The Danfoss RAS-C2 TRV x10 is a set of timerless, multi-positional radiator valves that are designed for use with hydronic heating systems, specifically boilers. These valves come in a sleek white plastic material and offer 5 or more heat settings, making them versatile for different heating needs. The Danfoss brand ensures high-quality engineering and performance, while the inclusion of a thermostat adds convenience and precision to your heating control system. Whether your radiators are oriented horizontally or vertically, these valves are a reliable and efficient choice for maintaining optimal heat levels in your space.