Watts FV-4M1-3/4 Automatic Air Vent Valve 3/4" Coffee Specifications: S1Q plug in ballast

Specifications: S1Q plug in ballast

Looking for the Replacement Cartridge

20" Heavy Duty Housing 1" with pressure relief button

Fits in the following filter housings: Pentek Big Blue #20 Housings

Aladdin: 17501

Watts FV-4M1-3/4 Automatic Air Vent Valve 3/4" Coffee Specifications: S1Q plug in ballastWatts Series FV 4M1 3 4 Automatic Air Vent Valves provide automatic air venting for hot or cold water distribution systems. These vents purge air that may be in the water system. The vent valve utilizes a float to actuate the valve plug which is located at the top of the valve. Once the air is displaced and the system pressure is sustained, the valve plug seals and prevents any water from escaping from the system. The float vent can also operate as an