420020007S Control Board Kit for MasterTemp and StaRite Pool and Spa Heaters Upgrade and restore your pool or spa heater's performance with this quality 420020007S control board kit. Designed for precision and durability, it provides reliable operation, improved heating efficiency, and cost savings on maintenance and energy. Key Features and Benefits: Broad Compatibility Fits all MasterTemp NA and LP series pool and spa heater electrical systems. Compatible with MasterTemp 200, 250, 300, 400, and 400HD models. Compatible with StaRite MaxETherm SR200NA, SR333NA, SE400NA, SR200HD, SR333HD, SR400HD heater control boards. Build Quality Made with FR2 copper foil laminate for conductivity and durability. Upgraded solidstate capacitors provide longer lifespan and stable performance. precision soldering techniques ensure consistent connections and fault operation. Robust SR waterproof coating offers insulation, moisture resistance, and leakage protection. Enhanced Performance Features optimized solidstate capacitors and power chips for reliable output. Improved optocoupler module and regulated power module deliver advanced heat, voltage, and short circuit protection. Faster output control supports quicker heating cycles and smoother heater operation. Engineered for dependable performance in demanding pool and spa environments. Functional Advantage Helps reduce pump run times and maximize heating efficiency, lowering overall operational costs. Designed to fix common heater issues such as failure to start, blank display, or slow water heating. Ensures better temperature control, quicker response times, and consistent heating performance. Practical Use Scenarios: 1. Replacement for a faulty or damaged MasterTemp or StaRite heater control board to restore normal operation. 2. Preventative upgrade to improve heater efficiency, reduce wear on pump systems, and save on energy bills. 3. Solution for troubleshooting heater malfunctions such as unresponsive displays, inconsistent heating, or repeated shutdowns. Specifications: Model: 420020007S Control Board Kit Material: FR2 copper foil laminate with solidstate components Compatibility: All MasterTemp NA and LP series, StaRite MaxETherm SRNA and SRHD models Protection Features: Overheat, overvoltage, and short circuit protection Coating: SR waterproof coating for insulation and moisture resistance Choose the 420020007S control board kit for reliable heat management, lower costs, and longlasting operation of your pool or spa heater.