Kohler K-3851-U Dune Cimarron 1.28 GPF Two Piece Round Front Toilet with Insuliner Tank, and 10" Rough In, Less Seat

- Item #: BCI1867840

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

  • Angle Supply Recommended
  • Wax Ring Kit Required

Cimarron 1.28 GPF Two Piece Round Front Toilet with Insuliner Tank, and 10" Rough In, Less Seat

Featuring Class Five(TM) flushing technology, the redesigned Cimarron(R) Comfort Height(R) round-front toilet delivers outstanding bulk flushing and best-in-class bowl cleanliness. The Cimarron two-piece toilet's easy curves complement a variety of bathroom environments. This 1.28 gpf model provides significant water savings without sacrificing performance.


  • Class Five flushing technology provides tremendous bulk waste flushing performance and best-in-class bowl cleanliness
  • Canister flush valve provides smooth flushing actuation with consistent water usage, flush after flush
  • Exclusive Dry Lock(TM) installation system facilitates installation, and keeps floors
  • With a seat height comparable to that of a standard chair, KOHLER Comfort Height(TM) toilets make sitting down and standing up easier for people of all ages
  • 1.28 gpf High-Efficiency Toilets provide significant water savings of up to 16,500 gallons per year versus an old 3.5 gallon toilet without sacrificing performance
  • Qualifies as a HET (High-Efficiency Toilet) - consumer rebates are available in certain municipalities
  • 10" (25.4 cm) rough-in
  • Round-front bowl
  • Insuliner tank liner prevents tank condensation
  • Width: 17.625"
  • Length: 25.25"
  • Height: 30.5"
  • Bowl Height: 16.5"

Additional Kohler Links

Our SKU: Kohler K-3851-U

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

  • Kohler K-3851-U-47
  • Kohler K-3851-U-96
  • Kohler K-3851-U-7
    Black Black
  • Kohler K-3851-U-NY
  • Kohler K-3851-U-95
    Ice Grey
  • Kohler K-3851-U-G9
  • Kohler K-3851-U-0

*Denotes a finish or option that has been discontinued

Kohler K-3851-U-NY Product Specifications

Specification Sheet
Rough-In Guide
Bowl Height 16.5
Bowl Shape Round
Comfort Height Yes
Concealed Trapway No
Configuration Two Piece
Country Of Origin USA
Depth 27.25
Flush Type Siphon Jet
Gallons Per Flush 1.28
Height 30.5
Installation Type Floor Mounted
Length 25.25
Made in America Yes
Material Vitreous China
Product Weight 75
Rough In 10
Seat Included No
Theme Basic
Trapway 2.125
Trip Lever Placement Left
Water Efficient Yes
WaterSense Certified Yes
Width 17.62

Installation Resource Center

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