After the PE tube is inserted into the ball valve fixing nut, pull out the PE
tube with sufficient operating length, insert the PE tube into the fixing screw
of the ball valve base, and then screw the fixing nut into the fixing screw
and tighten it with a wrench to set the ball valve in the closed position. At
this time, the three-way ball valve and PE pipe are installed and connected.
Then insert the other end of the PE pipe into the1/4” straight-through quick
connector, and the other end of the quick connector is connected to the
bottom interface of the faucet adapter B, and the under-counter part is