Hayward Strainer Housing [1-1/2" In x 1-1/2" Out] (SP1516) tools A properly selected Harwil flow

A properly selected Harwil flow switch kit helps support cleaner service

A properly selected replacement helps restore the intended internal fit and supports more predictable high-demand pump performance

especially in larger layouts or setups where one panel alone is not enough

Version-specific pump parts matter because even similar horsepower ratings may not use the same impeller

Hayward Strainer Housing [1-1/2" In x 1-1/2" Out] (SP1516) tools A properly selected Harwil flowThe Hayward strainer housing is designed for compatible pump applications where the debris catching front housing section needs replacement. A part like this is useful because it supports the strainer basket area and helps manage the incoming water path before it reaches the main pumping components. This replacement with 1 1 2 inch inlet and 1 1 2 inch outlet sizing is especially useful when the original housing is cracked, leaking, warped, or