General description This West Faringdon Angled Thermostatic Radiator Valve and Lockshield is designed with a traditional style, featuring a durable solid brass construction and an attractive un-lacquered brass finish. It is engineered for long-term use and includes a frost protection feature for added reliability. Technical specifications Material: Brass Colour: Un-Lacquered Brass Type: Thermostatic Position: Angled Connection Size: 1/2 BSP Pipe Size: 15mm Height: 142mm Width: 74.2mm Depth: 34mm Weight: 0.79 Kg Standards: CE, EN215:2004+A1:2006, EN1489:2000 Compatibility and accessories Can be installed on either the flow or return pipework of a radiator Requires a system automatic bypass valve for proper function Installation TRVs are installed on the flow rather than the return pipework of a radiator All bi-directional TRVs from any manufacturer require a bypass valve to function correctly and avoid radiator hammer Usage Ideal for domestic heating systems Provides temperature