SPARES2GO 15mm x 10mm Pushfit Radiator Valve Chrome Reducing Elbow Stem Compression (Pack of 2) : Amazon.co.uk: DIY & Tools
Amazon.com: Danfoss RAS-C2 013G6007, Radiator Thermostat with Elbow Push Fitting - Maximum User Flexibility, for Use in 2-Pipe Central Domestic Heating Systems (White) : Automotive