4 5 6 Install faucet, do not tighten, measure the distance from the bottom of the faucet shank to the floor and subtract 2-5/8”, cut the supply line at that line. Install supply lines on faucet. It may be necessary to loosen tub faucet to allow enough space to insert supply line into straight stop valve. Insert brass nut, metal washer and rubber washer as shown on the supply line installation manual.