Zodiac Jandy JXi 200–400 Water Pressure Switch Kit (R0457001) hammerhead This MasterTemp and Max-E-Therm Thermal

This MasterTemp and Max-E-Therm Thermal Regulator Kit is regulates internal heater water temperature flow behavior to help protect the heat exchanger and maintain proper heater operation

Because it is placed in the skimmer

and more confident long-term control

and other smaller particles during operation

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

Zodiac Jandy JXi 200–400 Water Pressure Switch Kit (R0457001) hammerhead This MasterTemp and Max-E-Therm ThermalSelected 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