Zodiac Jandy JXi 400 Manifold Backplate Kit (R0590005) vaclesssystems or has reached the point

or has reached the point where a complete heater replacement makes more sense than continued troubleshooting

Helps restore reliable heating performance

The FDXLHXA1400 is a practical replacement for compatible Hayward H400FD heaters that need renewed thermal performance and cleaner long-term operation

Terminal boards support electrical connectivity

Reduces reliance on makeshift tools that may damage parts

Zodiac Jandy JXi 400 Manifold Backplate Kit (R0590005) vaclesssystems or has reached the pointA practical choice for professional heater and equipment service, Zodiac Jandy JXi 400 Manifold Backplate Kit (R0590005) is a replacement filter parts component for Jandy JXi heater applications. It is used for servicing the heater water manifold, and it helps route water through the heat exchanger while maintaining a reliable seal. For JXi heaters, matching the exact service kit matters because combustion, water flow, and control components are