Generic Square Ring [7-7/8" ID] [8-3/16" OD] (O-215) skimmerparts Raypak cast iron return header

Raypak cast iron return header

7-day panel-mount timer with SPDT switching and 115 volt operation

An assembly like this is useful because it restores the upper closure portion of the valve

Waterway pump volute

Generic Square Ring [7-7/8" ID] [8-3/16" OD] (O-215) skimmerparts Raypak cast iron return headerA square ring helps create a seal at a compatible larger circular connection where the original groove is designed for a square profile seal, and this generic version is sized with a 7 7 8 inch inside diameter and 8 3 16 inch outside diameter using the O 215 reference. When a square profile seal becomes brittle, worn, or flattened, the assembly can lose the sealing support it should maintain. The square ring design gives this part practical value