This Bronze Angled Radiator Valve Pair is designed for use with 15mm pipes in a hydronic heating system, such as a boiler. The valves are timerless and multi-positional, allowing for easy control of the heating system. Made from chrome material, they add a touch of elegance to any room. The package includes a thermostat for added convenience in managing the temperature setting. Suitable for central heating radiators, these valves are a practical and stylish addition to any home heating system.