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
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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