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Bath
Toilets & Bidets
Toilets
SKU: KOH19180
Part #: K-3978-0

Wellworth® 1.6 GPF Elongated Two-Piece Toilet (Seat Not Included), White, Left-Hand

Wellworth® 1.6 GPF Elongated Two-Piece Toilet (Seat Not Included), White, Left-Hand

Wellworth® 1.6 GPF Elongated Two-Piece Toilet (Seat Not Included), White, Left-Hand

Wellworth® 1.6 GPF Elongated Two-Piece Toilet (Seat Not Included), White, Left-Hand

Wellworth® 1.6 GPF Elongated Two-Piece Toilet (Seat Not Included), White, Left-Hand

Wellworth® 1.6 GPF Elongated Two-Piece Toilet (Seat Not Included), White, Left-Hand

Wellworth® 1.6 GPF Elongated Two-Piece Toilet (Seat Not Included), White, Left-Hand

Wellworth® 1.6 GPF Elongated Two-Piece Toilet (Seat Not Included), White, Left-Hand

Wellworth® 1.6 GPF Elongated Two-Piece Toilet (Seat Not Included), White, Left-Hand

Wellworth® 1.6 GPF Elongated Two-Piece Toilet (Seat Not Included), White, Left-Hand

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Wellworth® 1.6 GPF Elongated Two-Piece Toilet (Seat Not Included)

Wellworth® 1.6 GPF Elongated Two-Piece Toilet (Seat Not Included)

$437.00

Softclose® Ultra Slim Non-Slamming Elongated Toilet Seat

Softclose® Ultra Slim Non-Slamming Elongated Toilet Seat

$143.00

Buy Both: $580.00

Kohler

Wellworth® 1.6 GPF Elongated Two-Piece Toilet (Seat Not Included)

$437

or

As low as$28/mo.$28/mo.or 0% APR with Affirmor 0% APR with Affirm

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Customer Reviews

4.6

Rated 4.6 out of 5 stars.

159 Reviews

Our customers say

This product is praised for its functionality, style, and ease of installation. Customers appreciate its efficient flush, sleek design, and convenient height, although some found the height lower than expected. While generally positive, a few reports mention minor cosmetic flaws upon delivery.

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Showing 1-5 of 159 reviews

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Rated 3 out of 5 stars.

JohnArlington, TX

01/08/2026

Rated 5 out of 5 stars.

CathleenAnnapolis, MD

Finish:White

Great toilet. Flushed well. The elongated bowl adds comfort.

11/30/2020

Rated 5 out of 5 stars.

RyanLanesville, IN

Finish:White

Modern stylish look, looks great on tile floor

09/29/2019

Rated 5 out of 5 stars.

JackVA

Finish:White

Very nice! Great quality and very comfortable.

08/02/2017

Rated 5 out of 5 stars.

JamieUS

Finish:White

We’ve had Kohler before and they have been great and this no different. Great product

04/05/2024

Product Dimensions

A larger flush valve diameter indicates that the toilet flows water along faster, resulting in a stronger and more effective flush
A larger trap way diameter reduces the chance of clogging and overflow

Warranty

Commercial Warranty

Yes

Product Warranty

Yes

Full or Limited Warranty

Limited

Warranty Length

1 Year

A benchmark of American innovation and engineering, this well-worth toilet displays graceful curves that fit a wide variety of bathroom motifs. A powerful 1.6-gallon flush delivers strong, reliable performance, and the elongated bowl ensures comfort.

Documents & Information

Other (pdf)
Warranty Information (pdf)
Specifications (pdf)
Specifications (pdf)

30-Day Return Policy

Not loving it? We offer returns for most items within 30 days of delivery for a refund or store credit.

Additional Features

Provides bulk waste flushing performance and best-in-class bowl cleanliness
Trip lever orientation - Left hand
Material details - Vitreous China
Wellworth collection
KOHLER toilets and seats limited warranty

Tank

18'' W X 8.5'' D

Overall Dimensions

29.25'' H X 18'' W X 30'' D

Trapway Diameter

2.13''

Toilet Seat Height - Top to Bottom

14.5'' H

Flush Valve Diameter

3.25''

Rough In Size

12''

Features

Material

Ceramic, Vitreous China

Bowl Shape

Elongated

Flush Type

Gravity

Gallons Per Flush

1.6 gallons

Pieces Included

Tank Lever, Flush Valve, Closet / Johni Bolts

Assembly

Mounting / Installation Required

Yes

Installation Type

Floor Mounted