General description The NRG Thermostatic TRV Manual Radiator Valves are designed to provide efficient temperature control for your heating system. With a high-quality satin nickel finish, these valves not only perform well but also add a touch of elegance to your radiators. Technical specifications High quality satin nickel finish Compact design Industry standard 15mm connection 1/2" BSP MI outlet Compatibility and accessories Pack includes one straight thermostatic radiator valve Pack includes one straight manual radiator valve