Sterling 403070 KOHLER Biscuit Stinson 1.28 GPF Elongated Toilet Bowl Only with Pro Force® Technology - Seat Not Included

- Item #: BCI1712179

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

  • Wax Ring Kit Required

Product Features:

  • Bowl only configuration - allows the opportunity to match pieces with a selected tank
  • Elongated bowl offers comfort and convenience, extending out an extra 1-1/2" compared to a round configuration
  • Covered under Sterling's 5 year limited warranty
  • The Stinson Collection features an understated elegance, with clean and subtle lines
  • Constructed of durable, easy to clean vitreous china
  • Installs in a floor-mounted configuration
  • Features a high-efficiency siphon jet flushing system with Pro Force® technology
  • 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 Specifications:

  • Bowl Height: 15" (measured from bottom of base to rim of bowl)
  • Overall Depth: 29" (measured from back of bowl to front of rim)
  • Flow Rate: 1.28 GPF (gallons per flush)
  • Water Area: 8" x 9" (inner rim dimensions of bowl, width x length)
  • Trapway (Discharge Passageway) Size: 2"
  • Distance Between Toilet Seat Installation Holes: 5-1/2"
  • Rough-In: 12"


  • 403070: This model
  • 402076: This model with tank (complete toilet fixture)

Additional Sterling Links

Our SKU: Sterling 403070

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

  • Sterling 403070-96
  • Sterling 403070-47*
    KOHLER Almond
  • Sterling 403070-96
    KOHLER Biscuit
  • Sterling 403070-0

*Denotes a finish or option that has been discontinued

Sterling 403070-96 Product Specifications

Specification Sheet
Installation Guide
ASME Approved Yes
ASME Code A112.19.2
Approved for Commercial Use No
Bowl Height 15
Bowl Shape Elongated
CSA Approved Yes
CSA Code B45.1
Comfort Height No
Concealed Trapway No
Configuration Bowl Only
Country Of Origin USA
Depth 28, 29
Dual Flush No
Eco Friendly Yes
Flush Technology Pro Force
Flush Type Siphon Jet
Gallons Per Flush 1.6, 1.28
Height 15
Installation Type Free Standing, Floor Mounted
Length (Inside) 9
Low Profile No
Manufacturer Warranty 5 Year Limited
Material Vitreous China
Product Class Residential
Rough In 12
Seat Included No
Theme Modern
Trapway 2
Trip Lever Placement Left
Water Area 8 x 9
Water Efficient Yes
WaterSense Certified Yes
Width 17.44
Width (Inside) 8

Installation Resource Center

Whether you are installing the product yourself or hiring a professional, our installation Resource Center has everything you need to get your project done. Visit the Installation Resource Center to get started.

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