420020007S Control Board Kit for MasterTemp and StaRite Pool and Spa Heaters Upgrade and restore your heater's performance with the reliable 420020007S Control Board Kit, designed to deliver efficient operation, longlasting durability, and broad compatibility with industryleading MasterTemp and StaRite heater models. Key Features and Benefits Broad Compatibility Compatible with all MasterTemp NA and LP series pool and spa heater electrical systems. Fits MasterTemp 200, 250, 300, 400, and 400HD control boards. Fully compatible with StaRite MaxETherm SR200NA, SR333NA, SE400NA, SR200HD, SR333HD, and SR400HD control boards. Ensures a seamless replacement without the need for complicated modifications. Build Quality Manufactured using FR2 copper foil laminate for dependable electrical conductivity. Upgraded solidstate capacitors designed for extended service life. precision soldering techniques enhance component stability and reduce risk of failure. SR waterproof coating provides strong insulation, moisture resistance, and protection against electrical leakage. Built to endure demanding outdoor and poolside environments. Enhanced Performance Integrated solidstate capacitors and power chips improve operational efficiency and responsiveness. Upgraded optocoupler module and regulated power module offer overheat, overvoltage, and short circuit protection. Ensures faster output control, optimized heating cycles, and consistent water temperature. Reduces maintenance needs by operating more efficiently and reliably over time. Functional Benefits Designed to improve heater performance while lowering operational costs by reducing pump run time. Helps restore proper heating responsiveness when the original control board fails. Ideal solution for problems such as heater not starting, unlit display, or slow water heating. Combines efficiency and reliability to meet pool and spa owners' needs yearround. Practical Applications 1. Pool Heating Efficiency Maintain a stable water temperature for recreational swimming by replacing a faulty control board that delays or interrupts heating cycles. 2. Spa Comfort and Reliability Ensure spa water heats quickly and evenly, allowing for consistent comfort during cold or variable weather conditions. 3. Commercial Facility Maintenance for gyms, hotels, or aquatic centers using compatible MasterTemp or StaRite heaters, where downtime needs to be minimized and heating systems kept in peak condition. Specifications Model: 420020007S Control Board Kit Compatible heater series: MasterTemp NA and LP, StaRite MaxETherm SR and SE series Materials: FR2 copper foil laminate, solidstate capacitors, SR waterproof coating Features: precision soldering, optocoupler module, regulated power module Protection: Overheat, overvoltage, short circuit Choose the 420020007S Control Board Kit for a dependable solution that restores your heater's performance, extends its lifespan, and keeps your pool or spa water at the temperature efficiently and reliably.