Hayward Next Gen PP 1/4" Injection Check Valve (CAX-3511) controlsystemparts Threaded twin roto smooth-face design

Threaded twin roto smooth-face design in gray and stainless

Matching the correct gray textured top-mount style helps preserve intended fit and maintain a coordinated appearance in the installation

this venturi inlet fitting helps support dependable circulation return and cleaner long-term presentation

24 inch full-grid format

For compatible mini jet service and upgrade work

Hayward Next Gen PP 1/4" Injection Check Valve (CAX-3511) controlsystemparts Threaded twin roto smooth-face designThe Hayward next generation polypropylene injection check valve is designed for compatible chemical delivery applications where a controlled one way injection point is needed. A check valve is useful because it helps prevent reverse flow while allowing chemical feed in the intended direction, supporting safer and more dependable operation. This replacement is especially useful when the original valve is leaking, sticking, damaged, or no longer