General description This West Poppy TRV Angled Thermostatic Radiator Valve and Lockshield in Antique Brass is a traditional thermostatic radiator valve pair designed for durability and long-term use. Made from high-quality solid brass, it features an elegant antique brass finish, making it a stylish addition to any heating system. Technical specifications Valve Type: Thermostatic Position: Angled Connection Size: 1/2" BSP Pipe Size: 15mm Height: 142mm Width: 82mm Depth: 55mm Weight: 0.89 Kg Compatibility and accessories Includes one lock shield and one wheel head valve Supplied with decorators caps for full valve isolation Installation Can be installed on either the flow or return pipework of a radiator TRVs should be installed on the flow rather than the return pipework Requires a system automatic bypass valve for proper function Usage Used in conjunction with a system automatic bypass valve, which is a requirement for all new installations and boiler upgrades Important for avoiding