Zodiac Jandy JXi 200–400 Transformer Kit (R0456301) bathpumps Useful when the original cover-and-frame

Useful when the original cover-and-frame set is worn or damaged

When that surface is worn

Matched to a 4

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

A nut like this is useful because it helps hold the cover in place

Zodiac Jandy JXi 200–400 Transformer Kit (R0456301) bathpumps Useful when the original cover-and-frameIdeal 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