The Emerson Flow Control (Alco) 057349 Openframe/Spaded Coil AMS 120V is a high-quality electromagnetic solenoid coil designed to operate compatible refrigeration and HVAC control valves. Powered by a 120V supply, it generates a magnetic field that actuates the valve, enabling precise control of refrigerant flow during system operation. Commonly used in air conditioning systems, refrigeration units, heat pumps, and commercial cooling equipment, this coil supports reliable valve performance, improved system efficiency, and accurate temperature regulation. Its durable construction, dependable operation, and easy installation help minimize downtime while ensuring consistent HVAC and refrigeration performance.