W Cooper Hub w/Standpipe [RS-3020 No Laterals] (3021A) andersonmfg This OEM pool motor is

This OEM pool motor is a practical replacement for compatible Pentair/Sta-Rite systems that need the proper horsepower and frame configuration during service

lid diameter

and this Pleatco version uses the PXG1836 reference

which is why the quality and compatibility of the seal matter every bit as much as the motor and wet-end parts around it

Part 624552 helps restore heating performance when the spa is no longer reaching set temperature

W Cooper Hub w/Standpipe [RS-3020 No Laterals] (3021A) andersonmfg This OEM pool motor isW Cooper Hub w Standpipe [RS 3020 No Laterals] (3021A) is a W. Cooper Industries hub with standpipe for compatible RS 3020 No Laterals filter assemblies. The hub and standpipe help direct water through the filter system and are key internal components in proper filtration performance. This replacement version is listed without laterals, making it useful when the standpipe or hub requires replacement but the matching lateral set is handled separately.