Zodiac Jandy JXi 200–400 Water Pressure Switch Kit (R0457001) hammerhead Improves plumbing-service efficiency and restoration

Improves plumbing-service efficiency and restoration confidence

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

A properly selected replacement helps restore intended heating performance while supporting a more accurate service plan

1 inch slip connection

making it a key structural and functional part of the tank

Zodiac Jandy JXi 200–400 Water Pressure Switch Kit (R0457001) hammerhead Improves plumbing-service efficiency and restorationSelected 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