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The 8 Best toilet water tanks of 2025

Are you trying to find toilet water tanks among various brands on the market but aren’t sure where to begin? To assist you in finding the right one, we’ve put together a list of the 7 best to help you pick the perfect one!

We investigated and evaluated a number of the top-selling toilet water tanks on the market in order to create our list of the best. Making a decision among the many options available is never simple. There are an infinite number of models available, each with a distinct price. And as you’ll find out, the best options aren’t usually the ones you imagine! This comparison is rich and relevant because of the numerous factors that were employed. You will find products featured in this ranking not only based on their pricing but also on their features and other customers reviews. To write this review, we completed 10 hours of research and did 83 toilet water tanks tests. You won’t need to pick products at random any more. If you’re unsure of what to look for, browse our list and consult the buying guide!

An overview of our top picks

Table of contents

The best toilet water tanks you can buy today

No. 1
PROFLO PF5112HEWH PROFLO PF5112HE Jerrit Toilet Tank Only - Less Seat
  • 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)
  • Flow Rate: 1.28 gallons-per-flush
  • Tank Depth: 8-1/2"
No. 2
PROFLO PF6112WH PROFLO PF6112 Calhoun Toilet Tank Only - Less Seat
  • 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
  • WaterSense certified - toilet uses 20% less water than the current standard while maintaining superior performance
SaleNo. 3
American Standard 4188A004.020 Cadet Pro Toilet Tank, White, 3
  • Low consumption (1.6 gpf/6.0 Lpf)
  • Trade specific tank
  • PowerWash rim scrubs bowl with each flush
  • Metal trip lever
  • Metal shank fill valve
  • Compatible with Cadet Pro RH Toilet (3517A.101, 3517B.101, 3517C.101, 3517D.101)
  • Includes EZ-Install Tools
  • EverClean Surface
  • 3" (76 mm) flush valve
  • Five-year warranty
  • Low consumption (60 Luff/16 gaff) toilet Trade exclusive tank
  • Item Collection Name: Cadet American Standard
  • Variant Color: White
  • ADA Compliant: Yes
SaleNo. 4
American Standard 4000.101.020 Cadet 3 Flowise 1.28 Gpf 12-inch Rough In Toilet Tank for Concealed Trap Bowl, White
  • THIS TANK ONLY WORKS WITH THESE 2 BOWLS: 3075000.020 or 3053000.020
  • Only for Concealed Trap-Way Bowl. Oversized 3 Inches flush valve
  • EverClean surface inhibits stains and odors
  • High Efficiency, Ultra-Low Consumption(4.8Lpf/1.28 Gpf), Utilizes 20% Less Water
  • 12" (305 mm) rough-in
  • PLEASE READ THE SPECIFICATION SHEET & INSTALLATION GUIDE IN THE Product guides and documents SECTION OF THIS LISTING BEFORE PURCHASING.
  • Verify the model number of your toilet bowl prior to ordering. It will be stamped on the back part of your bowl.
No. 5
American Standard 4425A104.020 Colony 3 Toilet Tank, White
  • Compatible ONLY with Colony 3 toilet bowls, 3437A101, 3437C101 and 3437D101
  • Fitment trouble shooting tips: This toilet is designed to rough-in at a minimum dimension of 305mm (12") from finished wall to C/L of outlet. Supply not included with fixture and must be ordered separately. Dimension shown on package 12" is Rough in explanation. A toilet's rough in measurement is the space between the wall behind the toilet and the center of the waste pipe. Standard toilet rough in dimensions are 12 inches but can be anywhere from 10 to 14 inches in some cases.
  • Ultra-low consumption uses 1.28 gpf/4.8 Lpf; 20% less water than a regular toilet without sacrificing performance
  • Trip lever included. Great flush performance with 3-in. flush valve
  • Meets WaterSense requirements
  • Durable and easy to clean vitreous china construction
SaleNo. 6
American Standard 4188A104.021 Cadet Pro 1.28 GPF Toilet Tank, Bone, 3
  • Features the Cadet« Flushing System
  • Vitreous china
  • Space saving elongated bowl fits in space of a round front
  • High Efficiency Toilet (HET), ultra-low consumption (4.8 Lpf/1.28 gpf), utilizes 20% less water
  • Meets EPA WaterSense« criteria
SaleNo. 7
American Standard 4225A.104.020 Champion PRO 1.28-Gallon Per Flush Toilet Tank, White
  • Features Champion Flushing System
  • Vitreous china is reliable and long-lasting
  • Meets EPA WaterSense Criteria
  • Trade exclusive tank
  • Robust metal trip lever and metal shank fill valve
  • Chrome finish trip lever is supplied
  • Includes EZ-Install tools w/color match bowl caps
SaleNo. 8
American Standard 4385A104.020 Vormax High Efficiency Toilet Tank, White
  • Complete toilet tank with coupling components
  • Chrome Trip lever
  • Dual injection flush valves
  • Transitional styling
  • 12 inch (305 mm) rough-in
No. 9
Cimarron 1.6 gpf toilet tank
  • 1.6 gpf (6.0 lpf)
  • Left-hand Polished Chrome trip lever
  • Combines with the K-31588 or K-31589 bowl to create a complete K-31620 or K-31640 Cimarron toilet
  • AquaPiston canister optimizes the flow out of the tank, harnessing gravity and the natural powerful reducing cascade of water to increase the power and effectiveness of the flush
  • Easy-to-flush canister design requires less force to actuate than a 3-in (76 mm) flapper, and has 90% less exposed seal material which resists conditions that cause wear, tear, shrinkage and swelling
SaleNo. 10
American Standard 4000.204.020 Studio Dual Flush Toilet Tank Only, White, 3
  • Siphon action jet
  • Combination dual flush bowl and tank, with seat
  • 12" (305 mm) rough-in
  • Siphon action jetted bowl with smooth-sided, concealed trapway
  • High efficiency, low consumption: Full Flush 1.6gpf/6.0Lpf, Conserving Flush 1.1 gpf/4.1Lpf,
  • Utilizes 21% less water
  • Meets EPA WaterSense Criteria (Pending)
  • EverClean Surface
  • PowerWash rim scrubs bowl with each flush
SaleNo. 11
American Standard 4188A104.020 Cadet Pro Toilet Tank, White
  • Tank only
  • High efficiency, ultra-low consumption (1.28 gpf/4.8 Lpf), utilizes 20% less water
  • Metal trip lever
  • Metal shank fill valve
  • EverClean Surface
  • Meets EPA WaterSense criteria
  • Compatible with Models: 215AA104, 215BA104, 215CA104, 215DA104 and 215FC104
  • Please contact the American Standard Customer Care department for more information prior to purchase.
  • NOTE: refer to the Specification sheet and Installation Manual located in the Product Guides and documents area below prior to ordering..
No. 12
SaleNo. 14
Wellworth 1.28 GPF Single Flush Toilet Tank Only in White
  • 1.28 gpf (4.8 lpf).
  • Left-hand Polished Chrome trip lever.
  • Combines with the K-4199 bowl to create a complete K-3999 Highline toilet.
  • Combines with the K-5393 bowl to create a complete K-5481 Highline toilet.
  • Coordinates with other products in the Wellworth collection.
SaleNo. 15
Cimarron 1.28 Gpf Toilet Tank
  • 1.28 gpf (4.8 lpf)
  • Left-hand Polished Chrome trip lever
  • Combines with the K-31588 bowl to create a complete K-31621 Cimarron elongated toilet
  • Single-flush gravity uses the force of gravity and a precision-engineered tank, bowl, and trapway to create a strong siphon during flushing
SaleNo. 16
American Standard 4188B104.020 Toilet Water Tank, White
  • Toilet Tank only
  • PowerWash rim scrubs bowl with each flush
  • High Efficiency Toilet (HET), ultra-low consumption (4. 8 Lpf/1. 28 gpf), utilizes 20% less wate
  • Meets Water Sense criteria
  • High Efficiency Toilet (HET), ultra-low consumption (4.8 Luff/1.28 gaff), utilizes 20% less water
  • Item Collection Name: Cadet American Standard
  • Variant Color: White
  • Material: Porcelain
  • ADA Compliant: Yes
SaleNo. 17
Kohler WINDHAM 1.28 GPF TANK
  • Windham Toilet Tank
No. 18
Kingston™ 1.28 Toilet Tank
  • Efficient and durable for commercial applications
  • Toilet Tank Only - Bowl & Seat Sold Separately
  • Vitreous China
  • Class Five Flushing system.
  • Includes left-hand polished chrome trip lever.
No. 19
PROFLO PF5112NHE Jerrit Toilet Tank Only - Less Seat
  • 1.28 GPF HET
  • EPA WaterSense certified
  • Chrome lever included
  • Rough in: 12"
  • Flush valve: 2"
No. 20
PROFLO PF5112UHEWH PROFLO PF5112UHE Jerrit Toilet Tank Only - Less Seat
  • Tank only configuration - giving you the opportunity to select your matching bowl
  • Built from vitreous china
  • Toilet seat not included with this product
  • Overall Depth: 8-3/8" (furthest points back to front)
  • Flow Rate: 1.28 gallons-per-flush

How to choose a good toilet water tanks

Does the idea of finding a fantastic toilet water tanks make you anxious? When it comes to purchasing this product, specifically when deciding which model to select, has your head been spinning between options? You are not alone if that is the case. We are aware of the pressure involved in the purchasing process!

Your presence here indicates that you are interested in toilet water tanks. Before choosing which product would be the best for your needs after being inundated with information, locate a reliable source with genuine selections. You can get that information from a variety of sources, including buying guides and rating websites, word-of-mouth recommendations from friends and family, online discussion forums where users can share their own experiences, product reviews that can be found all over the internet, and YouTube channels. You can only get the right product through exhaustive analysis. But you realize that’s not always simple. In order to ease your concerns, we have taken the time to develop a list of the top toilet water tanks products available right now. You might be wondering how we came up with the list. How was this buying guide developed?

First, we used our algorithms to gather as much reliable data as we could about these products. To verify all the data gathered, we used both artificial intelligence and a lot of algorithms.
Then, our experts used criteria that are recognized in the business to evaluate them according to their quality to price ratio, allowing us to choose the top toilet water tanks on the market right now!

The selection of the goods is not arbitrary. Before creating a list, we take into account a number of factors. Below are some of the criteria discussed:

Brand Value: What happens if you choose a dubious brand just because it appears to be a good deal? So the likelihood of receiving a product with a short shelf life increases. That is due to the fact that well-known brands have a reputation to uphold, while others do not. Top toilet water tanks brands strive to provide some distinctive traits that set them apart from the competition. So, hopefully one or more of the items on our list will be perfect for you.

Features: Useful features are all you need, not tons of them. We consider the important aspects and select the top toilet water tanks based on those.

Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products with higher specifications, but with the right balance.

Quality: A product’s quality may always be quantified with the aid of numbers. We look for goods with better standards that strike the proper balance. The best quality product that gets highly appreciated and recommended by experienced users.

Customer ratings:  Would it be accurate to suggest that the toilet water tanks were used by hundreds of customers before you? Superior ratings indicate that many customers had better service.

Customer Reviews: Like ratings,  provide you with accurate and reliable information about the product from genuine customers. Customer ratings are very important to all of us because they contain accurate and reliable information about the customer service we received from several hundred customers.

Seller Rank: This is very intriguing! Not only do you need a good toilet water tanks, you also need a product with rising sales that is trendy. It accomplishes two goals. First, the expanding user base proves the quality of the product. Second, given that number, producers must be able to offer greater quality and after-sales support.

Value: You get what you pay for, they say, so consider the value. Cheap isn’t always good and expensive isn’t always bad. However, that does not imply that spending a lot of money on a product that is flashy but underwhelming is a good idea. Before adding them to the list, we make an effort to evaluate how much value you can get for your money from your toilet water tanks.

Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting toilet water tanks for months and years to come.

Product availability: Products come and go, and new ones replace the old ones. Most likely, a few new features and required changes were made. What use is it to use a supposedly good product if the maker no longer supports it? We make an effort to highlight products that are current and offered by one or more trustworthy sellers, if not more.

Negative Reviews: Yes, we do take that into account as well! The goods with the majority of bad reviews are filtered out and disregarded when we choose the best-rated one on the market.

These are the standards by which we selected our toilet water tanks. Do we end our process there? Hell no. The most crucial fact about us that you should be aware of is that we regularly update our website with current and pertinent information. We have one more layer of filtration since we place the greatest importance on reader satisfaction. Please let us know if any product included here is incorrect, irrelevant, subpar, or simply out of date. We always value your opinions, and we’ll work hard to make any necessary corrections to our list in response to them.

Why should you believe us?

There are now thousands of possibilities for these products on Amazon, but choosing the best one can be difficult and time-consuming. And what toilet water tanks should you purchase in 2022?

This guide is the result of more than 10 years of experience in researching, testing and writing about many topics. Each member of our team is an authority in their area. We read every article we could find online and every consumer review on every retail website for seven hours. Additionally, we discovered a ton of websites that offered helpful resources, including buying tips and thorough information on toilet water tanks.