Hayward Injection Check Valve, 1/4" | CAX-3511 Outdoor Décor The 5/8" diameter coupling provides

The 5/8" diameter coupling provides a precise fit that helps maintain vent integrity and proper performance in typical residential installations

These panels create a distinctive brick pattern finish that enhances the unit's interior aesthetics while preserving the existing surround structure

Hayward manufactures chemical feeders and service components used in residential pools

Plumbing adjustment may be required because the valve and connection locations may differ from the original S200 setup

Hayward Injection Check Valve, 1/4" | CAX-3511 Outdoor Décor The 5/8" diameter coupling providesWhat This Part Is Used For The CAX 3511 injection check valve 1 4in is used in chemical feed systems to prevent backflow into injection tubing. It allows chemical to flow in one direction toward the return line. Why This Part Matters A failed check valve can allow pool water to enter feed lines and damage pumps. Replacing it maintains proper dosing and protects chemical equipment. Reliable one way flow prevents contamination and system corrosion. Key