The AERCO Boiler and Water Heater 69170 Electric Control System Actuator is a motorized control component designed for HVAC boiler and water heating systems. It operates by receiving electrical control signals and adjusting valves or dampers to regulate flow, temperature, or combustion processes. Commonly used in commercial boilers and water heaters, it supports precise system control... https://www.partshnc.com/69170-aerco-boiler-and-water-heater-actuator-elect-control-system