Best Toilet Water Tanks of 2025

Howard Chester Avatar
Howard Chester
Last Updated: Jan 9, 2025

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Toilet water tanks are an essential part of any modern bathroom. These tanks hold the water that is used to flush the toilet bowl, ensuring that waste is effectively removed from the bowl with each use. Made from durable materials such as porcelain or plastic, toilet water tanks come in a range of sizes and styles to suit any bathroom decor. Many tanks also feature dual-flush technology, allowing users to select a low or high-volume flush depending on their needs. With their practical function and stylish design, toilet water tanks are a must-have for any home or commercial bathroom.

At a Glance: Our Top Picks

PROFLO PF6112 Calhoun Toilet Tank Cover #TOP 1
PROFLO PF6112 Calhoun Toilet Tank
ftb score rating icon 9.8
American Standard Cadet Pro Toilet Tank Cover #TOP 2
American Standard Cadet Pro Toilet Tank
ftb score rating icon 9.7
PROFLO Jerrit Toilet Tank Cover #TOP 3
PROFLO Jerrit Toilet Tank
ftb score rating icon 9.5

Top 10 Toilet Water Tanks

#TOP 1

PROFLO PF6112 Calhoun Toilet Tank

PF6112WH
White
PROFLO PF6112 Calhoun Toilet Tank Cover
PROFLO PF6112WH PROFLO PF6112 Calhoun Toilet Tank Only - Less Seat

The PROFLO PF6112 Calhoun Toilet Tank is a great choice for those looking for a clean and classy look. Made from vitreous china, this tank is fully covered under ProFlo's 1-year limited warranty. The tank utilizes the power of gravity to flush and is WaterSense certified, using 20% less water than the current standard while maintaining superior performance.

What We Like
Classy look
1-year limited warranty
WaterSense certified
#TOP 2

American Standard Cadet Pro Toilet Tank

4188A004.020
White
American Standard Cadet Pro Toilet Tank Cover
American Standard 4188A004.020 Cadet Pro Toilet Tank, White, 3

The American Standard 4188A004.020 Cadet Pro 1.6 GPF Toilet Tank with 12-in Rough-in is a robust, low-consumption tank that features the Cadet Flushing System. It comes with a metal trip lever and metal shank fill valve, and is ADA compliant. Customers have praised its easy installation and perfect fit for their existing toilets.

What We Like
Robust metal trip lever & metal shank fill valve
Low consumption (6.0 LF/1.6 gph)
Easy installation
Perfect fit for existing toilets
ADA compliant
#TOP 3

PROFLO Jerrit Toilet Tank

PF5112BHE
White
PROFLO Jerrit Toilet Tank Cover
PROFLO PF5112BHE Jerrit Toilet Tank Only - Less Seat

The PROFLO Toilet Tank is a smart choice for anyone looking to upgrade their bathroom. It comes with a limited lifetime warranty, ensuring you have peace of mind with your purchase. This tank is designed to coordinate seamlessly with other products from the Jerrit line, making it easy to create a cohesive look in your space. Since it's a tank-only configuration, you have the freedom to choose a matching bowl that fits your style and needs. This flexibility allows you to customize your toilet setup to your liking.

What We Like
Limited lifetime warranty
Coordinates with Jerrit products
Tank-only configuration
Customizable toilet setup
#TOP 4

American Standard Colony 3 Toilet Tank

4425A104.020
White
American Standard Colony 3 Toilet Tank Cover
American Standard 4425A104.020 Colony 3 Toilet Tank, White

The American Standard Colony 3 Toilet Tank, also known as the American Standard Colony Tank, is a high-quality toilet tank designed to work seamlessly with Colony 3 toilet bowls. Equipped with a powerful 3-inch flush valve, this tank provides excellent flushing performance while using only 1.28 gallons of water per flush. This ultra-low consumption feature not only saves water but also ensures efficient performance. The included trip lever adds convenience to the flushing process. Additionally, meeting WaterSense requirements and constructed with durable vitreous china make this tank a reliable and easy-to-clean choice for your bathroom.

What We Like
Efficient 3-inch flush valve
Water-saving design
Convenient trip lever included
#TOP 5

TOTO Drake 1.28 GPF Toilet Tank

ST776EA#01
Cotton White
TOTO Drake 1.28 GPF Toilet Tank Cover
TOTO Drake 1.28 GPF Toilet Tank with WASHLET+ Auto Flush Compatibility, Cotton White - ST776EA#01

The TOTO Drake 1.28 GPF Toilet Tank is a powerful and stylish addition to any bathroom. It features a chrome plated left-hand trip lever, a powerful flush with only 1.28 GPF, and a wide 3 inch flush valve to quickly move water through the Drake TORNADO FLUSH system. It is WaterSense, CALGreen, and CEC compliant, and is compatible with the WASHLET+ auto flush technology when paired with the correct bidet seat.

What We Like
Powerful flush with only 1.28 GPF
Stylish and modern design
Compatible with WASHLET+ auto flush technology
#TOP 6

American Standard Dual Flush Toilet Tank, White

4000204.020
White
American Standard Dual Flush Toilet Tank, White Cover
American Standard 4000.204.020 Studio Dual Flush Toilet Tank Only, White, 3

The American Standard 4000.204.020 Studio Dual Flush Toilet Tank features a siphon action jetted bowl with smooth-sided, concealed trapway, a combination dual flush bowl and tank, and a 12" rough-in. It is designed with high efficiency and low consumption, utilizing 21% less water. The EverClean surface and PowerWash rim make cleaning easier, and it meets EPA WaterSense Criteria. This toilet tank is perfect for anyone who wants to save water and keep their toilet clean with each flush.

What We Like
High efficiency, low consumption, and utilizes 21% less water
EverClean Surface and PowerWash rim for easy cleaning
Meets EPA WaterSense Criteria
#TOP 7

PROFLO PF6110 Toilet Tank

781889249116
White
PROFLO PF6110 Toilet Tank Cover
PROFLO PF6110WH PROFLO PF6110 Calhoun Toilet Tank Only - Less Seat

The PROFLO Toilet Tank is designed to provide reliable performance in your bathroom. Each tank is factory tested, ensuring it operates smoothly and without issues. Made from durable vitreous china, this tank promises longevity and resistance to wear. It is also backed by a one-year warranty, giving you peace of mind with your purchase. Please note that this product is a tank only; you will need to pair it with a compatible bowl for complete installation. The siphon jet feature effectively moves water from the tank to the bowl, ensuring a powerful and efficient rinse every time you flush.

What We Like
Factory tested for reliability
Durable vitreous china construction
One-year warranty coverage
Powerful siphon jet flushing
#TOP 8

KOHLER 4467-0 Wellworth 1.28 gpf Toilet Tank

4467-0
White
One Size
KOHLER 4467-0 Wellworth 1.28 gpf Toilet Tank Cover
Wellworth 1.28 GPF Single Flush Toilet Tank Only in White

The KOHLER 4467-0 Wellworth 1.28 gpf Toilet Tank features a left-hand polished chrome trip lever and coordinates with other products in the Wellworth collection. It has a Class Five(R) system that provides bulk waste flushing performance and best-in-class bowl cleanliness. The 3-bolt installation saves time, while the canister flush valve ensures smooth flushing actuation with consistent water usage. Additionally, it saves up to 16,500 gallons per year compared to a 3.5-gallon toilet without sacrificing performance.

What We Like
Significant water savings of up to 16,500 gallons per year
Left-hand polished chrome trip lever
Class Five(R) system for bulk waste flushing performance and best-in-class bowl cleanliness
3-bolt installation saves time
Canister flush valve ensures smooth flushing actuation with consistent water usage
#TOP 9

American Standard Cadet Pro Toilet Tank

4188A104.021
Bone
American Standard Cadet Pro Toilet Tank Cover
American Standard 4188A104.021 Cadet Pro 1.28 GPF Toilet Tank, Bone, 3

The American Standard Cadet Pro offers an efficient and reliable flushing system, ensuring a powerful clean with every use. Made from durable vitreous china, it promises longevity and easy maintenance. Its space-saving elongated bowl provides comfort while fitting in smaller areas typically occupied by round-front toilets. Additionally, this high-efficiency toilet uses only 1.28 gallons per flush, which is 20% less water than standard models, helping you save on water bills while being environmentally friendly.

What We Like
Efficient flushing system
Durable vitreous china
Space-saving design
Water-saving technology
#TOP 10

ProFlo Jerrit Toilet Tank Only - Less Seat

781889237120
White
ProFlo Jerrit Toilet Tank Only - Less Seat Cover
PROFLO PF5110HEWH PROFLO PF5110HE Jerrit Toilet Tank Only - Less Seat

The ProFlo Jerrit Tank is a tank-only configuration that allows you to choose your preferred matching bowl. This product does not include a toilet seat. With an overall depth of 6-1/4", the ProFlo Jerrit Tank has a flow rate of 1.28 gallons-per-flush and a tank depth of 6-1/4". The tank-only configuration gives you the flexibility to select the perfect bowl for your bathroom. The 1.28 gallons-per-flush flow rate ensures that you conserve water without sacrificing flushing performance. With an overall depth of 6-1/4", the ProFlo Jerrit Tank is a space-saving solution for small bathrooms. The tank depth of 6-1/4" ensures that the tank fits perfectly in tight spaces.

What We Like
Flexible bowl selection
Water-saving
Space-saving
Buying Guide Image

The Ultimate Toilet Water Tanks Buying Guide

Introduction

Toilet water tanks, also known as cisterns, are an essential component of a toilet system. They are responsible for storing and releasing the water needed to flush the toilet. Choosing the right toilet water tank can be a daunting task, especially with the wide range of options available on the market. In this article, we will discuss some factors to consider when choosing a toilet water tank.

Factors to Consider

  1. Size and capacity: Toilet water tanks come in different sizes and capacities. It is important to choose a tank that is appropriate for the size of your bathroom and the amount of water your toilet uses. A tank that is too small will not provide enough water for a proper flush, while a tank that is too large will waste water and be more expensive to maintain.

  2. Flush mechanism: Toilet water tanks use either a gravity flush or a pressure-assisted flush mechanism. Gravity flush tanks use the force of gravity to push the water down into the toilet bowl, while pressure-assisted flush tanks use pressurized air to help push the water out. Gravity flush tanks are more common and tend to be quieter, while pressure-assisted flush tanks are more powerful and efficient.

  3. Material: Toilet water tanks are made from different materials, such as ceramic, plastic, and metal. Ceramic tanks are the most durable and aesthetically pleasing, but they are also the most expensive. Plastic tanks are less expensive and more lightweight, but they are also less durable. Metal tanks are the strongest and most durable, but they are also the heaviest and the most expensive.

  4. Style and design: Toilet water tanks come in different styles and designs to match the aesthetic of your bathroom. Some tanks are designed to be hidden behind the toilet, while others are designed to be a prominent feature of the bathroom. It is important to choose a tank that complements the overall look of your bathroom.

Conclusion

Choosing the right toilet water tank is an important decision that will affect the performance and efficiency of your toilet. By considering factors such as size and capacity, flush mechanism, material, and style and design, you can find a toilet water tank that meets your needs and preferences.

Frequently Asked Questions (FAQs)

1. Can you just buy a toilet tank?

Yes, if your toilet is cracked, leaking, or outdated, you can purchase a toilet tank separately. Toilet tanks are sold separately from the bowls, allowing you to choose a tank that fits your specific toilet model.

2. How do I know what tank to buy for my toilet?

To choose the right tank for your toilet, you need to consider the size of the flush valve, the positioning of the flush lever, and the flushing system. The flush valve, located in the center of the tank, is activated by the flush lever to release water during flushing.

3. Do all toilet tanks fit all toilets?

In general, most toilet tanks are interchangeable if they have the same flushing system and brand. It's also important to ensure that the size of the tank matches the existing pipework. We'll discuss how to identify flushing systems to help you determine compatibility.

4. How do you know if a toilet tank is compatible?

To determine compatibility, you need to check if the layout of the tank-to-bowl bolt holes and the positioning of the spud gasket match between the replacement tank or bowl and the old tank or bowl. If they match, the two parts will connect properly.

5. What are the two types of toilet tanks?

There are several types of toilet tanks: - Standard Tanks: These are gravity flush toilets found in most houses, typically operated by a handle or button. - Dual Flush Tanks: These offer both a full-flush and a half-flush option. - Tankless Toilets: These do not have a separate tank and use a different flushing mechanism. - Alternative Toilets: These include composting toilets or other non-traditional options.

6. Are toilet tank parts universal?

The tank itself is usually a universal fit and will work with most standard toilets. However, specific parts within the tank, such as the fill valve or flush valve, may vary depending on the brand and model of the toilet.

Editor's Notes

During our toilet water tank research, we found 24 toilet water tank products and shortlisted 10 quality products. We collected and analyzed 4,743 customer reviews through our big data system to write the toilet water tanks list. We found that most customers choose toilet water tanks with an average price of $103.78.

The toilet water tanks are available for purchase. We have researched hundreds of brands and picked the top brands of toilet water tanks, including ProFlo, American Standard, TOTO, KOHLER. The seller of top 1 product has received honest feedback from 442 consumers with an average rating of 4.6.

Written by
Howard Chester Avatar

Howard Chester is an architect from New York who holds a master's degree in architectural design, his passions for interior design and home improvement contribute to his extensive knowledge of all things furniture and home goods. Howard Chester Specializes in various architectural and interior design projects. He often publishes articles related to decoration on key websites and interior design magazines.