CMP Generic Weir [8-3/8"] [Swimquip U3/Hayward SP1070] (25141-440) pumpimpellers and this Balboa Terminal Block

and this Balboa Terminal Block is designed for compatible applications requiring 6 circuit positions with #10 screw connections where the original block has cracked

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

since the same spa model may use different jet configurations over time

That keeps the repair focused and cost-effective

You want to know instantly which control affects which function

CMP Generic Weir [8-3/8"] [Swimquip U3/Hayward SP1070] (25141-440) pumpimpellers and this Balboa Terminal BlockThe 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