Beaumont Si301 Pair of Hot & Cold Heads and Valves - Chrome (Ultra). If you just want to replace the cartridges, the code of the cartridge used in this assembly is Ultra PR222 (link at the bottom of this page).
Ultra Si301 Dimensions
Diameter of thread: 20mm
Diameter of bo...
Sold Individually. If you need two, you will need to buy two. Ultra Si303 Beaumont 3/4" 1010 Head & Valve (Sl303) (5/8" BSP)
Diameter of thread: 29.7mm
Diemeter of bottom washer: 25.9mm
Total height (excluding rivet at bottom): 94mm
The Si303 Ultra finishing cartri...