Code: OB SHM Finish: Chrome Faceplate: 120mm x 120mm Barrel Diameter: 42mm Backset: (Mounting Minimum: 50mm board to front of lining) Maximum: 70mm Diameter: Installation Hole Minimum: 42mm Maximum: 100mm Inlets: 1/2” BSP male Outlet: 1/2” BSP male Cartridge: Mondo 35K Flat base