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Easy Installation: Simple setup that integrates seamlessly with your existing pool system
Minimal wind lift and a cleaner look
industry-relevant products backed by decades of experience in keeping pools clean and efficient
Hayward manufactures plumbing valves used in residential and commercial pool systems
Smaller commercial pools still require reliable
Hayward Injection Check Valve, 1/4" | CAX-3511 Water Tech Easy Installation: Simple setup thatWhat 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
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