The Herz 1451312 PUMPFIX SOLAR DN20 PN10 is a genuine Herz solar pump station designed for efficient operation in solar thermal systems. This compact unit features a nominal diameter of DN 20 and is rated for a nominal pressure of PN 10. It includes essential components such as ball valves with integrated check valves, flow and return temperature gauges, a safety valve, manometer, filling/draining valves, and an air vent. The station is equipped with a circulation pump and is insulated with EPP for optimal thermal performance. It supports a maximum operating temperature of 160°C on the solar circuit and 120°C on the pump circuit, with a maximum operating pressure of 10 bar. Connections are G 1 1/2" internal thread.