LavaTherm Thermostatic Radiator Valve TRV 15 mm Straight Energy Saving Central Heating Premium Brass Replacement and Lockshield Chrome

Complete TRV + Lockshield Twin Pack: Includes one thermostatic radiator valve (TRV) and one matching lockshield valve — a full set ready for standard 15 mm UK radiator installation Fast-Reacting Liquid-Sensor TRV for Energy Saving: The TRV’s built-in liquid-filled sensor (rather than simple manual adjustment) automatically opens or closes the valve based on room temperature — helping prevent overheating and reduce wasted energy Balanced Heating System Performance: The lockshield valve regulates return flow from the radiator, balancing the heating system so every radiator heats evenly — avoiding hot or cold spots Universal 15 mm Compatibility: Designed for standard 15 mm UK central-heating pipework, compatible with most existing radiators and boilers — ideal for upgrading or replacing older valves Energy-Efficient Heating & Cost Savings: The combination of automatic thermostatic control and proper flow balancing helps to reduce energy waste and may lower your heating bills compared with manual valves Stylish Finish Options & Easy Installation: Available in modern finishes (e.g. Black, Anthracite, Brass, Chrome) to match your home; supplied as a complete valve pair — no extra components needed