The GENBRA 28mm Lever Ball Valve Dual Full Bore (Item No. BFLBVD-28) is a WRAS approved brass valve ideal for hot water systems. Designed with a full bore for maximum flow efficiency, it features a robust metal lever handle and includes both red and blue interchangeable PVC sleeves (patent pending) for easy identification. Comes complete with pre-loaded olives in compression nuts for a fast, secure fit.