Going to the toilet should be a seamless experience, and the best toilet flush valves can help you make it one. These valves are positioned within your flush tank and are available in various sizes. Not every size is compatible with your tank, so you need to be careful about what you buy.
The typical rule of thumb here is that the bigger the valve, the better the flow of water. The options we have listed here use much less water than traditional valves, which means you can save gallons, reduce your water bill, and be kind to the environment. Here are the 11 picks that we recommend for your bathroom.
Top Picks
11 Best Toilet Flush Valves
1. Best With Solid Frame Flapper:Fluid master Flush Valves
This is the ideal solution to repair a noisy toilet. You can use Fluid master valves in 3.5 per gallon厕所flushor larger capacity. The kit includes the most commonly used 400A fill valve. It contains asolid frame flapper that aligns with the tank drain and allows consistent power flush. Here’s avideothat demonstrates exactly how easy it is to install and use this product every day.
Pros
- Chlorine-resistant flapper
- Easy to use
- Highly durable
Cons
- Installation may not be easy
Quick tip2. Best Durable:American Standard Flush Valve
The American standard replacement flush valve consists of a seven-inch tube and a 3.4-inch chain and is a universal replacement for any Champion 4 flushing system.It is made of plastic and metal material and weighs one pound.
Pros
- Long-lasting
- Certified frustration-free
- Easy to use
Cons
- Instructions may not be clear
3. Best Compatible:Kohler Flush Valve
This canister toilet cistern valve is compatible with the K-4634 model of the Kohler Cimarron tank. It is Kohler’s original replacement part. The canister measures three inches with a three-inch outlet. The flush valve helps maintain Kohler toilets’ actual product performance. The item weighs 1.2 pounds. Watch thisvideoto get a detailed review of the product.
Pros
- Long-lasting
- Fully assembled
- One-year warranty
Cons
- Not suitable for one-piece toilets
4. Best for Repairing Leaking Toilets:Next by Danco Flush Valve
Next by Dancois designed to accommodate standard flush valves from 2.5inches to 10.5 inches high. The pack includes a split handle with a flush activator and not compatible with Mansfield brand toilets. The dual water-saving flush valve converts a standard toilet into a two-button, dual-flush toilet. Itoffers a choice of full or low flush requirements. Suitable for all standard water closets, this flush valve repairs faulty toilet flapper, flapper chain, and toilet handle problems. Thisvideowill tell you more about the dual flush valve so you can make the right decision.
Pros
- Easy-installation
- Durable construction
- Fits standard toilets
Cons
- Does not fit Toto ST454E
Did you know?5. Best Water-Efficient:Mansfield Flush Valve
The Mansfield flush valve is made of polypropylene and ABS material, which will not rust and corrode. The product weighs 0.4 pounds. You can use the flush valve to repair leaky toilets. This water-efficient flush valve replaces 208 and 209 models andallows you to stop the flushing mechanism midway to prevent potential overflow of water. The lightweight and overflow-preventing valve is easy to install.
Pros
- Energy-saver
- Instant shut-off
- One-year warranty
Cons
- May not last very long
6. Best For Flush Accuracy:Sloan Valve Flush Valve
Sloan flush valve is an exposed manual water closet flushometer valve, which uses para-flow technology to ensure low-consumption flush accuracy. This manual flush valve is made of copper and brass castings with a chrome finish. The flush volume starts with as low as 1.6 gallons of water to improve water efficiency.
Pros
- ADA compliant
- Adjustable tail-piece
- Three-year warranty
Cons
- May not last longer
7. Best For Hard Water:Korky Flush Valve
This is a universal toilet flush valve, compatible with most three-inch flush valves, and is easily adjustable with Toto, Mansfield, and other brands. The flapper adopts a flexible rubber design to achieve a tight seal on most flush valves. It solves problems such as toilet leaks, noise, or water refilling.
Pros
- Long-lasting
- Chlorine-resistant
- Works with hard water
Cons
- May not work with American Standard toilet
Quick tip8. Best For One-piece Closet Toilets:BQLZR Flush Valve
The BQLZR Flush Valve is only compatible with toilet tank holes measuring 2.56to 2.95inches. The valve has dimensions of 10.24x 10.63inches. Its design has a good sealing effect, adjusts the tank’s water, and is suitable for one-piece closet toilets.
Pros
- Water-saver
- Prevents leakage
- Durable construction
Cons
- May be difficult to install
9. Best Easy-To-Install:WDI Technology Flush Valve
WDI Technology replacement toilet flush valve has a two-piece toilet design to prevent leakage, and the flapper valve assembly is compatible with all three-inch flush holes. The flush valve comes in blue, green, and orange. The product weighs approximately 0.4 pounds.
Pros
- Easy installation
- Lightweight
Cons
- Not suitable for one-piece toilets
10. Best With Adjustable Height:Plumb Pak Flush Valve
帕朗柏冲洗阀有40%更高效的flushing using the same amount of water. This flush valve replacement can transform any poor flush toilet into an efficient toilet and is compatible with most standard toilets with a two-inch flush valve. The adjustable flush valve is made of sturdy plastic material.
Pros
- Adjustable height
- Saves water
- Easy to install
Cons
- The chain may not be durable
11. Best with Sleek Look:EZ-FLO Flush Valve
The white toilet flush is made of high-quality plastic to ensure durability. EZ-FLO’s flush valve is designed for use in Eljer toilets. This commercial flush valve has a chrome finish, corrosion-, and rust-free handle and adds a touch of modern and sleek look to your toilet. The package includes flushing system components such as a plastic handle, a rubber float, and a flush valve.
Pros
- Durable
- Easy-to-install
Cons
- The chain is too small
Things To Consider When Choosing A Toilet Flush Valve
Before buying the best toilet flush valve, pay attention to the following points.
- Compatibility:Choose a toilet flush compatible with your toilet. There are many valves on the market that have universal fit. Before replacing, be sure to measure the size of the valve.
- Water saver:Most toilets are economical and use less than one gallon of water per flush. Choose flush valves with water-saving functions so that you save water expenses.
- Installation:Replacing a flush valve can be a difficult task. Therefore, choose a product with easy-to-install features.
- Durability:When purchasing a flush valve, always pay attention to its construction. The product should comply with ADA standards to avoid corrosion or rust.
Why Trust MomJunction?
We bring you this list of the best toilet flush valves to improve your washroom experience. These valves have been chosen to help you save water, reduce your water bill, and ensure a clean toilet. To curate this list, we referred to numerous customer reviews and product ratings, and only those with the highest customer satisfaction have been listed here. We have also put together a buying guide to help you make an informed choice.
Frequently Asked Questions
1. Does a toilet flush valve size matter?
A flush valve is a crucial part of the toilet as it moves the water from the tank to the toilet bowl. The bigger the flush valve, the stronger the water pressure when a toilet is flushed.
2. How do I know if my toilet uses a two-inch or three-inch flush valve?
The size of a flush valve may be determined by the inner diameter of the drain. If the measuring tape gives a reading of 1.8-2 inches, the toilet may have a two-inch valve. On the other hand, if the tape gives a reading closer to three inches, the toilet may have a three-inch valve.
3. Do most toilets have two-inch flush valves?
Yes, the standard size of a flush valve is two inches. However, toilets manufactured in recent years may have flush valves that are wider than two inches.
The Bottom Line
Now that you’ve scrolled through the above list, choosing the best toilet flush valve for your washroom shouldn’t be a hassle. The top options from the list include theFluidmaster Flush Valvewith chlorine-resistant flapper, the long-lastingKohler Flush Valve,and theSloan Valve Flush Valvewith advanced para-flow technology. We recommend that you check their compatibility with the product in the toilet. Make sure the one you pick requires only a reasonable amount of water. Its installation should be easy and comfortable to use. More importantly, the valve should be made from durable material so that it can be used for a more extended period without any issues.
Infographic: How To Install A Flush Valve?
A leaky flush valve can drain your water supply in no time. However, changing a flush valve can be pretty easy if you have simple tools like a wrench and a spanner. So gather a towel, a pair of gloves, and a new valve, and follow the infographic to change the flush valve without calling a plumber.
Illustration: Momjunction Design Team
Get high-quality PDF version by clicking below.
Download Infographic
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