Compatible Replacement Control Board for Pentair Mastertemp and StaRite MaxETherm Pool and Spa Heaters Ensure your pool or spa heating system runs at peak performance with this quality replacement control board, designed for reliability, protection, and broad compatibility. Key Features and Benefits Broad Compatibility Fits Pentair Mastertemp models 400, 300, 250, and 200. Works with StaRite MaxETherm heater models SR200NA, SR333NA, SR400NA, SR200HD, SR333HD, SR400HD, 460805. Suitable for all NA and LP series pool and spa heater electrical systems. Enhanced Protection Constructed with FR2 copper laminate for durability. Includes upgraded solidstate capacitors for stable, dependable operation over time. Coated with robust waterproof protection to guard against moisture, corrosion, and electrical leaks. Designed to increase insulation performance and extend service life. Reliable Performance and Safety Built with improved power chips, optocouplers, and regulated power modules for consistent operation. Provides builtin safeguards against overheating, overvoltage, and short circuits. Enhances energy efficiency while reducing risk of system failure. Solves Common Heater Issues Addresses common problems such as heaters failing to start, blank or unresponsive display panels, and slow water heating. Restores heating speed and functionality. Improves response times for reliable daily use. Practical Applications 1. Residential Pools: a failing control board to quickly restore dependable water heating, keeping your pool at the temperature yearround. 2. Spa Systems: Maintain consistent, comfortable heat in your spa with a control board that ensures smooth and safe operation. 3. Commercial Facilities: Ideal for gyms, hotels, and aquatic centers that cannot afford downtime due to heater malfunctions. Specifications Material: FR2 copper laminate with waterproof coating Electrical Components: Solidstate capacitors, improved power chips, regulated modules, optocouplers Compatible Heater Series: Pentair Mastertemp (400, 300, 250, 200) and StaRite MaxETherm (SR200NA, SR333NA, SR400NA, SR200HD, SR333HD, SR400HD, 460805; NA and LP series) Function: Electrical control and regulation for pool and spa heaters This replacement control board provides a dependable upgrade to keep your heating system performing safely and efficiently. It is engineered to handle demanding environments while protecting against common electrical failures, making it a trusted solution for both residential and commercial heater maintenance.