Waterway 22-1/2° Wye [1-1/2" Slip x 1" Slip x 1" Slip] (413-4140) valveparts A weir is useful because

A weir is useful because it helps regulate how surface water enters the skimmer

and repeated cleaning all contribute to fading

improve DE filtration performance

The Hayward Hydrostream eyeball inlet is designed for compatible return-fitting applications where directional water flow is needed through a larger face-diameter fitting

Waterway 22-1/2° Wye [1-1/2" Slip x 1" Slip x 1" Slip] (413-4140) valveparts A weir is useful becauseThe Waterway 413 4140 22 1 2 degree wye is designed for compatible plumbing applications using a 1 1 2 inch slip main connection and dual 1 inch slip branch connections. This style is useful where a larger plumbing run needs to divide into smaller branches with a gentler angle than a traditional tee or sharper wye arrangement. The shallow branch angle can help make the plumbing path cleaner and easier to manage, especially in tighter equipment areas