Kohler K-3755-47 Almond Kelston 1.28 GPF Two-Piece Elongated Comfort Height Toilet with AquaPiston Technology - Seat Not Included

Item #: bci1229631
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Limited time only Offer Ends 7/31/2016

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Product Details for the Kohler K-3755-47 in Almond

This product has additional required/recommended options. To configure, add to your cart.

  • Toilet Seat Required
  • Angle Supply Recommended
  • Wax Ring Kit Required

Package Includes:

  • K-4469: Kelston 1.28 GPF toilet tank
  • K-4306: Kelston elongated Comfort Height toilet bowl

Product Features:

  • Two-piece configuration allows for easier access to the area around the toilet
  • Elongated bowl offers comfort and convenience, extending out an extra 1-1/2" compared to a round configuration
  • Covered under Kohler's 1 year limited warranty
  • The Kelston Collection brings warmth and elegance to the bath
  • Constructed of durable, easy to clean vitreous china
  • Installs in a floor mounted configuration
  • Features a powerful gravity flush with AquaPiston technology
  • ADA compliant - complies with the standards for toilets set forth by the Americans with Disabilities Act
  • Comfort Height - designed for ease of use, with a higher than average bowl
  • WaterSense certified - toilet uses 20% less water than the current standard while still maintaining superior performance
  • Seat and cover not included with this model

Product Technologies / Benefits:

  • AquaPiston: AquaPiston single flush canister technology uses the force of gravity and a precision-engineered tank, bowl, and trapway to create a strong, efficient siphon during flushing. The canister flush valve's 3:2 ratio optimizes flush performance and resists warping and deterioration, while its durable design features 90% less exposed seal material than a standard 3-inch flapper flush valve, guaranteeing leak-free performance. The light-touch canister requires lower activation force than a flapper, and once activated, allows water to flow into the bowl from all sides (360 degrees), increasing each flush's power and effectiveness.
  • Comfort Height: Comfort Height toilets offer the greatest accessibility and ease of use with a bowl height of between 16-1/2" and 18", the same as a standard chair.
  • WaterSense Certified Product: To help make a difference on a global scale and to further its role as an industry leader in eco-performance practices, Kohler has established partnerships with a number of environmental organizations, including WaterSense. Many Kohler faucets and toilets are equipped with low-flow technology - they use less water, while continuing to meet superior performance standards.

Product Specifications:

  • Overall Height: 30-1/2" (measured from bottom of base to top of tank)
  • Overall Depth: 30" (measured from back of tank to front of rim)
  • Overall Width: 16-3/4" (measured from rightmost to leftmost edge of toilet)
  • Bowl Height: 16-1/2" (measured from floor to bowl rim)
  • Flow Rate: 1.28 GPF (gallons per flush)
  • Water Area: 11" x 8-3/4" (inner rim dimensions of bowl, length x width)
  • Water Depth (from Rim): 6"
  • Tank Width: 16-3/4" (measured from leftmost to rightmost edge of tank)
  • Tank Depth: 8-15/16" (measured from back edge to front edge of tank)
  • Trapway (Discharge Passageway) Size: 2-1/8"
  • Distance Between Toilet Seat Installation Holes: 5-1/2"
  • Rough-In: 12"


  • K-3755: This model
  • K-3755-Touchless: This model with Touchless flush
  • K-3754: 1.6 GPF version of this model

About Kohler:

Gracious living is characterized by qualities of charm, good taste, generosity of spirit, and the enhancement of nature. It is Kohler's mission that you improve your sense of gracious living with every experience you have with a Kohler product or service. Kohler lives on the leading edge of design and technology, while maintaining a constant level of quality, regardless of price. It sets the standard of excellence in its field, and yet is constantly striving to improve. From sustainable products in the kitchen and bath to power systems that protect data centers and urban landscapes all over the world - this is what the Kohler company is all about.

Our SKU: Kohler K-3755

This product is listed under the following manufacturer number(s):

*Denotes a finish or option that has been discontinued

7 Questions from the Community
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What is meant by comfort height?

The Kohler K-3755 is comfort height meaning where you sit on the toilet is taller than a standard toilet. The height is 16.5"

Does it come with a insulated tank?

The Kohler K-3755 does not come with an insulated tank.

Does this toilet come with a seat, or does it need to be purchased separately?

The Kohler K-3755 does not include the toilet seat. Any of Kohler's elongated toilet seats would work, but the recommended seat for commercial applications is the K-4650.

Is this toilet available in regular height?

The Kohler K-3755 is set at 16.5" seat height. The Kohler 3422-UR is set at 14.5" seat height

Does it have a tank liner?

The tank for the Kohler K-3755 is not insulated.

What are the advantages of a one piece toliet?

One piece toilets are good for smaller spaces.

Is 16.5" the tallest toilet available?

We do carry ones that are 17"-17.38" high.

Left-Hand Trip Lever from the Kelston Collection
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Double Post Toilet Paper Holder from the Forte Collection

Kohler K-3755 Technical Specs

Bowl Height 16.5
Bowl Shape Elongated
CA Drought Compliant Yes
Comfort Height Yes
Concealed Trapway No
Configuration Two Piece
Country Of Origin USA
Depth 30
Flush Technology Class Five
Flush Type Gravity Flush
Flush Valve Size 3.5
Gallons Per Flush 1.28
Height 30.5
Installation Type Floor Mounted
Insulated Tank No
Length 30
Made in America Yes
Material Vitreous China
Rough In 12
Seat Included No
Soft Close No
Theme Basic
Trapway 2.125, 2.13
Trip Lever Placement Left
Water Efficient Yes
WaterSense Certified Yes
Width 16.75

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