Kohler Dual Flush Toilets

Written by: Erica Spangler

Kohler's Dual Flush Toilets

As the functionality of a dual flush toilet becomes more popular with families looking to save water, Kohler has reinvented the flush mechanism. Using their Class Five Flush Technology, these Kohler Dual Flush toilets will keep you from wasting water without sacrificing power and cleanliness.

Why Choose Dual Flush?

How the Dual Flush Works

  • 2 Flush Options
  • Green Lever - Liquid Waste at 1.1 GPF
  • Chrome Lever - Solid Waste at 1.5 GPF

Dual Flush Saves You Money and Water

  • Both flush rates are WaterSense Certified
  • The lower water rates saves you from wasting water
  • Using the lower flush for liquid will save you money on water rates

What You Get with Kohler's Dual Flush

Features on All Dual Flush Toilets


  • Class 5 Flush Technology
  • WaterSense Certified
  • Made in the USA
  • Two-Piece Toilets
  • Made From Vitreous China

Dual Flush Toilet Option Comparison

Kohler K-3987

  • Round Bowl Shape
  • 14.5 Inch Bowl Height
  • From the Wellworth Collection
  • Shown in White; 7 Finishes Available
Shop K-3987

Kohler K-3988

  • Elongated Bowl Shape
  • 14.5 Bowl Height
  • From the Wellworth Collection
  • Shown in Biscuit; 7 Finishes Available
Shop K-3988

Kohler K-3989

  • Elongated Bowl Shape
  • 16.5 Inch Bowl Height
  • From the Highline Collection
  • Shown in Sandbar; 7 Finishes Available
Shop K-3989
× Shipping Rates & Methods

The cost to ship items varies by item, shipment and shipping option.

Free Ground Shipping on Orders Over $49

Standard ground shipping transit time is 5-7 business days.

* This offer excludes deliveries made to Alaska and Hawaii.

Free Freight Shipping on Orders Over $1500

Curb side delivery (also called freight or "LTL" shipping) is reserved for large, heavy, or oversized items like chandeliers, bathtubs, shower doors, etc. Items are palletized and loaded onto a large truck for shipment, and delivered to your curb by scheduled appointment. Transit time is 7-10 business days.

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