KOHLER Highline Biscuit Round Chair height 12-in Rough-In WaterSense 1.6 2-piece Toilet (Seat Not Included)

Name: KOHLER Highline Biscuit Round Chair height 12-in Rough-In WaterSense 1.6 2-piece Toilet (Seat Not Included)
Brand: KOHLER
SKU: 1000572845
Price: 446.62 USD
Availability: InStock
Rating: 4.3 (48 reviews)

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4.3

At a Glance

ADA Compliant

WaterSense Labeled

Round

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Manufacturer Color/Finish: Biscuit

$446.62

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With its clean, simple design and efficient performance, this Highline water-conserving toilet combines both style and function. An innovative 1.28-gallon flush setting provides significant water savings of up to 16,500 gallons per year, compared to an old 3.5-gallon toilet, without sacrificing flushing power. The chair-like height ensures comfortable use.

Two-piece toilet
Round-front bowl offers an ideal solution for smaller baths and powder rooms
Comfort Height feature offers chair-height seating that makes sitting down and standing up easier for most adults
1.28 gallons per flush (GPF)
Standard left-hand Polished Chrome trip lever included
Combination consists of the K-4467 tank and the K-5393 bowl

General
Hardware Color Family	Chrome	Manufacturer Color/Finish	Biscuit
Flush Technology	Gravity fed	Bowl Shape	Round
Toilet Seat Mounting	Top-mount	Flush Type	Single
Material	Vitreous china	Flush Lever Location	Left side
Type	2-piece	Requires Electricity	No
Collection Name	Highline	Outlet Location	Floor outlet
Hardware Finish	Polished	Installation Type	Floor mounted
Color/Finish Family	Off-white

Dimensions
Trapway Size	2-1/8-in	Assembled Weight (lbs.)	90.8
Power Cord Length (Feet)	0	Bowl Height	Chair height
Assembled Depth (Inches)	27.75	Bowl Height with Seat	Seat not included
Assembled Height (Inches)	31.25	Bowl Height without Seat	16-1/2-in
Assembled Width (Inches)	18.125	Rough-In Size	12-in

Features
Deodorizing	No	Self-Cleaning	No
Corner Installation	No	Portable	No
Maximum Flush Rate	1.28 GPF (4.85 LPF)	Remote Control Included	No
Rimless	No	Power Cord Included	No
Seat Secure	No	High Efficiency	Yes
Bidet Function	No	Lined Tank	No
Wax Ring Included	No	Night Light	No
Mounting Bolts Included	No	Seat Included	No
Heated Seat	No	Slow Close Feature	No
Rubber Bumpers Included	No	Lowe's Exclusive	No
Skirted	No	Gallons Per Flush	1.28
Low Profile	No	Supply Lines Included	No
Tankless	No	Toilet Kit	No
Macerating/Upflush	No	Flush Lever Included	Yes
Insulated	Yes

Compatibility
For Commercial Use	No	Smart Compatible	No

Warranty
Warranty	1-year limited

Certifications
CA Residents: Prop 65 Warning(s)	No	WaterSense Labeled	Yes
ADA Compliant	Yes

Miscellaneous
UNSPSC	30181500

Check out the Best Selling Toilets on Lowes.com

Review

4.3 out of 5

48 Reviews

86% Recommend this product

Ratings may include incentivized customer reviews.

What Customers Are Saying

Customers overwhelmingly praise this toilet for its chair-height comfort, powerful single-flush efficiency, and modern design. Most highlight the elevated seating as transformative for ease of use, particularly for older adults, while celebrating its water-saving performance and sleek aesthetics. Many report dramatic reductions in water usage and appreciate the quiet, reliable operation. The smooth porcelain finish and durable construction earn consistent praise for both functionality and bathroom appeal. Installation is generally straightforward. A few note the seat requires separate purchase and occasional minor issues like fill valve noise, though these concerns remain isolated.

Customer review summary generated by AI, including incentivized reviews.

48 Customer Reviews

Sort By

Guts broken

Would Not Recommend

I bought this toilet because the brand has a great reputation. However when my plumber came to intstall the guts were broken, could not tell until it was installed and then went to fill the tank and the whole mechanism floated to the top of toilet. Now I have to get inside guts comparable or take out the whole toilet and return it. Very frustrating and waste of time for me and plumber

FrustratedhomeownerMarch 27, 2026

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Response from Kohler Product Expert

Hello, my name is Jessica with Kohler Customer Service. I am sorry to hear one of the internal valves of your Highline toilet were received broken. W... Read More

Kohler Product ExpertMarch 31, 2026

Kohler-Lowes

Biscuit elegance

Excellent toilet, very sleek and elegant. Love the color

ALTFebruary 16, 2026

From kohler.com

Toilet seat not included.

Would Recommend

GeorgeFebruary 3, 2026
Verified Purchaser

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Why no toilet seat?

Would Not Recommend

The picture shouldn’t include a seat and lid if it’s not included. That’s ridiculous.

JennyJanuary 23, 2026
From Highline White Round Chair height 12-in Rough-In WaterSense 1.6 2-piece Toilet (Seat Not Included)

Was this Review Helpful ?

Response from Kohler Product Expert

Hello Jenny, this is Lisa with Kohler Co. I am sorry to read that the product you received was not what was expected. While the picture shows a sea... Read More

Kohler Product ExpertJanuary 25, 2026

Kohler-Lowes

When installed this style of toilet sits high.

Would Recommend

Installed this product in two of my bathrooms because of its classic look.

BN15November 13, 2025
From Highline White Round Chair height 12-in Rough-In WaterSense 1.6 2-piece Toilet (Seat Not Included) Verified PurchaserIncentivized

Was this Review Helpful ?

Lowes was great to work with

Would Recommend

Quality

RemodelOctober 8, 2025
Verified Purchaser

Was this Review Helpful ?

Waiting two months for bowl

I have been waiting almost 2 months for the bowl portion of the toilet

DeiOctober 2, 2025

From kohler.com

Response from Customer Service

Hello Dei, my name is Meli with Kohler Co. I apologize for the delay with your order. We would love the opportunity to connect directly to check your ... Read More

Customer ServiceOctober 3, 2025

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Tall height	Chair height	Chair height	Chair height	Standard height	Tall height	Chair height	Chair height	Chair height
2-piece	2-piece	1-piece	2-piece	2-piece	2-piece	2-piece	2-piece	2-piece