Waterway Union Tee Assembly [1-1/2" Union Nut With 1" Slip x 1" Slip Tee] (400-4200) generic this Waterway dark gray weir

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

Circulation pumps are critical because they keep water moving through compatible systems for heating and filtration support

A replacement wet end can make a major difference when the water-handling side of a pump has reached the point where the original assembly no longer feels dependable

A properly selected partial grid helps restore intended filtration support and contributes to cleaner maintenance results

Helps restore cleaner and safer heater operation

Waterway Union Tee Assembly [1-1/2" Union Nut With 1" Slip x 1" Slip Tee] (400-4200) generic this Waterway dark gray weirThe 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