WATTS® Vent Elbow, For Use With: Model 009/LF009M1 1-1/4 to 2 in Reduced Pressure Zone Assemblies, Model 009/LF009 1-1/4 to 2 in Reduced Pressure Zone Assemblies, Model 009M2 2 in Backflow Preventer Reduced Pressure Zone Assembly, Gray Cast Iron with Zinc Phosphate Prime, 3-5/8 in W x 3-5/8 in D, Domestic

This air gap for reduced pressure zone assembly, 1 1/4-2 IN series 009M1, 1 1/4-2 IN series 009 and 909, and 2 IN series 009M2, 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).