Generic O-Ring [20-1/2" ID] [5/16" CS] O-103 (O-103) nutsboltsscrews support for 120 or 240

support for 120 or 240 volt applications

Matching the correct part helps preserve intended adjustment behavior and supports cleaner control restoration

Useful when original swirl action has faded or worn down

Lasco Schedule 40 PVC adapter

Generic O-Ring [20-1/2" ID] [5/16" CS] O-103 (O-103) nutsboltsscrews support for 120 or 240An O ring helps create a dependable seal at a compatible very large circular connection, and this generic version is sized with a 20 1 2 inch inside diameter and 5 16 inch cross section using the O 103 reference. When a large O ring with this profile becomes worn, flattened, or cut, the assembly can lose the sealing support it should maintain around the full circumference. The 5 16 inch cross section gives this O ring practical value because larger