• 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

Available in angled, corner or straight configurations, the LavaTherm TRV fits effortlessly into any radiator layout, making it ideal for new installations or retrofits. Choose from six premium finishes - White, Black, Chrome, Anthracite, Brushed Brass and Brushed Nickel - to complement your decor, whether you prefer a modern minimalist look or a classic traditional finish. Built for reliability, each valve is manufactured to high specifications with a maximum operating pressure of 10 bar and flow temperature up to 120C, ensuring long-term durability under demanding conditions. The thermostatic head offers an adjustable range from 7C to 32C, providing accurate temperature control that enhances comfort and efficiency throughout the home. Installation is simple, with standard 15 mm connections suitable for most UK radiator systems. Every LavaTherm TRV is individually tested for performance, leak resistance and build quality, backed by a two-year manufacturer guarantee for complete peace of mind. Perfect for homeowners, landlords and trade professionals alike, the LavaTherm thermostatic radiator valve range combines style, energy efficiency and long-term reliability - delivering better control, reduced energy waste and a superior finish for any heating system.