Emerson Flow Control (Alco) 039917 1/2" NC Air Water Valve Lesscoil 5/250PSI

The Emerson Flow Control (Alco) 039917 1/2” NC Air Water Valve Lesscoil 5/250PSI is a solenoid air water valve for controlling the air water pressure within the range of 5-250 PSI. This is a 1/2” valve and its state is normally closed that is, it is closed when the power supply is switched off. It works with the help of an external solenoid coil, which helps to open and let fluids pass through. It is used in a wide variety of HVAC systems, most especially in humidifiers, dehumidifiers, and other control systems that control the rate of air and water flow.