Kohler K-13680 Manual Del Usuario página 6

Valve Assembly
2. Install the Valve Assembly
Place the flow restrictor into the recess at the inlet side of the
valve assembly. Attach the valve assembly to the stop assembly.
Note the "in" and "out" markings on the valve body; "in" should
be next to stop assembly. Do not fully tighten at this time.
Remove the appropriate tab before installing the backflow
preventer. Attach the elbow-shaped backflow preventer to the
valve supply assembly and tighten both union nuts on the valve
assembly.
111769-2-AB
Backflow
Preventer
6
Union
Nut
Remove
Tab.
Kohler Co.