Heater Control Board Kit Replacement for Pentair Mastertemp 420020007S and MaxETherm 472610Z Pool and Spa

Control board kit 420020007S and switch membrane pad 472610Z for Mastertemp and MaxETherm Pentair All NA and LP Series pool and spa heater electrical systems Product highlights Restores full control system function by replacing a faulty control board and worn switch membrane pad together. Directfit replacement for specified Mastertemp and MaxETherm Pentair All NA and LP Series heater control panels, minimizing installation time. Reestablishes reliable electrical switching and responsive user interface to reduce heater downtime. Compact control board and responsive membrane pad designed for straightforward integration with existing connectors and mounting points. Why you need this kit Replaces the two most common failure points in heater control assemblies: the printed circuit control board and the front panel switch membrane pad. Using both parts together helps ensure the control electronics and user interface work properly. Avoids repeated service calls by addressing both internal control faults and button response issues at once. Suitable for routine maintenance or as a targeted when the heater shows power, ignition, or control panel symptoms. Key functions and attributes Function: control board provides the heater logic and power switching; switch membrane pad supplies tactile input and contact actuation for the front panel buttons. Compatibility: models 420020007S and 472610Z specifically fit Mastertemp and MaxETherm Pentair All NA and LP Series pool and spa heater electrical systems. Form factor: compact printed circuit board and thin membrane pad sized to match original panel cutouts and mounting points for direct replacement. Performance: restores accurate button response and stable control logic to support normal heater operation. Practical applications and scenarios Heater will not power on or cycles off unexpectedly: replacing the control board resolves internal electronic faults that prevent normal startup and operation. Front panel buttons are unresponsive or intermittent: installing the switch membrane pad restores reliable tactile control and correct input signals to the control board. Preventive maintenance during seasonal service: both the control board and membrane pad to reduce the chance of midseason failures and maintain consistent heater performance. What to expect in use Fitment that matches original mounting locations and connectors for a clean swap. Restored user interface responsiveness and electrical control behavior when installed correctly. Recommended for technicians and competent DIYers familiar with electrical systems and heater servicing. Follow safety procedures and power isolation before servicing. Included items Control board 420020007S Switch membrane pad 472610Z Compatibility reminder Intended for Mastertemp and MaxETherm Pentair All NA and LP Series pool and spa heater electrical systems. Verify model fitment before .