Clack O-Ring 337 for WS1 and WS1.25 Valves - V3180

Clack O-Ring 337 for WS1 and WS1.25 Valves - V3180 The V3180 O-ring provides a seal between the tank opening and valve body on top-mount softener and filter systems. It’s compatible with Clack WS1 control valves and 1.25-inch valve configurations. This O-ring is also used in Clack 1190 head assemblies and D1220/D1400 valve models, where it seals the inlet and outlet ports. It’s a suitable replacement when servicing compatible WS1 systems or fitting a D1400 head. V3180 O-Ring Specifications Specification Details Part Number V3180 (Clack -337) Outer Diameter 3⅜ in. Inner Diameter 3 in. Thickness 3/16 in. Material Water-safe elastomer Application Seal between the top of the tank and the valve Note: The O-ring image is enlarged for viewing purposes only. Actual dimensions are listed above.