The Herz M7XR2T (Herz Item No. 1420621) is a genuine Herz SMART Combi-Valve DN15, a pressure independent control valve (PICV) engineered for precise hydronic balancing and temperature control in heating and cooling systems. This 1/2 inch nominal diameter valve ensures optimal flow rates regardless of pressure fluctuations, significantly enhancing system efficiency. It features external G 3/4 (ISO 228/1) threads for secure connection to Herz screw fittings and is compatible with various Herz actuators for automated operation. Constructed with a durable brass body, stainless steel stem, and EPDM seals, this valve offers reliable performance across a wide temperature and pressure range, making it suitable for demanding industrial and commercial HVAC applications.