This floor heating manifold valve core, with its high-position structure and automatic spring mechanism, is engineered for optimal performance in underfloor heating systems. It ensures consistent water distribution and temperature control, contributing to a comfortable indoor environment. The robust design and excellent materials promise durability and reliability, making it choice for heating solutions. Features -Color:Golden -Material:Copper, iron -Size: 5.50X3.00X3.00cm/2.16X1.18X1.18in -Thread part: G1/2 and G3/4 -Handle part thread: G1/2 and M30 x 1.5 -Handle post diameter: 4 mm. -Recommended tube diameter: 40.8 mm. -High position structure: effectively prevents water backflow, ensuring the stable operation of the underfloor heating system -Shutoff spring valve core: provides precise control of water flow, enhancing the accuracy and efficiency of temperature regulation -Automatic reset: simplifies the operation process, allowing for quick of the underfloor heating system -Versatile use: suitable for all types of underfloor heating systems, ensuring stable heat distribution in both residential and commercial environments -Precision engineering: reduces maintenance requirements, maintaining excellent performance over longterm use and extending the system's service life Package list: 3 x Spring valve core