Kartell Twin Pack 15mm TRV & Lockshield Style Angled - TPLSTRVSA Thermostatic Radiator Valve Features: Energy Efficient Adjustable Tail Piece High Performance Liquid Thermostatic Sensor Six settings on radiator thermostatic valve including frost protection Max Pressure 10 bar Bi-Directional Thermostatic Radiator Valve Body Complies with EN215 regulations Fully Reversible Simple Installation