Installation Instructions For Use With KB's Double Offset Bath Supply BEFORE BEGINNING INSTALLATION 1. Flush plumbing lines to clear debris in pipe and plumbing lines to avoid existing clogs info waterway & cartridge system of new faucet fixture. 2. Shut off both supply lines after flushing ASSEMBLY INSTRUCTIONS FOR HANDLES Laval Handles Lever Handles : Broach 1.Be sure the broach screws Allen wrench Broach ara foresightedness installing the lever shandies.