Kohler K-6918 Installation And Care Manual page 6

Inlet Pipe
X
X
Outlet Pipe
Y
Y
3. Cut the Pipes
Measure the distance between the two marks on the inlet pipe to
determine "X."
Measure and mark "X" from the end opposite the gasket on the
inlet pipe.
Cut the inlet pipe at this location.
Measure the distance between the two marks on the outlet pipe
to determine "Y."
Measure and mark "Y" from the end opposite the gasket on the
outlet pipe.
Cut the outlet pipe at this location.
Use a file to remove all rough areas on the cut end of each pipe.
1287824-2-A 6 Kohler Co.