Hayward Injection Check Valve, 1/4" | CAX-3511 Outdoor Décor This part is designed for

This part is designed for professional installation by technicians and service personnel

This 61-inch kit is designed to snap seamlessly onto your existing heater

Safe & Stylish Grilling

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

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

Hayward Injection Check Valve, 1/4" | CAX-3511 Outdoor Décor This part is designed forWhat 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