105833-2-AA (A)
Copyright 1998 Kohler Co.
VACUUM BREAKER
BEFORE YOU BEGIN
HOW TO USE THESE INSTRUCTIONS
Please read these instructions carefully to familiarize
yourself with the required tools, materials, and installation
sequences. Follow the sections that pertain to your
particular installation. This will aid you in avoiding the
unnecessary expense associated with improper
installation. In addition to proper installation, read all
operating and safety instructions.
All information in these instructions is based on the latest
product information available at the time of publication.
Kohler Co. reserves the right to make changes in product
characteristics, packaging, or availability at any time
without notice.
NOTES
Review all local plumbing and building codes.
Bottom of vacuum breaker must be positioned at
least 6” above fixture rim. Local codes may differ.
Piping should run downward, regardless of rough-in
height.
**Variation and/or finish/color code may be required
when ordering.
CAUTION: Risk of product damage. Do not
subject vacuum breaker to continuous pressure for
more than 12 hours.
TOOLS AND MATERIALS REQUIRED
Seat wrench (Kohler #21261) or 7/16” square bar
Hex head wrench, 5/32”
Thread sealant
ROUGHING-IN
Fig. #1
3-3/8”
3-7/8”
4-1/4”
3/8”
1”
1”
1-3/8”
FINISHED
WALL
3/8”
7/8”
2” D.
1/2” I.P.S. OUTLET
1/2” I.P.S. INLET
Rough-in inlet and outlet piping using Fig. #1.
NOTE: Locate outlet piping at the top and inlet piping at
the bottom.
2
105833-2-
AA (A)
Kohler Co., Kohler, WI
INSTALLATION
Install two 1/2” I.P.S. nipples on inlet and outlet piping to
extend to outside edge of finished wall.
Place wall bracket over nipples. Insert sleeves into wall
bracket and thread onto nipples. Tighten sleeves using
seat wrench or 7/16” square bar.
Install an O-ring on vacuum breaker inlet and outlet ports.
Lubricate O-rings to ease assembly.
Slide vacuum breaker inlet/output ports into sleeves in
wall bracket and secure with two socket head screws. Use
5/32” hex head wrench.
Fig. #2
1/2” I.P.S. Nipples
Wall Bracket
Sleeve
O-Ring
Socket
Head
Screw
Outlet Port
Inlet Port
1-3/8”
Vacuum Breaker
Body
Finished
Wall
Socket Head
Screw
NOTE: Do not install shroud until all construction and
rough installation is complete.
Place shroud over vacuum breaker with cut-out over
input/output ports and threaded pin through hole at top of
shroud.
Thread cover onto threaded pin until hand-tight.
Fig. #3
Cover
Slot
Shroud
Threaded Pin
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