Control Board Kit 420020007S 461105 with Switch Pad 420020029Z 472610Z Replacement for Pentair MasterTemp StaRite MaxETherm NA and LP Series Pool and Spa Heater Electrical Systems Product overview A direct replacement control board and switch pad assembly designed to restore the electrical control functions of compatible pool and spa heaters. This kit contains the control board 420020007S 461105 and the switch pad 420020029Z 472610Z for complete panel and reliable operation. Key benefits Restores control functionality: Replaces worn or failed control electronics to bring heaters back to normal operation without replacing the entire unit. Direct fit compatibility: Designed to match original equipment mounting points and connectors for Pentair MasterTemp, StaRite, and MaxETherm NA and LP models, minimizing installation time. Reduces downtime: Having a ready replacement board and switch pad helps service technicians and owners complete repairs fast and get systems running sooner. Durable components: Built with standard circuit board materials and a resilient switch pad to withstand normal pool and spa operating conditions. Simple troubleshooting step: Ideal first replacement when heaters exhibit controlrelated faults, intermittent response, or unresponsive front panel switches. Key features and specifications Included parts: Control board 420020007S 461105 and switch pad 420020029Z 472610Z. Function: Replaces the main electrical control board and front panel switch pad that manage ignition, temperature input, and user control interface on compatible heaters. Compatibility: Intended for use with Pentair MasterTemp, StaRite MaxETherm NA and LP series pool and spa heater electrical systems. Verify model and part numbers before ordering. Fit and form: Manufactured to match original board dimensions and connector locations for plugin replacement with existing wiring and mounts. Material and build: Standard PCB construction with a flexible switch pad designed for repeated button use. Typical applications Homeowner : a failed control board and worn switch pad to restore a backyard pool heater that will not respond to temperature settings. Service technician maintenance: Stock this kit for quick field repairs on multiple compatible heater models during seasonal startup or emergency service calls. Preventative replacement: aging control components during scheduled heater maintenance to limit unexpected service interruptions during peak use. Installation notes Designed for direct replacement using existing connectors and mounting hardware. Basic electrical skills and tools required. Turn power off to the heater before beginning work. If you are not comfortable working with electrical components, consult a qualified technician. Compatibility reminder Confirm the heater model and part numbers on your equipment match the listed compatibility before to ensure proper fit and function.