Waterway Diverter Lower [Square Skimmer Filter] (519-4000) unicel and this Darlly Filtration SR500

and this Darlly Filtration SR500 SM8500 system is designed for compatible applications where restoring full cartridge-system performance is the goal

This type of part is especially useful when the original heater tailpiece is cracked

This model is especially useful in applications where hands-on manual operation is not the preferred control method and a pneumatic setup is already part of the system design

This replacement is especially useful when the original switch no longer responds within the intended pressure window

Waterway Diverter Lower [Square Skimmer Filter] (519-4000) unicel and this Darlly Filtration SR500Waterway Diverter Lower [Square Skimmer Filter] is a replacement skimmer component for compatible Waterway skimmer or filter assemblies. It helps support proper water flow, debris handling, and component alignment inside the skimmer system. It is a useful service part when restoring skimmer function or replacing a worn component that affects fit, water routing, or routine pool maintenance. Before ordering, compare the part number, connection size,