The product is a set of modern H block twin radiator valves from Soak.com. Extra fitting included for both 15 and 16mm plastic pipe connection. These thermostatic valves are designed for central heating systems and are made from brass with a silver colour finish. The valves are multi-positional and can be mounted on the floor or wall. They feature a rotary knob control style and are powered by hydronic (hot water) systems. The timerless valves are suitable for horizontal or vertical radiator orientation, providing efficient heating control for any home.