420020007S Control Board Kit for MasterTemp and StaRite Pool and Spa Heaters Upgrade your pool and spa heating system with the reliable 420020007S Control Board Kit, designed for exceptional performance, durability, and compatibility. Key Benefits and Features: Broad Compatibility Compatible with all MasterTemp NA and LP series pool and spa heater electrical systems. Works seamlessly with MasterTemp 200, 250, 300, 400, and 400HD control boards. Fully compatible with StaRite MaxETherm SR200NA, SR333NA, SE400NA, SR200HD, SR333HD, and SR400HD control boards. Construction Built using quality FR2 copper foil laminate for stability and long service life. Includes upgraded solidstate capacitors and durable power chips for improved reliability. Manufactured with precision soldering techniques to ensure strong connections and consistent performance. Features SR waterproof coating for insulation, enhanced moisture resistance, and protection against electrical leakage. Enhanced Performance Equipped with an improved optocoupler module and a regulated power module to safeguard your heater with overheat, overvoltage, and short circuit protection. Offers faster output control and efficient operation for heating performance. Designed to help maintain consistent water temperatures while reducing wear on heater components. Functional Advantages Reduces unnecessary pump running time, improving energy efficiency and lowering operating costs. Solves common heater control issues such as failure to start, unlit display, or slow water heating. Ensures better heating speed, quicker response times, and more reliable operation. Practical Applications: 1. Home Swimming Pools – Maintain a warm, comfortable swimming environment with improved heating efficiency, allowing for extended swimming seasons. 2. Residential Spas – Achieve precise and reliable heating for your spa, ensuring consistent water temperature and reduced energy consumption. 3. Commercial Pool Facilities – Keep large pools and spa systems operating efficiently, minimizing downtime due to heater control failures. Specifications: Model: 420020007S Control Board Kit Compatibility: MasterTemp NA and LP series, StaRite MaxETherm series Materials: FR2 copper foil laminate, solidstate capacitors, waterproof protective coating Protective Features: Overheat protection, overvoltage protection, short circuit protection Choose the 420020007S Control Board Kit for a dependable solution to heater control issues. Engineered for compatibility, durability, and performance, it is the ideal upgrade for keeping your pool or spa comfortable while reducing operational costs.