This 1/2" normally open valve has a flow capacity of 4.6CV and is designed to operate within a pressure range of 3-6 pounds. The valve is enclosed for added protection and durability, making it suitable for use in various HVAC applications. Manufactured by a reputable brand, this valve is reliable and efficient, ensuring optimal performance and longevity. Its compact size allows for easy installation and maintenance, making it a popular choice among HVAC service technicians.