WATTS® Air Gap, For Use With: Model 919/LF919 1-1/4 to 2 in Reduced Pressure Zone Assemblies, 8-1/2 in H, Import

This 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).