Hayward Union [1-1/2" MPT x 1-1/2" Barb] (SP1493) audio A control pack like this

A control pack like this is especially useful when the goal is to restore dependable heating

0 horsepower fit give this impeller practical value because water-moving parts work best when they match the intended motor and wet-end relationship closely

A foot air bellow helps generate pneumatic pressure for a compatible foot-operated control system

this adapter helps create a cleaner topside fit and supports a more finished and more professional-looking control-area update overall

Correct fit at the plumbing level is a major part of reliable heat restoration

Hayward Union [1-1/2" MPT x 1-1/2" Barb] (SP1493) audio A control pack like thisThe Hayward union is designed for compatible plumbing applications where a 1 1 2 inch MPT connection needs to transition to a 1 1 2 inch barb fitting in a serviceable format. A union like this is useful because it provides a removable connection while also bridging threaded plumbing to flexible hose style routing. This replacement is especially useful when the original union is cracked, leaking, worn, or no longer tightening or sealing correctly.