Attach supply lines . Do not over tighten. Turn water back on. | Hoses | 61/2 | G 1/2" standard pipe — connection | included Turn faucet handles (1) all the way on. Turn on hot and cold water supplies and flush water lines for one minute. Important: This flushes away any debris that could cause damage to internal parts. (per-installed in the conical Twist here (2)to switch nut) bath to shower Pull hose to its furthest extension and hold it down into the tub.