W Cooper Hub w/Standpipe [RS-2115 No Laterals] (2040A) spaaccessories Pump shafts are core drive

Pump shafts are core drive components that transfer motor power into the wet end assembly

The reference-based match gives this cartridge practical value because cartridge replacement works best when it follows recognized part numbers tied to the original housing

and this Grid Controls M-225 version is a 25 amp 115 volt model with a 2 inch spigot connection using the 57-F1-2225-00W reference

The Hayward inlet fitting screw kit is designed for compatible fitting applications where a six-piece set of replacement fasteners is needed

W Cooper Hub w/Standpipe [RS-2115 No Laterals] (2040A) spaaccessories Pump shafts are core driveW Cooper Hub w Standpipe [RS 2115 No Laterals] (2040A) is a W. Cooper Industries hub with standpipe for compatible RS 2115 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.