Waterway Union Assembly [1-1/2" FPT x 1-1/2" Slip] (400-4160) prostar A jet body like this

A jet body like this is useful because it forms the foundation of the jet assembly and determines how the water and air connections are built into the surrounding plumbing

not an obvious patch

and C1800CF feeder applications where the lid needs to be removed safely and correctly during maintenance

and this Jacuzzi Vinyl Liner Return Eyeball is designed for compatible applications where the original insert has cracked

Waterway Union Assembly [1-1/2" FPT x 1-1/2" Slip] (400-4160) prostar A jet body like thisThe Waterway 400 4160 union assembly is designed for compatible plumbing applications using a 1 1 2 inch female pipe thread connection and a 1 1 2 inch slip outlet. A union assembly like this is useful where the plumbing must remain serviceable while also transitioning between threaded and solvent weld connection styles. This makes the Waterway union especially practical in repair work where one side of the line is threaded and the other side