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INSTALLATION GUIDE
Kraus Stainless Steel
Undermount Kitchen Sink
KBU10 / KBU11 / KBU12 / KBU14 / KBU15/ KBU16 /
KBU17 / KBU21 / KBU22 / KBU23 / KBU24 / KBU25
/ KBU26 / KBU27 / KBU28 / KBU29
www.kraususa.com I Toll Free: 1.800.775.0703 I © 2017 Kraus USA Inc. I REV. January 11, 2018
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Congratulations on the purchase of your new
Kraus plumbing xture!
Please keep teh box and packaging materials until your product is
completely installed. If you have any questions, require technical
assistance, or have any problems with your product:
DO NOT RETURN TO STORE
Please contact our Customer Service Team
1-800-775-0703 / customerservice@kraususa.com
Have the model number available, and retain a copy of your receipt
with purchase date for reference.
If for any reason this product does not meet your expectations,
please be sure to repack this product in the original box and
packaging material to avoid damage during transit.
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Prior to Installation:
Make sure that you have all necessary parts by checking the parts list. If any part is
•
missing or damaged, please contact Kraus Customer Service at 800-775-0703 for a
replacement
• Inspect the sink prior to installation to make sure that it has not been damaged or
during shipping
• Use the cut-out template provided by Kraus
• Observe all plumbing and building codes according to your state requirements
• Not recommended to be installed with laminate countertop
Parts List
• Cut-Out Template • Mounting Hardware • Bottom Grids • Drain
For technical assistance or replacement parts, please contact Kraus
Customer Service and one of our representatives will be happy to help:
Toll-Free: 800-775-0703 or Customerservice@kraususa.com
The step-by-step guidelines in the installation instructions are a general reference for installing
a Kraus Sink. Should there be any discrepancies, Kraus cannot be held liable. It is recommended
to install all Kraus products by hiring a licensed professional.
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× ×
× ×
Tools you will need:
Phillips screwdriver
Adjustable wrench
Phillips screwdriver
Hex wrench
Silicone Sealant
I
D
J
F
B
G
H
E
230mm
445mm
230mm
Safety Goggles
Drill
Putty KnifePhillips Screwdriver
Silicone Adhesive Jig Saw
Tape Measure
Pencil
Scissors
Screwdriver
NOTE: Specialized tools may be necessary to install Kraus Stainless Steel Undermount
sinks with countertop materials other than wood, marble, or granite
Dimensions
9”
400mm
15 3/4”
229mm
450mm
17 3/4”
21”
534mm
23”
584mm
21 5/16”
542mm
23 3/8”
594mm
21”
535mm
478mm
18 13/16”
18 3/4”
476mm
20 3/4”
526mm
9”
403mm
15 14/16”
9”
17 1/2”
KBU10
23 3/8” x 21” x 9”
Min Cabinet Size: 27”
Matching Grid: KBG-10
Drain Model #: BST-1
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KBU11
20 3/4” x 17 3/4” x 9”
Min Cabinet Size: 24”
Matching Grid: KBG-11
Drain Model #: BST-1
KBU12
23” x 17 1/2” x 9”
Min Cabinet Size: 27”
Matching Grid: KBG-12
Drain Model #: BST-1
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Dimensions
× ×
× ×
× ×
× ×
520mm
229mm
255mm
179mm
14 1/2”
368mm
14 1/2”
368mm
32 1/4”
820mm
16 1/8”
409mm
8 1/2”
218mm
18”
457mm
10 3/4”
274mm
13 1/8”
332mm
15 1/8”
382mm
12 3/4”
324mm
7”
179mm
10 3/4”
274mm
13 1/8”
332mm
15 1/8”
382mm
12 3/4”
324mm
29 1/2”
750mm
31 1/2”
800mm
10”
413mm
16 1/4”
467mm
18 3/8”
17 3/4”
450mm
19 3/4”
500mm
18 1/2”
9”
470mm
20 1/2”
13”
330mm
15”
381mm
7”
419mm
16 1/2”
470mm
18 1/2
KBU14
31 1/2” x 18 3/8” x 10”
Min Cabinet Size: 36”
Matching Grid: KBG-14
Drain Model #: BST-1
KBU17
15 1/8” x 12 3/4” x 7”
Min Cabinet Size: 18”
Drain Model #: ST-1
KBU15
19 3/4” x 20 1/2” x 9”
Min Cabinet Size: 24”
Matching Grid: KBG-15
Drain Model #: BST-1
446mm
495mm
17 1/2”
19 1/2”
16 1/2”
420mm
29 1/8”
748mm
9”
228mm
KBU21
29 1/8” x 19 1/2” x 9”
Min Cabinet Size: 33”
Matching Grid: KBG-21-1
and KBG-21-2
Drain Model #: BST-1 & ST-1
10”
254mm
14”
7”
KBU16
15” x 18 1/2” x 7”
Min Cabinet Size: 18”
Drain Model #: ST-1
403mm
356mm
15 7/8”
14 1/2”
368mm
178mm
KBU22
32 1/4” x 18” x 8 1/2”
Min Cabinet Size: 36”
Matching Grid: KBG-22-1
and KBG-22-2
Drain Model #: BST-1 & ST-1
32 1/4”
820mm
14 1/2”
368mm
409mm
16 1/8”
4
18”
457mm
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× ×
× ×
450mm
7 1/2”
190mm
228mm
228mm
228mm
203mm
203mm
Dimensions
KBU23
20 1/2”
KBU23
18”
457mm
16”
406mm
20 1/2”
521mm
229mm
18 1/2”
470mm
17 3/4”
450mm
10 1/2”
266mm
311/2”
800mm
524mm
473mm
419mm
32”
813mm
400mm
13”
330mm
470mm
15 3/4”
20 5/8”
16 1/2”
18 1/2”
18 5/8”
18 1/2”
471mm
229mm
7 3/8”
187mm
20 1/2”
521mm
17 3/4”
449mm
15 3/8”
391mm
17 3/4”
450mm
11 3/8”
290mm
32 3/8”
822mm
× ×
× ×
7 1/2”
190mm
228mm
19 1/2”
418mm
521mm
470mm
18 1/2”
471mm
524mm
20 5/8”
473mm
18”
16”
457mm
406mm
18 5/8”
419mm
16 1/2”
470mm
18 1/2”
449mm
17 3/4”
391mm
15 3/8”
18 1/2”
521mm
20 1/2”
17 3/4”
450mm
9”
311/2”
800mm
10 1/2”
266mm
KBU23
31 1/2” x 20 1/2” x 9”
Min Cabinet Size: 36”
Matching Grid: KBG-23-1
and KBG-23-2
Drain Model #: BST-1 & ST-1
495mm
444mm
17 1/2”
16 1/2”
420mm
9”
30 3/4”
782mm
11”
280mm
KBU26
30 3/4” x 19 1/2” x 9”
Min Cabinet Size: 36”
Matching Grid: KBG-26-1
and KBG-26-2
Drain Model #: BST-1 & ST-1
7”
178mm
368mm
14 1/2”
15 3/4”
400mm
9”
229mm
KBU24
32” x 20 5/8” x 9”
Min Cabinet Size: 36”
Matching Grid: KBG-24-1
and KBG-24-2
Drain Model #: BST-1 & ST-1
520mm
470mm
20 1/2”
16 1/2”
18 1/2”
9”
17 3/4”
450mm
KBU27
34 3/8” x 20 1/2” x 9”
Min Cabinet Size: 39”
Matching Grid: KBG-27-1
and KBG-27-2
Drain Model #: BST-1 & ST-1
32”
813mm
34 3/8”
872mm
13”
330mm
13 3/8”
340mm
7 1/8”
15 3/4”
181mm
400mm
11 3/8”
290mm
KBU25
32 3/8” x 20 1/2” x 9”
Min Cabinet Size: 36”
Matching Grid: KBG-25-1
and KBG-25-2
Drain Model #: BST-1 & ST-1
521mm
470mm
20 1/2”
17 3/4”
18 1/2”
9”
17 7/10”
450mm
KBU28
38 5/8” x 20 1/2” x 9”
Min Cabinet Size: 42”
Matching Grid: KBG-28-1
and KBG-28-2
Drain Model #: BST-1 & ST-1
32 3/8”
822mm
38 5/8”
981mm
17 3/4”
450mm
17 7/10”
450mm
9”
521mm
470mm
20 1/2”
18 1/2”
9”
18”
400mm
456mm
15 3/4”
14”
355mm
8”
31 3/8”
796mm
14”
355mm
KBU29
31 3/8” x 18” x 8”
Min Cabinet Size: 36”
Matching Grid: KBG-29-1 and KBG-29-2
Drain Model #: BST-1 & ST-1
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400mm
15 3/4”
8”
18”
456mm
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1. Determine Reveal Type
DETERMINE REVEAL TYPE
3/8“ Positive Reveal
DETERMINE REVEAL TYPE
Flushed/Zero Reveal
3/8“ Positive Reveal
DETERMINE REVEAL TYPE
Use scissors to cut along the line of the paper template for your desired
reveal type (Negative, Positive, or Flushed Reveal)
3/8“ Positive Reveal
Flushed/Zero Reveal
1/8“ Negative Reveal
KRAUS Recommended Installation Type
3/8”POSITIVE
1/8”NEGATIVE
FLUSHED/ZERO
Centerline
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2. Position Template
Step1
Step2
• Check the cut-out template against the actual sink to ensure a proper
sized cut-out
• Place the cut-out template in the desired location on the countertop
NOTE: Make sure clearance is suitable for backsplash, faucet, and plumbing for the sink
3. Trace Template
• Trace template on countertop with a pencil
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4. Cut Countertop
Step3
• Cut the opening in the countertop by carefully following the traced line
NOTE: Please use the appropriate saw that best ts your countertop
material
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Flushed/Zero Reveal
1/8“ Negative Reveal
Determine location for mounting brackets; space
Centerline
3/8”POSITIVE
1/8”NEGATIVE
FLUSHED/ZERO
Step5
Step6
Step5
3/8
1/2
Step6
5. Set up Mounting Brackets
• Turn countertop over and align sink with countertop. Decide location for
mounting brackets
• Mounting holes should be ½” from edge of sink
1/2"
(13mm)
6. Drill Hole in Countertop
• Drill 3/8” diameter x 1/2” deep hole in the countertop
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3/8
1/2
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7. Install Anchors
Step7
Step7
Step7
Step8 Step9
• Insert anchors into drilled holes and lightly tap with a hammer until ush
8. Secure Sink to Countertop
• Use a bead of silicone (or preferred adhesive) around the rim of the sink.
Check the alignment of the sink to the cutout in the countertop. Place sink
over cutout hole and press rmly
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9. Attach Mounting Hardware
Step8 Step9
• Attach mounting hardware to secure bowl. Remove excess sealant
from inside lip
• Allow sealant to set for 30 – 60 minutes
NOTE: Use acetone or rubbing alcohol to remove any excess sealant
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10. Install Plumbing Fixtures
• Connect drain to sink. Connect trap to drain. Connect water supply
connections to faucet according to manufacturer’s instructions
• Run water into sink and check for leaks
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Codes / Standards Applicable:
Kitchen Sink Warranty
Kraus products are manufactured and tested to the highest quality standards by Kraus USA Inc. (“Kraus”).
Kraus extends this warranty to the original purchaser for personal household use of the “Kitchen Sink” in its original
location. The warranty is non-transferable.
Kraus warrants the structure and nish of the product to be free from defects in material and workmanship under normal
usage for the lifetime of the product. The warranty commences from the initial date of purchase by the owner or trade
professional, from an authorized Kraus dealer, through the lifetime of the original owner or end-user.
Any product reported to the authorized dealer or to Kraus as being defective within the warranty period will be repaired or
replaced with a product of equal value at the option of Kraus. This warranty extends to the original owner or end-user, and
is not transferable to a subsequent owner.
Restrictions
This warranty does not cover antediluvian, discontinued, or display products, whether such items are purchased at
discount outlets, unauthorized dealers, and/or sold on clearance.
This warranty does not cover instances of negligence, misuse, abuse, improper installation, carelessness, accident, hard
water or mineral deposits, exposure to corrosive materials, misapplication, damages caused by improper maintenance,
alteration of the product, or failure to follow care or installation instructions enclosed with your product. Avoid using
abrasive cleaners such as powders, bleach, ammonia, alcohol, or chlorine. Avoid using abrasive pads, steel wool, or wire
brushes, as these will damage and wear down the nish.
This warranty does not apply to Products that have not been installed or operated in accordance with instructions
supplied by Kraus and all applicable rules, regulations, and legislation pertaining to such installations.
This warranty does not apply unless the Kraus product is installed by a fully insured and licensed trade professional. Kraus
insists that such professionals have experience in the installation of bathroom and kitchen manufactured goods.
This warranty does not cover labor charges or costs of removal and reinstallation of said product. This warranty does not
allow recovery of incidental or consequential damages, such as loss of use, delay, property damage, or other consequential
damages, and Kraus accepts no liability for such damages.
This warranty does not cover Marine or Outdoor Installation.
This warranty does not cover any free gifts included with purchase.
Except as otherwise provided above, Kraus makes no warranties, expressed or implied, including warranties of
merchantability and tness for a particular purpose, or compliance with any code.
Shipping charges will be covered for the rst (1) year of the warranted replacement part or product (HI, AK, and Puerto
Rico shipping charges may apply). International shipping fees are not included.
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Commercial Warranty
Kraus extends the above warranty for a period of one (1) year to purchasers of products for industrial, commercial,
and business use.
All incidental or consequential damages are specically excluded. No additional warranties, express or implied are given,
including but not limited to, any implied warranty of merchantability or tness for a particular purpose.
Some states do not allow the exclusion or limitation of incidental or consequential damages or limitations on how long
an implied warranty lasts, so the above limitations or exclusions may not apply to you.
This warranty gives you specic legal rights, and you may also have other rights which vary from state to state.
KRAUS USA has the right to change, modify, and/or update the warranty policy at any time. For the latest, most up to
date comprehensive warranty, go to www.kraususa.com/warranty
If you are a homeowner please contact a Kraus Customer Service Representative at:
Kraus USA, Inc.
12 Harbor Park Drive
Port Washington, NY 11050
Toll-free 800-775-0703
Customerservice@kraususa.com
If you are a plumbing contractor or trade professional please contact a Kraus
Pro Representative at:
Kraus USA, Inc.
12 Harbor Park Drive
Port Washington, NY 11050
516-801-8955
Proservice@kraususa.com
If you are an Authorized Partner please contact a Partner Support Representative at:
Kraus USA, Inc.
12 Harbor Park Drive
Port Washington, NY 11050
516-801-8954
Partnersupport@kraususa.com
In requesting warranty service, please be ready to provide:
1. Proof of purchase.
2. A description of the problem.
Download the Kraus Care & Maintenance Guide at:
http://www.kraususa.com/maintenance
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IMPORTANT
Register Your Kraus Product
Activate Your Warranty
Access Premium Customer Support
Get Product Information
REGISTER TODAY
http://www.kraususa.com/registration
www.kraususa.com
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