The HERZ 1853211 is a genuine HERZ underfloor heating distribution set, meticulously engineered for efficient and precise control of 11 individual heating circuits. Crafted from high-quality stainless steel, this manifold features integrated flowmeters on each circuit, enabling individual adjustment and balancing for optimal system performance. It is equipped with a 1-inch internal thread main connection and 3/4-inch external thread circuit connections, maintaining a 50 mm center distance between connections. Designed for durability, it operates reliably at temperatures up to 80 °C and pressures up to 6 bar, making it an essential component for modern underfloor heating systems.