WATTS® Vent Elbow, For Use With: Model 009/909/LF009 3/4 to 1 in Reduced Pressure Zone Assembly, 009/LF009M2 1 to 1-1/2 in Reduced Pressure Zone Assembly and 995 1-1/4 to 2 in Reduced Pressure Zone Assembly, Cast Iron, Domestic

This air gap for reduced pressure zone assembly, 3/4-1 IN series 009 and 909, 1-1 1/2 IN series 0092M2, and 1 1/4-2 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 installation).