Best Round Toilet Water Tanks in 2026

Tank only

High efficiency, ultra-low consumption (1.28 gpf/4.8 Lpf), utilizes 20% less water

Metal trip lever

CERTIFICATIONS GALORE: fixture dimensions and hydraulic performance meets or exceeds the following specifications: ANSI/ASME A112.19.2M and CAN/CSA B45 requirements, IAPMO/UPC certificate of listing and EPA WaterSense labeled.

CAREFUL CLEANING: It is recommended to not use harsh cleaning ingredients on this bowl to maintain it's long lasting life. In tank cleaners are not recommended and products containing chlorine could damage the internal components.

DURABLE MATERIAL: Our toilet tanks are made of vitreous china, enabling a long life and classic look while also suiting your needs.

Adjustable height

Dual flush with high-performance gravity offers you the choice of full or partial - 0.8/1.6 gallon per flush (gpf)

Large flush actuator plate opening can be removed for easy access to the inner tank and to speedy valve

Class Five flushing technology provides tremendous bulk waste flushing performance and best-in-class bowl cleanliness

Canister flush valve provides smooth flushing actuation with consistent water usage, flush after flush

Combines with K-4436 Wellworth toilet tank to create K-3575 Wellworth round-front toilet with 12-Inch rough-in

Features the Cadet Flushing System

Vitreous china

Low consumption (6.0 Lpf/1.6 gpf) toilet

High Efficiency, Ultra-Low Consumption(4.8Lpf/1.28 Gpf), Utilizes 20% Less Water

Only for Concealed Trap-Way Bowl. Oversized 3 Inches flush valve

EverClean surface inhibits the growth of stain and odor

Tank only configuration - giving you the opportunity to select your matching bowl

Toilet seat not included with this product

Overall Depth: 8-1/2" (furthest points back to front)

700W MACERATING TOILET -- New Model constructed with strong 700W macerator pump electric motor and copper wires inside, and thanks to the stainless steel non clog blades which provides a low noise flush operating work. It use the new technology where it grinds or blends human waste into a slurry, and then move it into a stack by pumping.

PACKAGE INCLUDED-- Using this toilet offers you an opportunity to save water as it only uses 1.6 GPF. One of the advantages of using the toilet is that it is packaged with the bowl, tank, and pump, even a connecting pipe between toilet and pump for whom want to hide their pump. so you do not have to get the different components separately.

4 MORE CONNECTION -- It has fully automatic wasteware detection and it pumps up to 328ft horizontally, or 29.5 ft vertically, plus the 4 water inlets can be connected to a toilet plus any number of other sanitary devices, such as a sink, urinal, hand basin, or bath. The porcelain material makes the toilet remain hygienic and clean for a longer time, too

Durable, maintenance free design

Saves 0.5 - 0.75 gallons water with each flush

Easily hangs inside toilet tank– fits most standard toilet tanks

Fully covered under ProFlo's 1-year limited

Made from vitreous china for a clean and classy look

Tank utilizes the power of gravity to flush

Tank only configuration - giving you the opportunity to select your matching bowl

Made of vitreous china

Toilet seat not included with this product

Saves you a lot of space, especially in a small bathroom / powder room Easy to clean underneath the toilet bowl - No more kneeling, just wipe your floors with a damp mop! The toilet bowl is fully glazed Wide trap-way opening to prevent toilet of clocking

Dual flush system - Great way of water-saving 1.6 gallons on full flush and 1.1 gallons on partial flush Adjustable height for flexibility - Up to an additional 3.5 inches.

StormOn flush - Bowl will always stay clean with our vertex powerful Washdown Jets. All mounting hardware is included

Durable and easy to clean vitreous china construction

Ever Clean surface inhibits the growth of stain and odor-causing bacteria, mold and mildew on the surface

Oversized 3 inch flush valve with chemical resistant flapper

Meets EPA WaterSense criteria

Ultra high efficiency toilet (UHET) uses 4.2Lpf/1.1gpf

Vitreous china is durable and long-lasting

High Efficiency, Low Consumption (1.28 gpf)

Meets definition of HET (High Efficiency Toilet)

Round front siphon action bowl

Product name : toilet flush push button; design : double button, round shape

Mount type : top mount; button surface diameter : 50Mm/2"

Mount diameter(thread dia) : 57Mm/13/4Pt; spindle size : 10. 5 x 0. 7Cm/4. 1" x 0. 28"(Ld)

Tank only configuration - giving you the opportunity to select your matching bowl

Built from vitreous china

Toilet seat not included with this product