KOHLER Highline White Elongated Chair height 12-in Rough-In 1.6 GPF 2-piece Toilet (Seat Not Included)

Name: KOHLER Highline White Elongated Chair height 12-in Rough-In 1.6 GPF 2-piece Toilet (Seat Not Included)
Brand: KOHLER
SKU: 1000574531
Price: 547.45 USD
Availability: InStock
Rating: 4.4 (20 reviews)

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Is it ADA compliant?How many gallons per flush?What is the warranty length?Can I install it on my own?Does it include a toilet seat?

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Highline Pressure Assist toilets offer the style to fit a residential bathroom combined with the flush power to perform in a public restroom.

Elongated bowl
Equipped with Sloan FLUSHMATE- Sloan Valve Company
Polished chrome trip lever
Less seat and supply
2-1/4-in (57 mm) glazed trapway
12-in (305 mm) x 10-in (254 mm) water area
Includes trip lever, less seat and supply
Pressure Lite toilets utilize 1.6-gallon per flush
Large 10-inch x 12-inch water surface helps keep bowl clean and reduces odors

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

Dimensions
Trapway Size	2-1/4-in	Assembled Weight (lbs.)	103
Power Cord Length	0	Bowl Height	Chair height
Assembled Depth (Inches)	30.5625	Bowl Height with Seat	Seat not included
Assembled Height (Inches)	31.25	Bowl Height without Seat	17-in
Assembled Width (Inches)	21.25	Rough-In Size	12-in

Features
Deodorizing	No	Self-Cleaning	No
Corner Installation	No	Portable	No
Maximum Flush Rate	1.6 GPF (6.06 LPF)	Remote Control Included	No
Rimless	No	Power Cord Included	No
Seat Secure	No	High Efficiency	No
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	1.6
Low Profile	No	Supply Lines Included	No
Tankless	No	Toilet Kit	No
Macerating/Upflush	No	Flush Lever Included	Yes
Insulated	No

Compatibility
For Commercial Use	No	Smart Compatible	No

Warranty
Warranty	1-year limited

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

Miscellaneous
UNSPSC	30181500

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Review

4.4 out of 5

20 Reviews

3 Star

86% Recommend this product

Ratings may include incentivized customer reviews.

20 Customer Reviews

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Best ever.

This toilet is the sh*t. I have a new construction with the worst builder standard toilets. Im a licensed service plumber. The previous toilets had a low water level in the bowl and would have to scrub the toilet after each flush. The kohler is a little louder and might be a problem in a smaller house with thin walls. It seems louder due to all the tile in commercial bathrooms that echo the sound. Ive had this in my master bath upstairs for a couple weeks now and no issues with having to clean o...

SatchMay 1, 2026
Verified PurchaserIncentivized

https://photos-us.bazaarvoice.com/photo/2/cGhvdG86bG93ZXM/24f88304-bdc7-5e06-81de-3901528827ef

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Excellent flush performance

Would Recommend

Needed a pressure assisted toilet to help with a level drain line in an older home. The Sloane Flushmate mechanism seems to be the gold standard, and this Kohler has it. Ordered it and picked it up a few days later . Matched it with a new rubber drain seal, and installation was straight forward. I did have to adjust the trip lever/actuator gap, but there are included instructions, and plenty of YouTube videos to follow. Fortunately, no leaks after installing. The flush cycle is very powerful an...

EricNovember 9, 2025
Verified Purchaser

https://photos-us.bazaarvoice.com/photo/2/cGhvdG86bG93ZXM/69f090fb-0703-5cf7-9b8f-3208b7588121

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Good Product

Would Recommend

Easy to Install, good price. Would purchase again!!

EvolutionSeptember 12, 2025
Verified PurchaserIncentivized

https://photos-us.bazaarvoice.com/photo/2/cGhvdG86bG93ZXM/c86d2cd0-9ade-571d-9666-e3ce3590996b

https://photos-us.bazaarvoice.com/photo/2/cGhvdG86bG93ZXM/804bcd91-6be5-558d-b6b4-2dddbf66f9fb

Was this Review Helpful ?

Quality and power flush

Would Recommend

The overall finish and power flush quality is excellent

ArunSeptember 7, 2025
Verified PurchaserIncentivized

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Great for problem toilets that don't flush well/co

Would Recommend

This toilet flushes with power and refills quickly.

August 28, 2025
Verified Purchaser

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Great Toilet

Would Recommend

Very easy to install. We had purchased the previous model last year and was impressed enough to buy one for our second bathroom. The only difference was the suffix SS at the end of the model number, otherwise it seems identical to last years model. It is advertised as "Pressure Lite", yet the pressure assist function seems the same and does a great job. A great product, would definitely recommend.

ADKsJune 5, 2025
Verified PurchaserIncentivized

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Everyone should have one.

Would Recommend

Excellent quality. powerful, clean flush technology.

robert7878April 9, 2025
Verified PurchaserIncentivized

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Powerful flush

Would Recommend

This toilet is worth every penny! It flushes like a commercial toilet.I don't particularly like the height, but my husband loves it. I would definely recommend it.

DogmomMay 23, 2024
Verified Purchaser

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2-piece	2-piece	2-piece	2-piece	2-piece	2-piece	2-piece	2-piece	2-piece