WATTS® 0881399 Air Gap, For Use With Model 009/LF009 1/2 to 1/2 in Reduced Pressure Zone Assemblies, Model 009/LF009M2/M3 3/4 in Reduced Pressure Zone Assemblies, Model 995 1/2 to 1 in Reduced Pressure Zone Assemblies, Import

Air Gaps for Reduced Pressure Zone Assemblies provide 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. Air Gaps can be installed vertically or horizontally (vent elbow required for vertical installation.