QUALITY AND DESIGN: Our Corner Thermostatic Valves for vertical and horizontal radiators are high quality and stylish, designed to give a modern look to your panel, column radiator, flat tube black radiator, or towel rail. These anthracite valves are made from brass and have a matt finish. FEATURES: Our elegant radiator lockshield valves and TRV radiator valves are the best on the market as they give you peace of mind knowing you are buying a quality product that will provide your home with heating during the frosty days of winter. MULTI-TEMPERATURE CONTROL: Anthracite Thermostatic Radiator Corner Valves come with liquid sensor mechanisms and frost protection mode. The liquid sensor mechanisms inside that shut off the flow of hot water to the radiator when the room temperature reached the desired level while frost protection mode automatically opens the valve a little bit, even when fully switched off if the temperature of the room drops below a certain level. APPLICATIONS: These valves can be used on Towel Rails, Column Radiators, Panel Central Heating Radiators, and Vertical Flat Tube Radiators. Are you confused about which radiator valves you need? Please Use the table to find out which shape radiator valve you need. About Us: At UK Radiators, We provide the best heating hardware such as thermostatic radiator valves, white radiator valves, anthracite radiators, black radiator valves, and black towel radiators among many more high-quality durable products.