Kohler K-306 Manual de usuario
Installation Guide
Pressure Balancing Valve
Mproduct numbers are for Mexico (i.e. K-12345M)
Los números de productos seguidos de
Mcorresponden a México (Ej.
K-12345M)
Français, page “Français-1”
Español, página “Español-1”
K-306
1012679-2-C
IMPORTANT INSTRUCTIONS
READ AND SAVE FOR THE
CONSUMER
WARNING: Risk of scalding or other severe injury.
•Before completing installation, the installer must set the
maximum water temperature setting of this valve to minimize the
risks associated with scalding hazards according to ASTM F 444.
•Do not install a shut-off device on either outlet of this valve. The
installation of any such device may create a cross-flow condition
at the valve and affect the water temperature.
•Factors that change the temperature of the water supplied to the
valve, such as seasonal water temperature changes, and water
heater replacement or servicing, will change the maximum water
temperature supplied by the valve and may create a scalding
hazard.
•The pressure-balanced valve will not compensate for changes in
the water supply temperature; adjust the maximum water
temperature setting of this pressure-balanced valve when such
changes occur.
•Pressure-balanced valves may not provide protection against
scalding if there is a failure of other temperature-limiting devices
elsewhere in the plumbing system.
The installer is responsible for installing the valve and adjusting the
maximum water temperature of this valve according to instructions.
This valve meets or exceeds ANSI A112.18.1 and ASSE 1016.
If you do not understand any of the installation or temperature
adjustment instructions in this document, in the United States please
contact our Customer Service Department at 1-800-4-KOHLER.
Outside the U.S., please contact your distributor.
IMPORTANT NOTICE TO INSTALLERS! Please fill in the blanks in
the information box in the Homeowners Guide and on the valve label.
Retain the Homeowners Guide for future reference.
1012679-2-C 2 Kohler Co.
Tools and Materials
Thank You For Choosing Kohler Company
We appreciate your commitment to Kohler quality. Please take a few
minutes to review this manual before you start installation. If you
encounter any installation or performance problems, please don’t
hesitate to contact us. Our phone numbers and website are listed on
the back cover. Thanks again for choosing Kohler Company.
Before You Begin
WARNING: Risk of product damage. When using this valve in
a fiberglass or acrylic installation, use the thin wall installation
kit (88526).
CAUTION: Risk of product damage. This valve contains plastic
and rubber components. Do not apply excessive heat to the
valve body when soldering.
CAUTION: Risk of product damage. Do not apply flux or acids
directly to the valve, as damage may result.
CAUTION: Risk of product damage. Do not apply
petroleum-based lubricants to the valve components, as damage
may result.
IMPORTANT! The installer is responsible for installing the valve
and adjusting the maximum water temperature of this valve
according to instructions.
Observe all local plumbing and building codes.
Pipe
Wrench Adjustable
Wrench Strap
Wrench Hacksaw or Tubing Cutter
Propane
Torch
Solder
Hex
Wrench
Thread
Sealant
Plumbers
Putty
Assorted
Screwdrivers Thermometer
Kohler Co. 3 1012679-2-C
Before You Begin (cont.)
This valve requires a minimum operating pressure of 15 psi (103.4
kPa).
The valve shuts off by water pressure. Do not force the handle in
any direction. To turn the valve off, gently turn it to the ″Off″
position.
Flush all piping thoroughly before installing this valve.
If inlet conditions differ from those used during factory
calibration, it may be necessary to re-calibrate the valve after
installation.
Do not use plastic pipe between the valve and the spout. Kohler
recommends the use of 3/4″copper tube. Iron pipe is not
recommended.
This valve does not have an integral aspirator. For installations
that use a bath diverter spout, you must install a twin ell (K-9663)
with integral aspirator between the valve and the bath spout. If
these thermostatic mixing valves are installed without an
aspirator it will cause water to flow from the shower and bath
spout at the same time.
Kohler Co. reserves the right to make revisions in the design of
products without notice, as specified in the Price Book.
1. Prepare the Site
IMPORTANT! If the bath has been installed, cover it to prevent
damage to the bath surface.
Rough Plumbing
Shut off the main water supply.
Install or relocate the supplies as necessary.
Support Framing
Determine the location of the valve, and install the support
framing.
1012679-2-C 4 Kohler Co.
2. Complete the Finished Wall
CAUTION: Risk of product damage. This valve contains plastic
and rubber components that may become damaged if soldering
heat is applied directly to the valve body.
CAUTION: Risk of damage to the K-306-KS valve assembly.
When using the K-306-KS HiFlow Valve in a fiberglass or acrylic
installation, use the Thin Wall Installation Kit (88526).
NOTE: Thick wall installations are typically tile, plaster, marble, or
similar materials. Thin wall installations are typically fiberglass and
acrylic.
NOTE: Do not adjust the maximum water temperature at this time.
Thick Wall Installation
Provide a 5-9/16″(14.1 cm) diameter hole in the wall material.
The flat front surface of the plaster guard must be flush with the
finished wall.
Complete the finished wall.
Plaster Guard
Dome
Finished
Wall
5-9/16" D.
(14.1 cm)
1/2"
(1.3 cm)
2-1/4" to 3"
(5.7 to 7.6 cm)
Rough-In Depth
Attachment Hole
Backing Plate
Backing Plate
Plaster Guard
Outer Ring
Valve Stem
Dome
Finished
Wall
Plaster
Guard
2-1/4" (5.7 cm)
Rough-In Depth
4" D. (10.2 cm)
Kohler Co. 5 1012679-2-C
Complete the Finished Wall (cont.)
Do not remove the plaster guard until instructed.
Thin Wall Installation
Remove the plaster guard from the backing plate.
Twist the plaster guard dome to separate it from the outer ring.
Discard the outer ring.
Slide the dome over the valve stem.
Provide a 4″(10.2 cm) diameter hole in the wall material.
Make openings for the stops (if included) by using the holes in
the backing plate as a guide.
Secure the backing plate to the back of the wall material.
Do not remove the dome until instructed to do so.
1012679-2-C 6 Kohler Co.
3. Install the Valve – Single Showerhead Only
Install the valve on the support framing so the ″UP″mark on the
valve is facing upward.
Connect the water supplies to the valve body using elbows, 3/4″
copper tubing or pipe, and adapters (if needed). Use thread
sealant on all threaded connections.
IMPORTANT! Secure the piping to the framing.
Temporarily install a 1/2″nipple to the shower elbow so it
extends at least 2″(5.1 cm) beyond the finished wall.
Hot Supply
72"-78"
(182.9 - 198.1 cm)
To Floor (Typical)
Temporary
Nipple
Cold
Supply
3/4" Adapter or
Solder Direct
3/4"
Elbow
3/4"
Copper
or Pipe
48" (122 cm)
To Floor
Kohler Co. 7 1012679-2-C
4. Install the Valve – Bath/Shower Application
NOTE: For installations that use a bath diverter spout and a
showerhead, install a twin ell (K-9663) between the valve and the
spout.
Install the valve on the support framing so the ″UP″mark on the
valve is facing downward.
If the hot water supply is connected to the cold inlet, the cap
assembly must be rotated 180° to ensure proper orientation; see
the enlarged view showing the cap rotated 180°.
Install elbows and adapters (if needed) to 3/4″copper tubing of
the proper length. Apply thread sealant, and connect the piping
to the bath and shower outlets of the valve.
This feature faces downward
for bath/shower installation.
To
Showerhead
Cold Inlet
Cold
Supply
Hot
Inlet
10"
(25.4 cm)
To Spout
Twin
Ell
Hot
Supply
1012679-2-C 8 Kohler Co.
5. Back-to-Back Valve Installation
Install both valves following the valve installation instructions.
The supplies to one of the valves will be reversed.
Remove the plaster guard, cap, cap assembly, and collar from the
valve with the reversed supply connections.
Rotate the cap assembly and collar 180° (tab on the bottom).
Reassemble and securely tighten the screws.
Reinstall the plaster guard.
This feature faces downward
for back-to-back installation.
Cold Supply 1"
Copper Tube
Hot Supply 1"
Copper Tube
180˚ Screws
Plaster Guard
Cap
Assembly
Kohler Co. 9 1012679-2-C
6. Multi-Showerhead Application Layout
F
E
A
D
C
B
1/2" Supply
1/2" Supply
1/2"
Supply
3/4"
Supply
3/4"
Supply
3/4"
Supply
A.
B.
C.
D.
E.
F.
K-306 HiFlow Rite-Temp™ Valve
Fixed Showerhead or
Handshower
Vacuum Breaker (for use with
Handshower)
Pressure Loop with Bodysprays
K-405 3-way Transfer Valve and
K-T9474 Trim
Showerhead
1012679-2-C 10 Kohler Co.
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