Waterway Union Tee Assembly [1-1/2" Union Nut With 1" Slip x 1" Slip Tee] (400-4200) generic Installing the proper Pentair fitting

Installing the proper Pentair fitting can help restore directional flow control and improve the finished appearance of the return point

or replacement of worn original components

this Waterway dark gray weir door assembly is a practical replacement when the original skimmer door needs to be renewed

Waterway Clearwater II sand filter system tank body

Waterway Union Tee Assembly [1-1/2" Union Nut With 1" Slip x 1" Slip Tee] (400-4200) generic Installing the proper Pentair fittingThe Waterway 400 4200 union tee assembly is designed for compatible plumbing applications and includes a 1 1 2 inch union nut with a 1 inch slip by 1 inch slip tee. A part like this is useful where a serviceable union connection also needs an integrated tee branch, combining accessibility and distribution in one compact assembly. That combination can simplify plumbing layouts that would otherwise require multiple separate fittings around a union