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INSTALLATION MANUAL
Forteza™ Series
Granite Kitchen Sink
KGD-50 / KGD-52 / KGD-54 / KGU-55
www.kraususa.com I Toll Free: 1.800.775.0703 I © 2017 Kraus USA Inc. I REV. November 2, 2017
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Thank you for your purchase
We would like to take this opportunity to thank you for choosing Kraus.
We hope that you are completely satised with your purchase, and enjoy it for years
to come. If you have any questions, or require technical assistance, please contact
us at 800.775.0703 and one of our representatives will be happy to help.
For more information about Kraus products, please visit:
www.kraususa.com
In order to activate your warranty and get faster access to customer support, please
register your new Kraus product at:
www.kraususa.com/registration
Sincerely,
Kraus USA Customer Service
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Please note:
• KGUs can be installed undermount only (Option B)
• KGDs can be installed topmount & undermount (Options A & B)
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
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 and Required Materials
Phillips screwdriver
Safety Goggles
Hammer
Drill
Hole Saw
Silicone Adhesive Jig Saw
Masking Tape
Tape Measure
NOTE: Specialized tools may be necessary to install Kraus granite sinks with
countertop materials other than wood, marble, or granite
Parts List
• Cut-Out Template
• Mounting Hardware
• Drain
Pencil
Screwdriver
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Hardware (Included)
Kit for Drop-In
Installation
Kit for Undermount
Installation
Important
• Instructions may vary depending on countertop material. Read all instructions
carefully, and ensure that counters are compatible with sink installation before
proceeding
• Follow the plumber’s code and builder’s code eective in your area
• Shut o water valves prior to installation
• Open sink packaging and verify that the sink is in perfect condition. Put sink back
into packaging to protect it until time of installation
• To replace an existing sink, make sure that the cut-out hole in the counter is of an
adequate size to t the new sink
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Dimensions
9 1/2''
8 13/16''
9 11/16''
18 3/16''
22''
18 1/2''
15 5/16''
12 7/8''
33''
KGD-50
33” X 22” X 9 1/2”
Min Cabinet Size: 36”
Drain Model #: ST-2 x (2)
KGU-55
31 3/4” x 19 1/8” ” x 9 1/2”
Min Cabinet Size: 36”
Drain Model #: ST-1G
22''
16 1/16''
17 1/8''
9''
KGD-52
33” X 22” 9 3/4”
Min Cabinet Size: 36”
Drain Model #: ST-2 x (2)
14 1/4'' 14 1/4''
33''
KGD-54
33” x 22” x 9 5/8”
Min Cabinet Size: 36”
Drain Model #: ST-1G
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Option A: DROP-IN INSTALLATION
1. Trace Opening
• Locate the drop-in template in the box
• Cut carefully along the dotted lines. Keep the inside portion of the
template. It contains important information concerning care and
maintenance for your new sink
• Place the template on the counter, in the location where you will be
installing the sink. When placing the template, note the location of
cabinet doors and panels to ensure that they are compatible with sink
installation. Make sure that there is enough space for water supply
installation. Identify the location of the faucet and soap dispenser
• Fix the template to the counter using masking tape
• Trace the inside of the template with a pencil. Remove the template
from the countertop
OR
• Turn the sink upside down and place it on top of the counter. Note
the location of cabinet doors and panels to ensure that they are
compatible with sink installation. Make sure that there is enough space
for water supply installation. Identify the location of the faucet and soap
dispenser
• Trace the outer edge of the sink with a pencil, then remove the sink
• Measure 7mm from the initial sink measurement and trace another line
on the inside of the drawing. This second line will be the cutting line
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2. Cut Opening
• Using the drill, make a small starting hole of about ½” on the inside of
the cutting line
• Drill a second time in the same hole with a larger bit to enlarge the hole
so that the jigsaw can be inserted properly
• Put masking tape on the outer side of the cutting line. This will protect
the counter from scratches and shattered fragments caused by the
jigsaw
• Using the jigsaw, trim the inside of the cutting line
• Insert the sink and adjust the opening if necessary
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3. Add Additional Faucet Hole (Optional)
• Determine the location of the faucet
• Place the sink upside down on a suitable at surface
• Using the 32mm (1 ¼”) diamond hole saw at high power (1500tr. per
min), break through in the desired location
CAUTION: This procedure will cause the metal saw to become very hot.
Please handle with care
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4. Install Sink
• Clean and dry the surface around the opening of the sink
• Verify that the sink ts correctly in the opening. The edge of the sink
must sit on the counter
• Turn the unit upside down to apply sealant. Apply silicone-based sealant
(not included) underneath the edge of the sink
• Ensure that the plastic ap holding the screw underneath the sink is
partially opened, as shown
• Insert the sink into the opening
• Fix the sink to the counter by swiveling the mounting brackets, as
shown
• Tighten the screws in the front of the sink, followed by the ones in the
back and on the sides of the sink
• Remove excess silicone-based sealant
SINK
SILICONE
BASED SEALANT
SINK
COUNTER
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Installation Manual
5. Drains installation
· Insert the metal strainer into the rubber seal, and then into the
straining hole.
· Install the rubber gasket and the main drain body underneath the
sink.
· Using the screw, tighten the main drain body and the metal strainer
into pl
ace.
· Install the basket on top of the drain installation.
· Repeat the some procedure for the Installation of the second
draining hole.
Note : Plumber putty is not required for the installation of these
drains.
5. Install Drain
• Insert the metal strainer into the rubber seal, and then into the drain hole
• Insert the rubber gasket and the main drain body underneath the sink
• Using the screw, tighten the main drain body and the metal strainer
into place
• Insert the basket on top of the drain installation
BASKET
SCREW
METAL STRAINER
RUBBER SEAL
Rubber gasket
RUBBER GASKET
Main body
MAIN BODY
6. Install Pipes
• Install the faucet following the manufacturer’s instructions
• Make proper water and waste pipe connections
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Option B - UNDERMOUNT INSTALLATl ON
1. Trace Opening
• Locate the undermount template in the box
• Cut carefully along the dotted lines. Keep the inside portion of the
template. It contains important information concerning care and
maintenance for your new sink
• Place the template on the counter, in the location where you will be
installing the sink. When placing the template, note the location of
cabinet doors and panels to ensure that they are compatible with
sink installation. Make sure that there is enough space for water
supply installation. Identify the location of the faucet
and soap dispenser
• Fix the template to the counter using masking tape
• Trace the inside of the template with a pencil. Remove the template
from the countertop
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2. Cut Opening
• Using the drill, make a small starting hole of about 1/2” on the inside of
the cutting line
• Drill a second time in the same hole with a larger bit to enlarge the hole
so that the jigsaw can be inserted properly
• Put masking tape on the outer side of the cutting line. This will protect
the counter from scratches and shattered fragments caused by the
jigsaw
• Using the jigsaw, trim the inside of the cutting line
1/2”
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3. Add Additional Faucet Hole (Optional)
• Determine the location of the faucet
• Place the sink upside down on a suitable at surface
• Using the 32mm (1 ¼”) diamond hole saw at high power
(1500tr. per min), break through in the desired location
CAUTION: This procedure will cause the metal saw to become very hot.
Please handle with care
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4. Install Sink
• Turn the sink upside down. Align the sink with the cutting line on the counter
• Using a pencil, mark 10 spots around the frame at a distance of about 1”
(25.4mm) from the edge of the sink
• For a solid installation, it is recommended that all 10 mounting clips are used
• Drill ¼” xation holes at a depth of 3/8” in the indicated location
• Insert the brass inserts by tapping them into the holes, split end rst
• Thoroughly clean the top portion of the sink edge. Clean underneath the
counter and around the cutting line using denatured alcohol
• Apply a small quantity of silicone-based sealant (not included) around the
cutting line, 1/8” away from the edge of the counter.
• Align the sink and x the mounting clips as shown. Firmly tighten the screw
into the brass insert
• Once the sink is correctly installed, tighten the wing nuts to x it into place
• Complete the installation of the counter
• Remove any excess sealant on the inside of the bowls
Underneath the counter
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4. Install Sink (Continued)
Underneath
the Counter
1/4 po
Diameter
Depth
Stop
3/8”
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SEALANT
BRASS INSERT
SUPPORT
METAL SCREW
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Installation Manual
5. Drains installation
· Insert the metal strainer into the rubber seal, and then into the
straining hole.
· Install the rubber gasket and the main drain body underneath the
sink.
· Using the screw, tighten the main drain body and the metal strainer
into pl
ace.
· Install the basket on top of the drain installation.
· Repeat the some procedure for the Installation of the second
draining hole.
Note : Plumber putty is not required for the installation of these
drains.
5. Install Drain
• Insert the metal strainer into the rubber seal, and then into the drain
hole
• Install the rubber gasket and the main drain body underneath the sink
• Using the screw, tighten the main drain body and the metal strainer into
place
• Install the basket on top of the drain installation
BASKET
SCREW
METAL STRAINER
RUBBER SEAL
Rubber gasket
RUBBER GASKET
Main body
MAIN BODY
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6. Install Pipes
• Install the faucet following the manufacturer’s instructions
• Make proper water and waste pipe connections
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ST-1G / ST-2
Maintenance
Clean your sink on a regular basis with warm soapy water. Rinse the sink
after using cleaning products. Wipe the sink surface with a soft cloth to
remove any liquid residue. Do not cut food directly on the surface of the
sink. Do not leave sharp objects on the surface of the sink for an extended
period of time. Do not use abrasive cleaning products, sanding tools, steel
wool, or bleaching products
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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. Due to the nature of drain
usage, there is no nish warranty on any drain product (including pop-up drains, lavatory drains, and
kitchen drains)
This warranty does not cover Marine or Outdoor Installation.
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.
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.
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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
REGISTER YOUR PRODUCT TODAY
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
Scan to Register Onlin e
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