Hayward WG1048AV Frame Screw [Qty-8] (SPX1039Z18) gptools while the Ultimax platform preserves

while the Ultimax platform preserves the original pump-family fit

The included lateral also makes this a more complete internal replacement option when the damage extends beyond a single piece

A volute is one of the major wet-end housing parts that helps shape and direct water movement through the pump

A full assembly like this improves comfort and presentation together

Hayward WG1048AV Frame Screw [Qty-8] (SPX1039Z18) gptools while the Ultimax platform preservesThe Hayward frame screw set is designed for compatible WG1048AV drain applications where the cover or frame hardware needs replacement. Frame screws are useful because they help secure the drain components properly, supporting stable fit, cleaner appearance, and dependable cover retention. This replacement is especially useful when the original screws are stripped, corroded, damaged, or missing. A larger hardware pack can be helpful when servicing