Key features:Perfect for saving energyLiquid sensor15mm inlet connectionBlack finishBoasting a black finish, control the heat output of your towel radiator or radiator and therefore your energy consumption which regulates output by measuring the heat of the room.Straight radiator valvesAs you would imagine, straight radiator valves connect to the central heating with the radiator being straight up from the floor horizontally. Straight valves are to be used when your heating pipes are coming out of the floor, the water runs through the valve and in a straight line, as the name suggests.Additional information:7-32⁰C Temperature RangeLockshield included2 year guarantee