Hayward S311/S360 Bulkhead Spacer After 1995 (SX360E) vacalert and vinyl return applications where

and vinyl return applications where the original screws are corroded

The union nut secures the union connection and helps compress the sealing surface so the pump can connect properly to the surrounding plumbing

Helps restore coordinated system and equipment control

Diffusers are useful because they help shape and guide water flow after the impeller

OEM-style replacement for routine filter repairs

Hayward S311/S360 Bulkhead Spacer After 1995 (SX360E) vacalert and vinyl return applications whereFor post 1995 Hayward S311 and S360 sand filter assemblies, this bulkhead spacer helps maintain the correct fit and spacing at the tank connection. It is an important detail part when rebuilding or resealing the bulkhead area. Designed for compatible S311 S360 filters after 1995 Helps maintain proper bulkhead spacing Useful during leak repair and tank connection service Supports correct assembly alignment Replacement part for Hayward sand filter