Best Colonial One Piece Toilets in 2026

Low-consumption (6.0 Lpf/1.6 gpf)

4" (102 mm) non-adjustable, piston action Accelerator flush valve

12" (305 mm) rough-in

2-3/8" (60 mm) fully-glazed trapway

Rim height at 15" (381 mm)

100% factory flush tested

✅ [Space Saver]: It is a little smaller than a standard toilet. Actually, it’s a perfect size unless you’re an extremely large person. It is a wonderful small toilet for water closets.

✅ [All-in-one packge]: Package Includes toilet, pre-installed soft closing toilet seat, pre-installed water fitting , high quality wax ring , floor bolts , and installation instruction, also Include special hand wrench tool to easily tighten the bolts in narrow spaces.

Single flush left front lever

ADA compliant which means its ideal for the elderly and individuals with disabilities. 16-3/4" rim height offers chair-height seating that makes sitting down and standing up easier for most adults

♦ STRONG BUT QUIET DUAL FLUSH: High efficient dual flush valve (0.8/1.6 GPF) features quiet and strong flush. Offer option of using less or more water as the situation demands to save more water.The bowl designed with double cyclone flushing system instead of transitional rim holes to create a powerful whirlpool to clean the entire bowl surface completely.

♦ EASY TO INSTALL: Top mounted installed soft close seat included, quick release design, easier to install, remove & maintain. Side holes opening in both side of toilet for fixing the bolts easier. Provide future replacement seat cover for purchasing separately ( Search ASIN:B08RNGSWB4 )

♦ Rough-in: 12 inches. Do not fit 10" rough-in.

Soft-Close, Quick-Release Toilet Seat

Includes Tank, Bowl, Seat, Wax Ring, Bolt Kit, and Cover Caps

Standard left hand trip lever included

1.28 gallons per flush (gpf)

Includes brevia quiet close seat

Single flush gravity uses the force of gravity and a precision engineered tank, bowl, and trapway to create a strong siphon during flushing

AquaPiston canister allows water to flow into the bowl from all sides (360 degrees), increasing the power and effectiveness of the flush

Flush valve's 3:2 ratio harnesses the natural force of gravity and optimizes flush performance

Durable canister design has 90 percent less exposed seal material than a 3 inch flapper, for leak free performance

Comfort Height(R) feature offers a chair-height seat that makes sitting down and standing up easier for most adults.

Left-hand nested trip lever offers a choice of 1.1 or 1.6 gallons per flush (gpf).

Combination consists of the the K-4199 bowl and the K-4458 tank.

Rounded siphon action bowl.

2" Fully-glazed trapway. - Dual flush water saver

AquaPiston canister allows water to flow into the bowl from all sides, creating a morepowerful & effective flush

Durable canister design has 90% less exposed seal material than a 3-inch flapper, for leak-free performance

Included components: ULTIMATE ROUND 1-PC TOILET W/ SC SEAT--COLONIAL WHITE

✅ [EASY TO CLEAN DESIGN AND EASY INSTALL ]: Skirted design with sleek look,no corners,no grooves, very easy to reach for cleaning Double nozzle flushing function in the bowl creates powerful flush with less water and easier cleaning.Side holes offer easy access to fixing the floor bolts.

✅ [ DIMENSION & REMINDER ] Length:26.75", Width:14.5", Height:24.5. Standard 12" rough-in. Due to the bowl design, the toilet is incompatible with most of bidet seat. Please make sure the design and dimension will work for you before your purchasing.

[All-in-One Package Design]: Includes toilet, pre-installed soft closing toilet seat, high quality wax ring, floor bolts, and installation instruction, Easy installation Design: Include special hand wrench tool to easily tighten the bolts in narrow spaces

[High-end Soft Closing Seat with Stainless Steel Durable Seat Hinge]: Easy to get the toilet seat off to tighten or clean after years of use

[Certification]: UPC and CSA, High-efficiency, Water Sense Certified toilet - meet or exceed ANSI Z124. 1 and ANSI A112-19. 7：Products approved and meet the Massachusetts Plumbing and Gas Code

[Luxurious Modern Design]: Clean, sleek look and compliment with different styles like modern, craftsman, traditional and etc.

Space Saver Toilet: This toilet measures just 28.75 inches deep by 14 inches wide and 28 inches high, ensuring plenty of room for comfort in a small space. Great for apartments, small bathrooms, ensuite bathrooms, and more.

Water Saving Performance: This water saving toilet labeled Watersense meets strict EPA flushing guidelines, a highly efficient toilet that allows you to proactively conserve water by using a 1.28GPF side flush. It uses 20 degree less water and performs as well as or better than regular toilets.

High-Quality Toilet Seat: This white finish toilet comes with soft closing seating that makes sitting down and standing up easier for most adults, also no worry about slamming and the bumpers prevent the seat from shifting during use. And the PP seat with a stainless steel durable hinge, easy to get the toilet seat off to tighten or clean after years of use.

Quite and Powerful Flushing: Siphon Flushing one piece toilets that uses a patented flushing engine, bringing super quiet and powerful flushing. Great Maximum Performance Flush score of 800 grams, it can flush 4X more than the average adult needs. Fully glazed 2" trapway - NO clogs, No flapper, No leaks.

Warranty: HOROW toilets are warranted to be free of defects for one year from the date. We value each customer’s shopping experience, therefore our toilets come with lifetime after-sales service and 1-year limited warranty. Our customer service center will respond to messages within 12 hours.

Certifications: cUPC,UPC and Water Sense certified. CEC compliant. cUPC certified water flush valve.

Note: This bathroom toilet is designed for floor mounting, 12” Rough-in. It fits both 7/8'' water line and 1/2'' water line. If your supply line size is 7/8", you could directly connect your water line to the toilet. If your supply line size is 1/2", please screw off the adapter, then connect it.

Soft-closing Seat: Elongated Toilets Seat Close Slowly And Quietly, Don't Worry About Waking Up Your Family When Going To The Toilet At Night.

After-sale Service: Simple Project Always Deliveried Quality Product And Responsible Service To Our Customer, If You Have Any Questions After Receiving The Product, Please Feel Free To Contact Us, We Will Reply You Within 24 Hours And Provide 1v1 After-sales Service.

Our toilet is perfect for both residential and commercial use, ensuring top-quality performance comparable to everyday conversations. Rest assured with our American cUPC certification, ensuring our product is trustworthy and up to the highest standards."

size:27*15*31inches,

Soft close seat included. No more slammed lids

TOTO wash let+ upgrade compatibility: designed to work with a T40 wash let+ bidet seat for seamless integration

🚽 Easy Installation And Cleaning: The Round Comfort Height Toilet Come Pre-installed, Making Installation Quick And Easy. With A Standard 12-inch Rough-in Fits In Most Bathrooms Without Extensive Renovation Work. With Easy-to-remove Soft-close Seat, The Compact Toilet Is Easier To Clean While Maintaining A Quiet Environment.

🚽 Perfect For Small Spaces: Sleek And Modern Black Design Toilet With Low Tank, Small And Compact Modern Toilet Ideal For Small Spaces Such As Tiny Homes And Bathrooms Where Space Is Limited.

🚽 After-sale Guarantee: One Piece Toilet Provides 2-year Warranty Service, If You Encounter Any Problems After Receiving The Toilet, Please Do Not Hesitate To Contact Us, We Will Reply You Within 24 Hours.

Elongated one-piece Skirted Design toilet, easier to maintain versus a two-piece toilet

ADA, WaterSense, CALGreen, and CEC compliant

[Easy installation] Handicap toilet includes everything you need including toilet bowl, tank, slow closing seat, wax ring and hardware and is easy to install following the instructions.(Note: The package is equipped with a flange, which helps to isolate odor and prevent sewage leakage after installation.)

[Professional After-sale Service] Our after-sales service team of power flush toilet has been committed to providing you with reliable after-sales service. Please write down your questions or concerns or email us, and we will respond within 24 hours.

"2" fully-glazed trap-way with 100% factory flush tested.

Unit ships ready to install: Package Includes toilet, pre-installed soft closing toilet seat, pre-installed flush valve, high-quality wax ring, floor bolts, and also installation instructions

100% Quality Assurance: KE KING is committed to providing the best user experience, if you have any questions about our products, please feel free to contact us first. Our quick response support team is always there.

Easy to Clean: The fully glazed bowl is designed to stay clean, so you won’t need to get out the toilet brush often

Peaceful use: The modern toilet comes with a soft closing PP seat, which will avoid any clattering when you use the toilet, great choice to keep the peace in an en suite bathroom

Easily Installed: Two big installation access on the side allows the plumber to install this dual flush toilet much easier. Package includes toilet, soft closing toilet seat, pre-installed flush valve, high-quality wax ring, floor bolts, and also installation instruction

Life-Time After-Sales Service: HOROW values each customer’s shopping experience and believes in the quality of our products, therefore our toilets comes with lifetime after-sales service and 1 year limited warranty. Our customer service center will respond to messages within 12 hours

Certification: cUPC,UPC and Water Sense certified. CEC compliant. cUPC certified water flush valve

Note: This toilet is designed for floor mounting, 10” Rough-in. It works for U.S. standard 7/8'' waterline. An adapter for 1/2'' waterline is pre-installed. The toilet for 12'' Rough-in is also listed, please choose the correct one for your bathroom plumbings

✅【Easy Install】: Our toilet fits both 7/8'' water line and 1/2'' water line. If your supply line size is 1/2", you could directly connect your water line to the toilet. If your supply line size is 7/8", please remove the adapter, then connect it.

✅【Warranty】: One-year warranty on toilet, flushing mechanism and Soft-Closing toilet seat.