The Lockshield 15mm Angle Radiator Valve is a high-quality, durable heating accessory manufactured by Supaplumb. This unit is compatible with various brands and models, making it a versatile option for both new and existing heating systems. Crafted from materials like bronze, silver, brass, and copper, this lock shield valve is designed to last. With a 22mm 3/4" nut size and a compact height of 4 inches, this product is suitable for use with wall heaters, central heating radiators, underfloor heating systems, and heat pump split systems. Made in the United Kingdom, this valve is a reliable choice for efficient heating control.