Auto Balancing Technology: The Drayton Auto Balancing TRV4 Classic ensures that your heating system operates efficiently by automatically balancing the water flow to each radiator. This feature helps to prevent hot and cold spots, ensuring a comfortable temperature in every room Thermostatic Control: Equipped with advanced thermostatic control, this radiator thermostat valve allows precise temperature regulation for individual radiators. Adjust the valve to your desired setting and enjoy consistent warmth and comfort High-Quality Construction: Built to last, the Drayton TRV4 Classic 15mm angled is constructed from robust materials that guarantee long-term durability and reliability. The sleek and classic design seamlessly integrates with any décor, adding both functionality and style to your home Lockshield Included: The included lockshield valve ensures that your radiator system is securely sealed and balanced. This feature makes maintenance easier and ensures that your system operates at peak efficiency. Lockshield must be fitted on the return pipe Easy Installation: Designed for quick and hassle-free installation, the Drayton TRV4 Classic radiator valve can be fitted to most radiators with minimal effort. The user-friendly design ensures that you can enjoy the benefits of this high-quality valve without the need for professional installation, Manufacturer: Drayton