This 1/2" valve is designed for use in HVAC systems and features a normally open configuration with a 1.8CV flow capacity. It operates within a pressure range of 4-8 pounds and comes enclosed for added protection. The valve is manufactured by Johnson Controls, a trusted name in the industry known for producing high-quality products. With its reliable performance and durable construction, this valve is an excellent choice for HVAC service technicians looking to ensure optimal system functionality.