Hayward XStream Cartridge Filter Internal Kit | WFXJ500KIT Spa Heaters A working check valve helps

A working check valve helps protect heaters

Install with system off and depressurized

Satin Chrome finish for a durable

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Hayward XStream Cartridge Filter Internal Kit | WFXJ500KIT Spa Heaters A working check valve helpsWhat This Part Is Used For The Hayward WFXJ500KIT is an internal kit used to service compatible Hayward XStream cartridge filters. It supports rebuilding the internal wear components that affect how the filter seals and functions during normal operation. This kit is used during filter maintenance when internal parts are worn or damaged. Why This Part Matters When internal components wear out, filters can leak, lose proper sealing, or become difficult