembly, series 919 LF919, and 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. An air gap can be installed vertically or horizontally (vent elbow required for vertical installation). Features Use with 1