Step 1: Turn off the toilet water supply and empty the toilet tank
Step 2: Disconnect the flexible water supply pipe under the toilet tank.
Step 3: Before installing the rubber seal to the toilet tank, make sure the rubber seal sits properly on the T adapter adapter. Then reconnect the flexible water supply pipe to the bottom end of the T adapter
Step 4: Make sure the rubber seal is properly connected at both ends of the metal hose; connect one end of the hose to the open end of the T adapter and the other end to the nozzle.
Step 5: Lift the lid of the toilet tank and hang the nozzle on the edge of the tank.
Step 6: Open the valve of the water supply line (the valve was closed in step 1). Check for leakage and check again after 10 minutes. Use plumber tape for leaking connections.