AAON Solenoid Valves use an electromagnetic coil to open or close a valve port, controlling the flow of gas or liquid in HVAC and refrigeration systems. This collection includes two-way and three-way solenoid valves rated for various pressure ranges and media, such as refrigerants, water, and air. By installing Aaon Solenoid Valves, service professionals can automate system functions—like refrigerant expansion or condensate line drainage—while ensuring precise, responsive control and reduced manual intervention.