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

CMP generic air control

or no longer controlling fuel flow correctly

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

A gasket like this is useful because it helps maintain a cleaner seal between joined parts

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