Schneider Electric (Barber-Colman) VK-7213-201-4-2 BRZ Valve Assembly is a precision HVAC control valve designed to regulate hot or chilled water flow in hydronic systems. The bronze valve body works with compatible electric actuators to modulate or shut off flow based on control signals, ensuring accurate temperature control. It is commonly used in air handling units, fan coil units, VAV boxes, and terminal units. Benefits include reliable performance, corrosion resistance, energy efficiency, reduced maintenance, and improved comfort control for commercial and institutional HVAC applications.