Danfoss RAS-C2 10MM Push Fit Thermostatic Radiator Valve | UK Plumbing
Danfoss RAS-D2 Angle TRV and Lockshield 8/10/15MM-013G6016 for Two-Pipe Domestic Heating Systems - Frost Protection Setting, High Accurate Temperature Control - Bi-Directional Valve (Chrome) : Amazon.co.uk: DIY & Tools