380000007S Thermal Regulator Direct Replacement for Pool and Spa Heaters Product overview This thermal regulator is a direct replacement for part number 380000007S. It is designed to restore proper temperature control and reliable operation in compatible pool and spa heater models. Key benefits Restores temperature control and normal heater operation after a failed regulator. Direct replacement fit to match original mounting and electrical connections, reducing installation time. Helps prevent improper heating cycles by maintaining the heater temperature control function. Practical spare part for maintenance or field service to minimize downtime. Function and performance Function: Acts as the thermal regulation component for pool and spa heaters, monitoring and controlling water temperature and engaging safety cutout as required by the heater system. Performance: Engineered to match the original part number for fit and function in the listed heater models. Compatibility Fits Mastertemp pool and spa heaters: models 125, 200, 250, 300, 333, 400. Compatible with StaRite MaxETherm pool and spa heaters: SR200, SR333, SR400. Replacement for original part number 380000007S. Installation and use Designed as a fit component to align with the original regulator mounting points and electrical terminals. Intended for qualified installers or experienced technicians. Turn power to the heater off before beginning work and follow the heater manufacturer service procedures. Typical applications Residential pool heater : a failed regulator to restore heating after the heater fails to maintain set temperature. Seasonal maintenance: Swap the regulator during routine service to ensure consistent temperature control entering the peak season. Technician service kit: Keep as a stocked replacement part for onsite repairs to minimize customer downtime. What is included One 380000007S thermal regulator replacement unit compatible with the models listed above. Notes Confirm compatibility with your heater model and part number before ordering. Follow all manufacturer recommendations and safety procedures when installing replacement components.