W Cooper Hub w/Standpipe [RS-18 No Laterals] (2018A) pooltool A part like this is

A part like this is useful because it restores the primary heating element in systems that use a flow-thru style heater body

more visually present trim face at the spa surface

The white finish gives this Waterway nozzle a clean

Fits compatible DVK5 through DVK7 applications

W Cooper Hub w/Standpipe [RS-18 No Laterals] (2018A) pooltool A part like this isW Cooper Hub w Standpipe [RS 18 No Laterals] (2018A) is a W. Cooper Industries hub with standpipe for compatible RS 18 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.