CMP Generic Weir [8-3/8"] [Swimquip U3/Hayward SP1070] (25141-440) pumpimpellers A properly selected replacement helps

A properly selected replacement helps preserve the intended internal flow path and support function instead of forcing the repair to rely on a substitute that only partly fits

hard to turn

You want to know instantly which control affects which function

Useful when original vacuum plates are cracked or worn

CMP Generic Weir [8-3/8"] [Swimquip U3/Hayward SP1070] (25141-440) pumpimpellers A properly selected replacement helpsThe CMP generic 8 3 8 inch weir is designed for compatible Swimquip U3 and Hayward SP1070 style skimmer applications where the weir door needs replacement. A weir is useful because it helps regulate the surface water flow into the skimmer, supporting more effective debris capture and steadier skimming action. This replacement is especially useful when the original weir is cracked, warped, faded, or no longer moving correctly. Matching the correct 8 3