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5 Best Toilet Flush Valves of 2026

Last Updated - 2026/05/18

1
Best Choice

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Fluidmaster

Fluidmaster 400H-5003 Performax Universal Toilet Fill Valve with Tank and Bowl Water Control 2-Pack, Blue

Fluidmaster

CA$59.98

More Details
Main highlights
- Universal fit for most toilet models and brands
- Tank and Bowl water level adjustment dials to customize the perfect flush and save
- Fix noisy, or slow filling fill valves with the quietest, most powerful toilet fill valve 2-pack available
- Easy to install, step-by-step instructions included
- 2X greater bowl refill for a more powerful flush than standard designs; EZ-Twist height adjusts from 9 in. to 14 in. to fit more tanks; 7 year warranty
CA$59.98
2

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

uxcell

uxcell Toilet Flush Valves, 2 Inch Dual Flush Valve Split Push Button Toilet Bottom Inlet Fill Valve Toilet Replacement Parts(210mm Height, White)

uxcell

CA$43.89

More Details
Main highlights
- [Water-Saving] The dual flush valve provides optional full flush for powerful flushing and half flush for water-saving flushing which reduces your bill. The lighter pushing force.
- [Notice] Please check the following size information carefully, this is the key factor to determine whether the toilet drain valve can be successfully installed!!!
- [Dual Flush Water-Saving Type] Dual flush water-saving type: for all drainage, you can adjust the water in the water tank; for half drainage, you can use the water in the water tank to adjust the silicone seal, it with good sealing effect, will not have to leak.
- [Convenient Installation] This toilet drain valve replacement kit includes installation parts and tools for easy and simple installation without looking for additional tools.
- Size: 55x210mm/2.17"x8.27"(WxH); 1 Set of Toilet Flush Valves
CA$43.89
3

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Fluidmaster

Fluidmaster 507AKP7 Flush Valve Kit

Fluidmaster

CA$24.99

More Details
Main highlights
- Saves water and stops leaks at the drain
- Replaces any 2-inch flush valve in a two-piece toilet
- Includes bolts and gasket
- Includes adjustable flapper for efficient, powerful flushes every time
- Easy to install
CA$24.99
4

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

TECETOOL

2 Inch Toilet Flush Valves Toilet Repair Kit Dual Flush Valve Replacement Fit for One Piece Toilet Top Push Button Valve (8" Height) White

TECETOOL

CA$25.99

More Details
Main highlights
- Quick And Easy Installation: Our toilet flush valve is suitable for most one piece toilets.(not including flapper valve) easy to install in 10 minutes, and saves time and effort,get your toilet flushing like new again
- Note: Please measure the size of your original part to match our products before purchasing. This will prevent you from receiving unsuitable products and waste your time. If you have any questions with this product, please contact us immediately
- For Use Dual Flush Toilet Kit: This toilet flush valves only fit for 2-Inch One-piece toilet with top push button. This toilet valve replacement kit only applicable to 2.56"-2.95"(65mm-75mm)(about the size of a baseball) drainage hole diameter. Measure the toilet tank height, it should be 10"- 12.8" (254 mm-325 mm). Please measure the above dimensions before buy it, and the toilet tank height should including ceramic cover for toilet tank, otherwise , it won't fit
- Dual Flush Water Saving Type: Toilet repair kit dual flush water-saving type,can adjust water in the water tank for all drainage or quick drainage. Half and full water level adjusters to control water consumption. It has good silicone washer, good elasticity, high density, sustainable use, and not easy to break
- Compatibility: For use with most 2inch one piece with top push button toilet, including TOTO, Glacier Bay, Aqua Source, Project Source, Swiss, Deer Valley, HOROW, WOODBRIDGE, Fine Fixtures, WinZo and many more brand. It is the same style as TOTO THU338. Please also confirm the length of the button lever can be matched the new valve before purchase, if not, you need to buy a new button
CA$25.99
5
Best Value

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Weensmeil

3" Dual Flush Valve Kit Fits for Project Source One-Piece Toilets, Compatible with Glacier Bay Valves Repair Parts, 7.8in Height Toilet Flush Valve Replacement for FLUIDMASTER

Weensmeil

CA$42.99

More Details
Main highlights
- The diameter of outlet is 3.15in / 80mm; fits 3" dual flush valve one-piece toilets
- Replaces old, or broken 3 in. toilet flush valve, restore your Dual Flush toilet back to original factory performance
- Package include is 1 x toilet dual flush valve kit of one-piece toilet
- Height of valve body is 7.8in / 19.8cm, fits for toilet cistern highly: 9.84in-3.78in / 25cm - 35cm
- Easy top-mount install, replacement for FLUIDMASTER 830VTGB, Glacier Bay, Project Source Laporte 1-piece toilets
CA$42.99

5 Best Toilet Flush Valves of 2026

Fluidmaster 400H-5003 Performax Universal Toilet Fill Valve with Tank and Bowl Water Control 2-Pack, Blue

uxcell Toilet Flush Valves, 2 Inch Dual Flush Valve Split Push Button Toilet Bottom Inlet Fill Valve Toilet Replacement Parts(210mm Height, White)

Fluidmaster 507AKP7 Flush Valve Kit

2 Inch Toilet Flush Valves Toilet Repair Kit Dual Flush Valve Replacement Fit for One Piece Toilet Top Push Button Valve (8" Height) White

3" Dual Flush Valve Kit Fits for Project Source One-Piece Toilets, Compatible with Glacier Bay Valves Repair Parts, 7.8in Height Toilet Flush Valve Replacement for FLUIDMASTER

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