Waterway Universal Booster Pump Pump Volute (315-8300B) ussealmfg This cartridge has practical value

This cartridge has practical value because the multiple identification references provide added confidence during the selection process

Combines pressure monitoring with manual air release functionality

Supports full-cleaner rebuild accuracy

Combined with the deluxe scallop styling

An air control helps homeowners fine tune the feel of a spa seat

Waterway Universal Booster Pump Pump Volute (315-8300B) ussealmfg This cartridge has practical valueThe Waterway 315 8300B universal booster pump volute is designed for compatible pump applications. A volute like this is useful because it forms the main water directing housing around the impeller, helping restore the pump wet end when the original body section has cracked, worn, or become unreliable. Booster pump housings are major structural parts, and replacing the correct volute can make the difference between a clean rebuild and a patchwork