Pentair Sta-Rite U-3 White Skimmer Extension Collar (WC37-503P) pumpparts The gearbox is a key

The gearbox is a key part of the movement system in many Hayward suction cleaners

small thread differences matter

contributing to dependable filter operation and component alignment

Supports strong water movement within pumps

Dual roto design for dynamic water movement

Pentair Sta-Rite U-3 White Skimmer Extension Collar (WC37-503P) pumpparts The gearbox is a keyThis white skimmer extension collar is made for Sta Rite U 3 skimmer installations where added height or finish adjustment is needed. Extension collars help bridge the gap between the skimmer body and the finished deck or surrounding surface. A correctly fitted collar improves the appearance of the installation and supports easier access to the skimmer basket. Designed for compatible Sta Rite U 3 skimmers White finish for a clean deck side appearance