This Altecnic Ecopac 15mm straight Thermostatic Radiator Valve Twin pack 200475 LTC is a great addition to your home heating system. The pack includes two thermostats, which ensure that your radiators are regulated efficiently, maintaining the desired temperature. The brand of this pack is Twin and it is suitable for use with central heating radiators. It falls under the categories of Heaters & Radiators, Heating, Cooling & Air, and Home, Furniture & DIY. If you are looking for a reliable and efficient way to regulate your radiator temperature, this pack is an excellent choice.