The Vent-and-Purge Assembly allows purging of the zone at the manifold location. The Vent-and-Purge
Assembly consists of a 1" BSP sleeve nut for attaching to the end of the manifold, and a 3/8" manual air vent
valve. Also includes a 1/2" hose fitting with a built-in ball valve to allow zone draining and filling. Nickel-plated
brass. Sold individually.
Part Number: D4201715-N
