Item # bci3180419

The Kohler K-3979-T-0 has been discontinued

** See similar or replacement items below **

Kohler Highline 1.6 GPF Two-Piece Elongated Comfort Height Toilet - Less Seat

Model: K-3979-T-0

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Product Overview

Kohler K-3979-T Features:

  • Two-piece configuration allows for easier access to the area around the toilet
  • Elongated bowl provides extra comfort, extending out an extra 1-1/2" compared to a round configuration
  • Covered under Kohler's 1 year limited warranty
  • Made from vitreous china
  • floor mounted installation
  • siphon jet flushing system
  • ADA compliant - complies with the standards for toilets set forth by the Americans with Disabilities Act

Kohler K-3979-T Technologies / Benefits:

  • Class Five Flushing: The Class Five siphon jet flushing system is designed for high-powered bulk flushing performance. Water flow is maximized with a larger than standard flush valve, which allows rapid release of water, and direct fed jets that quickly clear the bowl.
  • 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.

Kohler K-3979-T Specifications:

  • Overall Height: 31-1/4" (bottom of the base to the highest point on the toilet)
  • Overall Length: 29-3/4" (back of the tank to the front of the rim)
  • Overall Width: 18-1/8" (furthest point on the left to the furthest on the right)
  • Bowl Height: 16-1/2" (bottom of the base to the rim)
  • Flow Rate: 1.6 gallons-per-flush
  • Water Area: 11-3/8" x 8" (inner rim dimensions length X width)
  • Water Depth (From Rim): 5-3/8"
  • Tank Width: 18-1/8" (left most to right most points on tank)
  • Tank Length: 8-5/8" (back most to front most points on tank)
  • Trapway (Discharge Passageway) Size: 2-1/8"
  • Rough-In: 12"
  • Distance Between Toilet Seat Installation Holes: 5-1/2"

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

*Denotes a finish or option that has been discontinued.

Manufacturer Resources

Dimensions and Measurements

Bowl Height
16.5 in.
Gallons Per Flush
31.25 in.
29.75 in.
Length (Inside)
16.313 in.
Rough In
12 in.
2.125 in.
Water Area
11.375 x 8
18 in.
Width (Inside)
10.125 in.

Included Components

Seat Included

Characteristics and Features

Bowl Shape
Two Piece
Design Features
Chair Height
Flush Type
Gravity Flush
Installation Type
Floor Mounted
Vitreous China
Trip Lever Placement

Manufacturer Technology

Flush Technology
Class Five

Warranty and Product Information

CA Drought Compliant
Comfort Height
Manufacturer Warranty
1 Year Limited