Kohler K-308 Bedienungsanleitung

Installation Guide

Non-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-308

088841-2-AC

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

CAUTION: Risk of product damage. The valve contains plastic

components. Do not apply excessive heat if you solder the valve

connections.

Observe all local plumbing and building codes.

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.

Do not use plastic pipe between the valve and the spout. Use

1/2″nominal copper tube or 1/2″iron pipe.

Do not connect a deck-mount spout, diverter, or hand shower to

the spout outlet unless you cap the shower outlet on the valve.

Install a pipe or tube in a straight drop of 7″(17.8 cm) to 18″(45.7

cm) with only one elbow between the valve and the

wall-mounted spout. Other types of installation may cause

unsatisfactory shower performance.

Kohler Co. reserves the right to make revisions in the design of

products without notice, as speciﬁed in the Price Book.

Pipe

Wrench Adjustable

Wrench Strap

Wrench Hacksaw or Tubing Cutter

Propane

Torch

Solder

Hex

Wrench

Thread

Sealant

Plumbers

Putty

Assorted

Screwdrivers Thermometer

088841-2-AC 2 Kohler Co.

1. Prepare the Site

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.

Kohler Co. 3 088841-2-AC

2. Prepare the Valve

Carefully remove the stop nut and stem assembly, valve cap,

collar, and spacer before you apply soldering heat to the valve

body.

With Stops

Valve Body

Spacer

Screws

Collar

Less Stops

Valve

Cap

Stop

Nut

Stem

Assembly

088841-2-AC 4 Kohler Co.

3. Install the Valve

NOTE: Valve with stops shown throughout instruction.

Install elbows and adapters (if needed) to 1/2″copper tubing or

1/2″pipe of proper length. Apply thread sealant, and connect the

piping to the bath and shower outlets of the valve.

Shower Installation

72" (182.9 cm) –

78" (198.1 cm) to

Floor (Typical)

72" (182.9 cm) –

78" (198.1 cm)

to Floor (Typical)

Bath/Shower

Installation

4" (10.2 cm)

10"

(25.4 cm)

48" (122 cm)

to Floor Bath Ell

Bath Outlet

Hot Side

Shower Outlet

Shower Ell 1/2" Copper

or Pipe

1/2" Copper

or Pipe

1/2" Adapter or

Solder Direct

1/2" Adapter or

Solder Direct

Kohler Co. 5 088841-2-AC

4. Finish the Valve Body Installation

CAUTION: Risk of product damage. The valve body contains

plastic components. Remove the stop nut and stem assembly,

valve cap, and pressure balancing unit before you apply

soldering heat to the valve body.

Connect the water supplies to the valve body using elbows, 1/2″

copper tubing or pipe, and adapters (if needed). Use thread

sealant on all threaded connections.

IMPORTANT! Secure the piping to the framing.

Temporarily install 1/2″nipples to the bath and shower elbows

so they will extend at least 2″(5.1 cm) beyond the ﬁnished wall.

If you removed the inner valve components for soldering,

carefully reinstall them now.

Valve Body

Spacer

Screws

Collar

Valve

Cap

Stop

Nut

Stem

Assembly

Temporary

Nipple

Temporary

Nipple

Cold

Supply

1/2"

Copper

or Pipe

1/2" Adapter or

Solder Direct

Hot Supply

1/2" Elbow

088841-2-AC 6 Kohler Co.

5. Back-to-Back Valve Installation

NOTE: Never install the valve body upside down.

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.

6. Installation Checkout

Install caps to the temporary bath and shower nipples.

Turn on the hot and cold water supplies, and check the new

installation for leaks.

Remove the caps from the temporary nipples.

Remove the plaster guard.

Turn the valve stem to the ″On″position, and cycle the control

through its operating range. Check for leaks.

For bath and shower installations, check the diverter system from

spout to showerhead.

Turn the valve off.

Screws

180˚

Tab

Collar

Valve

Body Cap

Assembly

Hot

Supply

Cold Supply

Plaster Guard

Kohler Co. 7 088841-2-AC

Installation Checkout (cont.)

If the valve has stops, rotate both stop adjustments fully

clockwise.

Turn the valve on and verify that water does not run.

Turn the valve off and rotate both stop adjustments fully

counterclockwise.

Reinstall the plaster guard.

088841-2-AC 8 Kohler Co.

7. Complete the Finished Wall

NOTE: Thick wall installations are typically tile, plaster, marble, or

similar materials. Thin wall installations are typically ﬁberglass and

acrylic.

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.

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.

Finished Wall

Plaster Guard

5-9/16"

(14.1 cm) D.

2-3/4" (7 cm) –

3-1/2" (8.9 cm)

Rough-In Depth

Thick Wall

2-3/4" (7 cm)

Rough-In Depth

Backing Plate

Outer Ring

Dome

Wall Material

Plaster Guard

Valve Stem

Backing Plate

4" (10.2 cm) D.

ThinWall

Kohler Co. 9 088841-2-AC

8. Water Temperature Adjustment

CAUTION: Risk of personal injury. The water temperature

should never be set above 120° F (49° C).

NOTE: Do not remove the O-ring and collar at this time. Removing

the O-ring and collar will change the factory setting for the

maximum water temperature.

Turn the valve clockwise to the full open position and let the hot

water run for several minutes. Position a thermometer in the

water stream and check the temperature.

For minor water temperature changes, adjust the setscrew, and

recheck the water temperature.

For major water temperature changes, remove the O-ring and

collar from the valve stem. Slowly rotate the valve stem until the

desired maximum water temperature is reached.

Reinstall the collar on the valve stem with the setscrew against

the side of the tab.

Reinstall the O-ring, rotate the valve stem counterclockwise to

shut the water off.

Recheck the water temperature.

Complete the information on the valve label (if supplied).

Setscrew Tab

Collar Valve

Label

O-Ring

Valve

Stem

088841-2-AC 10 Kohler Co.

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