Zodiac Jandy JXi 200–400 Water Pressure Switch Kit (R0457001) hammerhead A properly selected replacement helps

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

Zodiac/Polaris 3900 is a replacement cleaners & parts component for compatible Polaris/Zodiac pool cleaner and equipment applications

Improves plumbing-service efficiency and restoration confidence

making it a key structural and functional part of the tank

Zodiac Jandy JXi 200–400 Water Pressure Switch Kit (R0457001) hammerhead A properly selected replacement helpsSelected 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