Zodiac Jandy JXi 200–400 Water Pressure Switch Kit (R0457001) hammerhead this Waterway flush-mount water jet

this Waterway flush-mount water jet is a practical option when a cleaner low-profile finish is desired

The spa-and-pool application gives this cartridge practical value because some filter designs serve multiple system types while still requiring the correct size and fit

and other smaller particles during operation

and more confident long-term control

Because it is placed in the skimmer

Zodiac Jandy JXi 200–400 Water Pressure Switch Kit (R0457001) hammerhead this Waterway flush-mount water jetSelected for compatibility driven service work, Zodiac Jandy JXi 200400 Water Pressure Switch Kit (R0457001) is a replacement electrical: switches component for Jandy JXi heater applications. It is used for verifying adequate water flow before firing, and it helps prevent heater operation when circulation is not sufficient. For JXi heaters, matching the exact service kit matters because combustion, water flow, and control components are tightly