The West Elegance TRV Thermostatic Radiator Valve and Lockshield, Straight, Chrome is from the extensive range of radiator valves of West Radiators. Offering great value and tremendous design you expect from a specialist, West Radiator valves provide great service to you the customer. This value-for-money model will give you years of reliable service. Features and Benefits: Modern thermostatic straight radiator valve pair Manufactured from high-quality material and is extremely durable for long-term use Constructed from brass and plastic Comes in Chrome finish Compression Inlet(s) 15mm Frost protection feature for added reliability Radiator Coupler 1/2" BSPT - Male One wheel-head and one mini wheel-head TRV's are installed on the flow rather than the return pipework of a radiator Used in conjunction with a system automatic bypass valve This thermostatic valve can be installed on either the flow or return in any orientation System automatic bypass valves are a specific building