Watts 0881378 – 1 1/4″ – 2″ Air Gap for 009M1 or 2″ for 009M2 or 3″ for 009 / 909

Watts: 909-AGF (Air Gap): for a 1 1/4″ – 2″ 009M1 or 2″ 009M2 or 1 1/4″ – 3″ 009/909

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.)