Reviews Description: This heater has a small dial on one end for thermostatic control. The tube itself is white with light brown ends and light brown brackets. The flex is white and the plug top is white. Fixing Screws and Rawl Plugs are also included. Dimensions: The tube section including ends is 408mm long. The Heater when fitted will protude 80mm from wall. The tube diameter is approx 68mm. Full Installation Instructions Included with Heater.