General description Thermostatic TRV Radiator Valves feature a modern design and are suitable for central heating radiators or towel rails. They are bi-directional and include frost protection, making them a reliable choice for temperature control. Technical specifications Connections: 15mm inlet, 1/2" BSP outlet Material: ABS/Brass Colour: Black Sensor Type: Liquid Temperature Range: 7 - 28 Degrees C Installation We suggest you ask a qualified plumber to install this item. Other information Images for illustration purposes - colours may differ depending on your device screen and lighting.