Kohler K-3978 White 1.6 GPF Two-Piece Elongated Toilet with 12" Rough In from the Wellworth Collection

- Item #: BCI1663451

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  • How to remove and install a Toilet
    If you have been considering replacing your toilet, yet are wondering how complicated of a job this is? Take a moment and we'll show you just how simple this job can actually be.
  • The Kohler Wellworth Toilet, new style and a more powerful flush
    Kohler re-introduces the Wellworth Toilet. With a new, updated design, and a high performance, highly efficient AquaPiston cannister flush. The Kohler Wellworth is a virtually plug free toilet with best in class / best in price performance.

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

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

1.6 GPF Two-Piece Elongated Toilet with 12" Rough In from the Wellworth Collection

Exceptional Performance. Exceptional Value. Wellworth toilets have been an American benchmark for innovation and performance since 1936. With a new design in 2011, the Wellworth toilet brings and elegant flare that complements a wide range of bathroom designs.

  • Elongated, standard height toilet bowl
  • 12" (30.5 cm) rough-in
  • 30" (76.2 cm) x 18" (45.7 cm) x 28-3/4" (73 cm)
  • Class Five - provides tremendous bulk waste flushing performance and best-in-class bowl cleanliness
  • 3-bolt Installation - Three pre-installed tank bolts save installation time
  • Canister flush valve provides smooth flushing actuation with consistent water usage, flush after flush
  • 1.6-gallon per flush toilet
  • Polished chrome trip lever
  • Less seat and supply
  • K-3978 includes: K-4468 Toilet tank and K-4198 Elongated Toilet Bowl

Additional Kohler Links

Our SKU: Kohler K-3978

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

  • Kohler K-3978-47
  • Kohler K-3978-96
  • Kohler K-3978-7
  • Kohler K-3978-NY
  • Kohler K-3978-95
    Ice Grey
  • Kohler K-3978-G9
  • Kohler K-3978-0

*Denotes a finish or option that has been discontinued

Kohler K-3978-0 Product Specifications

Installation Guide
Specification Sheet
Rough In Guide
Bowl Height 14.5
Bowl Shape Elongated
Comfort Height No
Concealed Trapway No
Configuration Two Piece
Country Of Origin USA
Depth 30
Flush Technology Class Five
Flush Type Gravity Flush
Flush Valve Size 3.25
Gallons Per Flush 1.6
Height 29.25
Installation Type Floor Mounted
Insulated Tank No
Made in America Yes
Material Vitreous China
Rough In 12
Seat Included No
Theme Basic
Trapway 2.125, 2.13
Trip Lever Placement Left
WaterSense Certified No
Width 18

Installation Resource Center

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Kohler K-3978 Reviews

Rated 5 out of 5 by from Kohler Wellworth Toilet... Well Worth It! I had first seen the Kohler Wellworth toilet (Apparently the newer version) in a newly constructed Mariott Hotel. I was pleasantly surprised by the size and shape of the toilet. The flush action took everything my family threw at it, as well as still beng a quiet flush. As I had some basis on other toilets, it was time to buy a replacement for the second bathroom, but I did not want to spend $500 doing so. I had decided to get the "New" Wellworth. So here we are, it looks great, performs great, and I was still left with cash in my pocket. Good Job Kohler!
Date published: 2012-03-28
Rated 5 out of 5 by from Nice product Very nice product, easy transaction with Faucet.com. Fast shipping & great communication. Thanks!!
Date published: 2013-10-01
  • Why is there a ring around the inside of the toilet, it feels rough.

    A. I suggest contacting Kohler for this question. Their phone number is 18004564537.

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