Kohler K-306 Bedienungsanleitung

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)

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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

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.

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

1/2" Supply

1/2"

Supply

3/4"

Supply

3/4"

Supply

3/4"

Supply

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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