Thermostatic Temperature Control Thermostatic valves are fantastic for ensuring you have a constant stable temperature without any unplanned temperature rises which waste energy. The valve contains a regulating element which controls the valve opening, maintaining your desired temperature at all times. Simply twist the head to select the heat number you would like and sit back and wait for your radiator to kick into action! Angled Radiator Valve As the name suggests an angled radiator valve connects to the radiator at a 90-degree angle. They're used when your central heating pipes come out of the wall. Angled valves give a neater look and show less pipework than a straight valve. Lockshield Valve Included Along with the thermostatic radiator valve, also included .