Control Board Kit model 420020007S with 472610Z switch membrane pad Compatible with MasterTemp NA and LP pool and spa heater electrical systems (Pentair compatibility) Why you need this kit Restores full control functionality when the heater control board fails or the front panel switches become unresponsive. Prevents extended downtime by replacing two common failure points in a single service: the control board and the switch membrane pad. Designed to match the form factor and electrical connections of the original components, simplifying replacement and reducing installation time. Key benefits and problem solving Direct replacement compatibility: Fits MasterTemp NA and LP heater electrical systems so you can swap components without modifying wiring or mounting. Complete local control restoration: The control board handles ignition, safety interlocks, and system logic while the included 472610Z membrane pad restores reliable button operation and user input. Minimized troubleshooting: Replacing both the board and membrane pad addresses both electronic failures and worn front panel switches in one , reducing repeat service calls. What is included Control board, model 420020007S Switch membrane pad, model 472610Z Both items are provided as a matched kit to ensure compatibility and correct fit. Function and performance The control board handles core electrical functions for heater operation including control logic, ignition control, and interface with sensors and safety devices. The membrane pad restores tactile front panel switch response for accurate user input and menu navigation. Form factor and connector layout are designed to match original equipment so performance integrates with existing heater wiring and components. Compatibility and fit Compatible with MasterTemp NA and LP pool and spa heater electrical systems. Verify model numbers and control cavity layout prior to installation. Kit includes the specific control board and switch membrane pad models used in these heaters to ensure a close mechanical and electrical match. Installation notes Designed for straightforward replacement of the original control board and membrane pad. Basic tools and electrical safety precautions are required. Power must be disconnected before removal and installation. If unsure about electrical work, consult a qualified service technician. Retain original fasteners and mounting orientation to ensure proper fit and grounding. Practical use scenarios After a control board failure caused by a power surge, the 420020007S control board and the 472610Z membrane pad to restore ignition and control operations quickly and reliably. During routine heater refurbishment, install this kit to an aging board and worn front panel switches so the heater returns to dependable service with fewer future faults. When front panel buttons become unresponsive or inconsistent, the membrane pad along with the control board to address both user interface and electronic control issues in a single service visit. Who should consider this kit Pool and spa technicians performing maintenance or repairs on compatible heater models. Homeowners with MasterTemp NA or LP heaters seeking a matched replacement for control electronics and the front panel membrane. Service shops that want a single stocked kit to address common electrical and user interface failures for these heaters. Simple, compatible replacement This matched control board and membrane pad kit provides a focused solution for electrical control and front panel switch problems in MasterTemp NA and LP pool and spa heater electrical systems. It supplies the specified component models 420020007S and 472610Z for directfit replacement and streamlined .