The Danfoss Ras-C2 Angled Thermostatic Radiator Valve and Lockshield is a high-quality brass valve designed for use in a hydronic heating system with a boiler. This valve from the reputable brand Danfoss features a multi-positional system configuration, a white colour, and a dial, rotary knob, and analog/mechanical control style for easy adjustment. It includes a thermostat and is suitable for radiators in both horizontal and vertical orientations. With over 5 heat settings and a timerless operation, this valve is efficient and reliable for maintaining optimal heating levels in your home.