Honeywell VT200 Valencia Classic Thermostatic Radiator Valve The Honeywell VT200 Classic TRV is top of its class for design, performance, quality and reliability. Its classical looks and unobtrusive design make it suitable for any heating installation. Key Features and Benefits: 15mm Angled Thermostatic Radiator Valve (TRV) Bi-Directional Flow Design Integrated Radiator Balancing Insert Can be Mounted Vertically or Horizontally Liquid Sensor Provides Consistent and Long-Lasting Performance EN215 and Keymark Certified Manufacturers 1 Year Guarantee