Stark O-Ring [THS Filter Manway EPDM 50D] (B4951Z) waterlevelers Supplied as a set of

Supplied as a set of two

Includes gaskets for cleaner reassembly

The S160TPAK3 is a practical replacement for compatible Hayward systems that need renewed mounting support and cleaner long-term installation stability

Replacing both parts as a matched kit can help restore cleaner function and a more complete repair result

This switch has practical value because it is tied to a recognizable application family rather than serving only as a generic substitute

Stark O-Ring [THS Filter Manway EPDM 50D] (B4951Z) waterlevelers Supplied as a set ofThe Stark O ring is designed for compatible THS filter manway applications where a dependable seal is needed between connected filter components. An O ring is useful because it helps create a barrier against leaks, supporting cleaner assembly and more dependable pressure retention within the filtration system. This replacement is especially useful when the original O ring is flattened, cracked, brittle, stretched, or leaking. The EPDM 50D construction