KOHLER K-728 Installation Manual

Installation Guide

Transfer Valve

K-728

M product numbers are for Mexico (i.e. K-12345M)
Los números de productos seguidos de
M corresponden a México (Ej.
K-12345M)
Français, page “Français-1”
Español, página “Español-1”

1145567-2-C

Tools and Materials

1/4"

Hex Wrench

Tubing Cutter Solder

Thread
Sealant

Propane
Torch

Plus:

• 1/2" Piping or Copper
Tubing for outlets

• 3/4" Piping or Copper
Tubing for inlets

• 1/2" NPT Plug

Before You Begin

IMPORTANT! Risk of product damage. Do not apply direct heat
to the transfer valve body. Excessive heat will damage the plastic
valve components and plaster guard.

Observe all local plumbing and building codes.

Do not remove the plaster guard from the transfer valve until
instructed to do so.

A mixed water supply is required for this transfer valve.

If less than three accessories will be installed, do not plug any
outlets on this transfer valve without completing the two-way
conversion. The transfer valve is not intended to be used as a
shut-off valve.

Carefully plan the installation before beginning. Carefully read
the entire instructions. Component location, spacing, and
situational requirements can vary.

Shut off the main water supply.

Inspect the waste and supply tubing; replace if necessary.

1145567-2-C 2 Kohler Co.

Plaster
Guard

Max
Finished

2-7/16"
(62 mm)

3-3/4"
(95 mm)

Wall

Min
Finished
Wall

Mixed Water
Supply 3/4"
Copper Tubing
or Piping

1. Prepare the Site

Provide a 2-7/8″ (73 mm) to 3-1/8″ (79 mm) diameter hole in the
wall material for the plaster guard.

2. For All Installations

Route the 3/4″ mixed water supply line to the transfer valve
location.

Apply thread sealant to the inlet port threads and connect the
water supply to the transfer valve inlet.

3. Three-Way Valve Installation

Install 1/2″ copper tubing or 1/2″ piping for all accessories.
Securely fasten the piping and outlet ells to the framing.

Install temporary 1/2″ nipples in the outlet ells so they extend a
minimum of 2″ (51 mm) beyond the finished wall.

Turn on the water supply to the transfer valve and check the
transfer valve for proper operation and leakage. Once everything
is verified, turn off the water.

Install caps on the temporary bath and shower nipples. Turn on
the water and check for leaks. Once no leakage is verified, turn
off the water.

Complete the finished wall.

Kohler Co. 3 1145567-2-C

E-Ring

Missing Tooth

Plaster Guard

Accessory # 2
Water Line

Detent

Spacer

Mixed Water Supply 3/4"
Copper Tubing or Piping

Accessory # 1
Water Line

Plug

1/2"
NPT Plug

4. Two-Way Valve Installation

Convert to a Two-Way Valve

IMPORTANT! If less than three accessories will be installed, do not
plug any outlets on this transfer valve without completing the
two-way conversion. The transfer valve is not intended to be used
as a shut-off valve.

Temporarily remove the plaster guard.

Rotate the detent until positioned vertically; see above
illustration.

Verify the missing tooth is oriented up.

Identify the plug at the center of the valve body and the spacer
underneath the detent.

Using a hex wrench, remove the plug. Discard the plug.

Plug the port that will not be used (either the left or right port)
with a 1/2″ NPT plug (not included).

Use pliers to remove the spacer from beneath the detent.

Push the detent down; ensure the points of the detent engage the
notches of the valve cartridge.

Install the spacer above the detent and under the E-ring.

Install the Two-Way Valve

Install 1/2″ copper tubing or 1/2″ piping for both accessories.
Securely fasten the piping and outlet ells to the framing.

1145567-2-C 4 Kohler Co.

Two-Way Valve Installation (cont.)

Install temporary 1/2″ nipples in the outlet ells so they extend a
minimum of 2″ (51 mm) beyond the planned finished wall.

IMPORTANT! When testing the valve operation, your selections
should be as follows: Accessory 1, Accessories 1 and 2, Accessory 2.
If your valve operates as follows: Accessory 2, Accessory 2,
Accessories 1 and 2; you will need to remove the spacer, rotate the
detent 180 degrees; then reinstall the spacer.

Turn on the water supply to the transfer valve and check the
transfer valve for proper operation and leakage. Once everything
is verified, turn off the water.

Install caps on the temporary bath and shower nipples. Turn on
the water and check for leaks. Once no leakage is verified, turn
off the water.

Reinstall the plaster guard.

Complete the finished wall.

Remove and discard the plaster guard.

Install the trim according to the installation instructions packed
with the trim.

Kohler Co. 5 1145567-2-C

Guide d’installation

Robinet coupleur

Outils et matériaux

Coupe-tuyauterie Soudure

Plus:

• Tuyauterie ou tubage en

1/4"

Clé hexagonale

Joint d'étanchéité
pour filetage

Chalumeau
à propane

Avant de commencer

IMPORTANT! Risque d’endommagement du produit. Ne pas
appliquer de chaleur directe sur le corps du robinet coupleur. Une
chaleur excessive endommagera les composants en plastique du
robinet ainsi que le protecteur de plâtre.

cuivre de 1/2" pour sorties

• Tuyauterie ou tubage en
cuivre de 3/4" pour entrées

• Bouchon NTP 1/2"

Respecter tous les codes de plomberie et de bâtiment locaux.

Ne pas retirer le protecteur de plâtre du robinet coupleur avant
d’obtenir des instructions spécifiques.

Une alimentation d’eau mélangée est nécessaire pour ce robinet
coupleur.

Si moins de trois accessoires seront installés, ne pas brancher de
prises sur ce robinet coupleur sans terminer la conversion à deux
voies. Le robinet coupleur n’est pas destiné à être utilisé en tant
que robinet d’arrêt.

Planifier soigneusement l’installation avant de commencer. Lire
avec attention les instructions dans leur intégralité.
L’emplacement des composants, l’espacement et les exigences
selon les circonstances peuvent varier.

Couper l’alimentation en eau principale.

Kohler Co. Français-1 1145567-2-C