Zodiac Jandy JXi 200–400 Transformer Kit (R0456301) bathpumps The Hayward true union PVC

The Hayward true union PVC ball valve is designed for compatible plumbing applications where shutoff control and easier service access are needed

Matched to a 4

When that surface is worn

A circuit board is useful because it acts as the control hub for multiple spa functions

A properly selected carbon replacement helps restore intended support performance and contributes to cleaner routine maintenance

Zodiac Jandy JXi 200–400 Transformer Kit (R0456301) bathpumps The Hayward true union PVCIdeal for careful pool equipment rebuilds, Zodiac Jandy JXi 200400 Transformer Kit (R0456301) is a replacement electrical: transformers component for Jandy JXi heater applications. It is used for supplying stepped down control voltage, and it keeps low voltage controls, relays, and safety circuits powered correctly. For JXi heaters, matching the exact service kit matters because combustion, water flow, and control components are tightly integrated