MOPKIUTR 420020007S Pool Heater Control Board Kit with 472610Z Switch Membrane Pad What this product is A direct replacement control board kit that restores the control functions of compatible pool and spa heaters. The kit includes the control board 420020007S and the switch membrane pad 472610Z for a complete userinterface and electronics swap. Key benefits Restores heater control quickly: a failed or malfunctioning control board and membrane pad to regain normal control and operation of the heater. Complete kit for convenience: The included membrane pad 472610Z matches the heater front panel interface so you do not need to source separate parts. Compatibilityfocused fit: Intended as a direct replacement for specified NA and LP model heaters, reducing troubleshooting and fitment uncertainty. Reduces downtime: Replacing both the board and membrane pad at once addresses both electronic and userinterface failure modes in one service visit. What it does and why you need it Replaces the main electronic control component that manages the heater interface and control signals. If the heater will not respond to controls, displays error codes tied to the electronics, or the frontpanel buttons no longer work, this kit provides the replacement parts to restore normal operation. Useful when performing routine maintenance or when a technician diagnoses a failed control board or worn membrane pad. Compatibility and models Compatible with Mastertemp and StaRite MaxETherm NA and LP model pool and spa heaters. Check the heater model plate to confirm NA or LP designation before ordering. Included items Control board 420020007S Switch membrane pad 472610Z Performance and fit Designed to match the original control board and membrane pad form and function for straightforward replacement. Intended to interface with the existing wiring and mounting locations used in compatible NA and LP heaters. Typical use scenarios a failed control board on a residential pool heater after electrical faults or component failure prevents normal operation. Swap a degraded or unresponsive membrane pad and control board during offseason maintenance to ensure reliable startup for the next swim season. Complete electronics service during a technician visit when troubleshooting a heater that shows control errors or unresponsive frontpanel controls. Installation notes Intended for qualified service personnel. Verify heater model and power is disconnected before attempting replacement. Follow the heater manufacturer service manual for removal and installation procedures. Model references Control board 420020007S Switch membrane pad 472610Z Compatible with NA and LP model pool and spa heaters as indicated above This kit provides the specific control board and membrane pad needed to restore control functions on compatible heaters, combining the two key components commonly replaced together for reliable restoration of the user interface and electronics.