Hayward S360 Bulkhead Pre-1999 (SX311F) couplings 5 inch slip size and

5 inch slip size and 1/2 pound swing design give this valve practical value because flow-control components work best when the replacement matches the original plumbing size and operating characteristics

or go missing during pool light service

the system can no longer provide the steady filtration support it should

When a spa needs more than just a single board swap

especially in systems where the original design leaves little room for variation

Hayward S360 Bulkhead Pre-1999 (SX311F) couplings 5 inch slip size andThis pre 1999 bulkhead fitting is intended for compatible Hayward S360 sand filter systems that require the earlier style connection component. Bulkhead fittings are critical sealing and plumbing transition points, so correct fitment matters during filter repairs. Use this part when servicing older equipment where the existing bulkhead is cracked, leaking, or damaged during disassembly. It helps maintain the filters plumbing integrity and supports a