The Danfoss RA2910 Fixed Sensor Thermostatic Radiator Valve Head is a white unit designed for a boiler heating system. This thermostat-equipped valve head, with the product code 013G2910, is a single unit ideal for maintaining energy efficiency in heating control. Made by the reputable brand Danfoss, this radiator valve sensor head is a reliable and efficient component for regulating the temperature in your home.