Kohler K-28238-GKE Installation Instructions Manual page 9

1/2"-14 NPT Elbow
1" (25 mm)
Minimum –
1-1/4" (32 mm)
Maximum
Supply Piping
2. Install the Supply Adapter
For New Construction Installations
CAUTION: Risk of property damage. Water leakage may
occur if supply piping allows movement. Ensure the supply
piping and 1/2"-14 NPT elbow fitting are securely fastened to
braces in the stud framing.
IMPORTANT! This guide includes the installation sequence for the
shower column only. Refer to the manufacturer's instructions for
installation of the mixing valve, mixing valve trim, and spout.
Rough-in the mixing valve, supply piping, and bath spout
connection appropriate for your installation.
Refer to the "Roughing-in" section in this guide for proper
location of the 1/2"-14 NPT elbow fitting inside the wall.
Ensure that the supply piping and 1/2"-14 NPT elbow fitting are
securely fastened to the stud framing.
Kohler Co.
1/2"-14 NPT Elbow
Supply
Adapter
3/8" Hex
Wrench
7 1189046-2-A