Control Board Kit 420020007S with 472610Z Switch Membrane Pad Restore reliable control for compatible pool and spa heater models with this directfit control board kit. The kit replaces a failing control board and its switch membrane pad to temperature regulation and user interface response to normal operation. Key benefits Restores functionality: Replaces a faulty control board and membrane switch assembly so the heater responds correctly to temperature settings and frontpanel commands. Directfit compatibility: Designed to match the original board layout and connector positions for the listed MaxETherm heater models, reducing installation time. Complete kit: Includes the control board (420020007S) plus the 472610Z switch membrane pad so both electronics and user interface surfaces are replaced together. Practical spare for maintenance: Useful for service technicians or owners who want a ready replacement to minimize downtime. Main attributes Function: Replacement control board kit for heater control and user interface switching. Compatibility: Compatible with Pentair StaRite MaxETherm models SR200NA, SR333NA, SE400NA, SR200HD, SR333HD, SR400HD. Components: Printed circuit control board and matching switch membrane pad part 472610Z included in the kit. Performance: Matches original form factor and connector layout to restore original control behavior when installed correctly. Typical applications a failed control board on a MaxETherm heater to restore temperature control and panel switch responsiveness. Keep on hand as a service spare for pool and spa maintenance teams to reduce heater downtime during repairs. Use during preventive maintenance when a worn membrane pad or intermittent board failures are detected. What is included Control board, model 420020007S Switch membrane pad, model 472610Z Installation notes Designed as a direct replacement for the compatible MaxETherm heater models listed above. Basic mechanical and electrical skills are required for installation. Follow all safety precautions and disconnect power before servicing. Professional installation is recommended if you are not familiar with heater electronics. Compatibility reminder Intended for use with Pentair StaRite MaxETherm models SR200NA, SR333NA, SE400NA, SR200HD, SR333HD, SR400HD. Verify part numbers and model fit before .