Kraus KBU11 User manual

www.kraususa.com I Toll Free: 1.800.775.0703 I © 2024 Kraus USA Plumbing LLC I REV. January 22, 2024
KBU11 / KBU12 / KBU14 / KBU15 /
KBU16 / KBU17 / KBU21 / KBU22 / KBU24 /
KBU25 / KBU27 / KBU29 / KBU32
Kraus Stainless Steel
Undermount Kitchen Sink
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INSTALLATION MANUAL

Congratulations on the purchase of your new
Kraus plumbing fixture!
Please keep the 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:
Please contact our Customer Service Team
1-800-775-0703 / [email protected]
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.
DO NOT RETURN TO STORE
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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 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.
·Note: Before installation, please check that the drain kit complies with
ASME A112.18.2/CSA B125.2 and with CUPC certification.
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 [email protected]
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:
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NOTE: Specialized tools may be necessary to install Kraus Stainless Steel
Undermount sinks with countertop materials other than wood, marble or granite.
Dimensions
KBU11
20 3/4” x 17 3/4” x 9”
Min Cabinet Size: 24”
Matching Grid: KBG-11
Drain Model #: ST-1
KBU12
23” x 17 1/2” x 9”
Min Cabinet Size: 27”
Matching Grid: KBG-12
Drain Model #: ST-1
21"
534mm
23"
584mm
15 7/8"
403mm
17 1/2"
445mm
9"
230mm
17 3/4"
450mm
15 3/4"
400mm
18 3/4"
476mm
20 3/4"
526mm
9"
230mm
Safety Goggles Silicone Adhesive Jig Saw Phillips Screwdriver
Putty Knife Tape Measure Pencil Scissors Screwdriver
Drill Cut Resistant Gloves
Closed Toe Shoes
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Dimensions
KBU14
31 1/2” x 18 3/8” x 10”
Min Cabinet Size: 36”
Matching Grid: KBG-14
Drain Model #: BST-1
KBU15
19 3/4” x 20 1/2” x 9”
Min Cabinet Size: 24”
Matching Grid: KBG-15
Drain Model #: BST-1
KBU16
15” x 18 1/2” x 7”
Min Cabinet Size: 18”
Drain Model #: ST-1
KBU17
15 1/8” x 12 3/4” x 7”
Min Cabinet Size: 18”
Drain Model #: ST-1
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
KBU22
32 1/4” x 18” x 8 1/2”
Min Cabinet Size: 36”
Matching Grid: KBG-22 (2)
Drain Model #: BST-1 & ST-1
29 1/2"
750mm
31 1/2"
800mm
16 1/4"
413mm
18 3/8"
467mm
10"
255mm
9"
230mm
17 3/4"
450mm
19 3/4"
500mm
18 1/2"
470mm
20 1/2"
520mm
16 1/2"
419mm
17 1/2"
446mm
19 1/2"
495mm
29 1/8"
748mm
10"
255mm
14"
355mm
15 7/8"
403mm
7"
178mm
9"
228mm
14 1/2"
368mm
14 1/2"
368mm
16 1/8"
409mm
8 1/2"
218mm
32 1/4"
820mm
18"
457mm
18 1/2"
470mm
16 1/2"
419mm
7"
179mm
13"
330mm
15"
381mm
12 3/4"
324mm
10 3/4"
274mm
13 1/8"
332mm
15 1/8"
382mm
7"
179mm

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Dimensions
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
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
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
KBU29
31 3/8” x 18” x 8”
Min Cabinet Size: 36”
Matching Grid: KBG-29 (2)
Drain Model #: BST-1 & ST-1
KBU32
32” x 19” x 8 1/2”
Min Cabinet Size: 36”
Matching Grid: KBG-32 (2)
Drain Model #: ST-1 (2)
32"
813mm
14 1/2"
368mm
19"
483mm
17"
432mm
8 1/2"
216mm
14 1/2"
368mm
17 3/4"
450mm
10 1/2"
266mm
16"
406mm
18"
457mm
18 1/2"
470mm
20 1/2"
520mm
9"
229mm
7"
178mm
31 1/2"
800mm
15 3/4"
400mm
13 3/8"
340mm
17 3/4"
450mm
18 1/2"
470mm
17 3/4"
450mm
20 1/2"
520mm
34 3/8"
872mm
7 1/2"
190mm
9"
228mm
14"
355mm
14"
355mm
31 3/8"
796mm
15 3/4"
400mm
18"
456mm
8"
203mm
9"
229mm
7 3/8"
187mm
18 1/2"
470mm
20 1/2"
520mm
17 3/4"
450mm
11 3/8"
290mm
32 3/8"
822mm
15 3/8"
391mm
17 3/4"
450mm

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1. 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
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
Cut the opening in the countertop by carefully following the traced line.
NOTE: Please use the appropriate saw that best fits your countertop material.
! CAUTION - To avoid the risk of personal injury,
wear safety glasses and cut resistant gloves
with non-slip grip when cutting.

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5. Set up Mounting Brackets
Turn countertop over and align sink with countertop. Decide location for mounting
brackets.
Mounting holes should be 1/2" from edge of sink.
6. Drill Hole in Countertop
Drill 3/8" diameter x 1/2" deep hole in countertop.
1/2"
(13mm)
3/8 1/2
! CAUTION - To avoid the risk of personal
injury, wear safety glasses and cut resistant
gloves with non-slip grip when drilling.