In this guide today, we are here with our in-depth review of the best toilet flush valves. There are plenty of choices with multiple websites and therefore difficult to choose the best one. We recommend to read the guide and choose the one that suits your need as we review products based on the various options, features, price, quality and many more . To avoid this dilemma, we recommend to read this guide and review. It gives you insider information on how to choose the best toilet flush valves for your needs and budget.
In this in-depth review guide, we will discuss about the best toilet flush valves.
A Quick Comparison of Our Favorites
The Best toilet flush valves
Fluidmaster 400H-002 Performax Universal Toilet Fill Valve High Performance Tank and Bowl Water Control, 1-Pack, Multicolor
$14.97 in stock
46 new from $14.68
12 used from $10.49
12 used from $10.49
Free shipping
Amazon.com
as of October 7, 2025 7:24 am
Features
- Fix noisy, or slow filling fill valves with the quietest, most powerful toilet fill valve available
- Easy to install, step-by-step instructions included
- Universal fit for most toilet models and brands
- Tank and Bowl water level adjustment dials to customize the perfect flush and save. EZ-Twist height adjusts from 9 in. to 14 in. to fit more tanks
KOHLER GENUINE PART 1069722 3" Toilet Flush Valve Kit , Black
$29.68 in stock
25 new from $29.68
1 used from $32.00
1 used from $32.00
Amazon.com
as of October 7, 2025 7:24 am
Features
- 3" Toilet Canister Flush Valve Kit: Features a 3" canister with a 3" outlet
- Compatible: Canister flush valve kit for Kohler Wellworth toilets
- Identification: Look inside the back wall of the toilet tank to identify tank model number
- Kohler Wellworth Line Item: Compatible with Kohler Wellworth Highline Classic tank model number K-4632
KOHLER GENUINE PART 1188999 2" Toilet Canister Flush Valve Kit
$23.44 in stock
10 new from $23.44
2 used from $20.92
2 used from $20.92
Free shipping
Amazon.com
as of October 7, 2025 7:24 am
Features
- Flush valve kit
- No finish to product
- Kohler replacement parts
Fluidmaster 400A Anti-Siphon Universal Toilet Tank Fill Valve,Black
$9.97 in stock
22 new from $11.25
Free shipping
Amazon.com
as of October 7, 2025 7:24 am
Features
- fluidmaster400a anti-siphon toilet fill valve - fm400a
- This is highly durable
- This is manufactured in MEXICO
Fluidmaster 507AK PerforMAX Universal High Performance 2-Inch Toilet Flush Valve Repair Kit with Gasket and Bolts
$15.91
in stock
2 new from $15.91
2 used from $12.12
2 used from $12.12
Free shipping
Amazon.com
as of October 7, 2025 7:24 am
Features
- Quick, easy to install
- Replaces any 2 inch flush valve in a two-piece toilet
- Saves water and Stops leaks at the drain
Korky 528MP QuietFILL Platinum Fill Valve-Fits Most Toilets-Easy to Install-Made in USA, Universal 99%, Black
$9.98
in stock
21 new from $9.98
1 used from $13.09
1 used from $13.09
Free shipping
Amazon.com
as of October 7, 2025 7:24 am
Features
- UNIVERSAL FILL VALVE: This toilet fill valve replaces ballcocks & worn down valves for different types of 2-piece & 1-piece toilets. It's easy to install & keeps your toilet running smoothly.
- EASY TO INSTALL: Quiet replacement fill valve has a twist-lock adjustment that makes installation the easiest when you're doing toilet repairs. Adjustable from 7.75'' to 13.5.''
- INCLUDES: Installs in less than 5 minutes. Includes fill valve, refill tube, metal refill tube clip, mounting nut, cone washer, refill adjuster, coupling nut, tamper proof key & instructions.
- WHY KORKY: Our high quality toilet products are universal & specific to both older & modern toilet models. Our repair parts are easy to install & made exclusively from long lasting chlorazone red rubber.
- REPLACEMENT TOILET PARTS: Try Korky Toilet Repair because we continue to commit to designing toilet repair parts that are unviersal to fit the majority of toilets. Designed & manufactured in Wisconsin.
KOHLER GENUINE PART 87998 FLUSH VALVE KIT, Small
$20.04 in stock
12 new from $20.04
1 used from $36.84
1 used from $36.84
Free shipping
Amazon.com
as of October 7, 2025 7:24 am
Features
- Kohler GENUINE Part, made exclusively for Kohler toilet tanks
- This is not a universal fit product
- Toilet Tank Number can be found inside tank
- Compatible with the following Kohler toilet tank models: Santa Rosa 3323, 3803, 11899, Gabrielle 3322, 14257, 14258, 14286, Kathryn-3324, 14268
LASCO 04-2108 Toilet Flush Valve Mansfield 2-Inch Plastic Rounded Body with Unit Raises Up To Flush
$11.03
in stock
Amazon.com
as of October 7, 2025 7:24 am
Features
- HELPS YOU REPLACE WORN FLUSH VALVES: Complete kit helps you quickly swap out or replace worn toilet flush valves. This kit replaces Mansfield 2-Inch flush valves
- UNIVERSIAL FIT: Replacement unit fits most 2-piece toilets with 2 Inch Plastic thread
- PREVENT WATER LEAKS: Replacement unit helps prevent water leaks due to broken or worn parts
- EASY TO USE: Quick Installation with all components included with each kit
- TRUSTED SINCE 1930: Larsen Supply is 3rd Generation, Family owned and operated for over 80 years with 1000s of plumbing products to help you get the job done quickly
Kohler Genuine Part 1083980 3" Toilet Canister Flush Valve Kit, 10.8 L x 3.5 W x 3.5 H inches
$24.99 in stock
17 new from $24.99
14 used from $14.49
14 used from $14.49
Free shipping
Amazon.com
as of October 7, 2025 7:24 am
Features
- 3" Toilet Canister Flush Valve Kit: Features a 3" canister with a 3" outlet
- Compatible: Canister flush valve kit for Kohler Cimarron toilets
- Identification: Look inside the back wall of the toilet tank to identify tank model number
- Kohler Cimarron Line Item: Compatible with Kohler Cimarron tank model number K-4634
Kohler Genuine Part Gp1083167 Silent Fill Valve Kit For All Kohler Class Five Toilets,12.5" x 3.5" x 3"
$20.28 in stock
22 new from $18.10
1 used from $29.04
1 used from $29.04
Amazon.com
as of October 7, 2025 7:24 am
Features
- Protect the warranty on KOHLER products, always look for the KOHLER GENUINE PARTS logo
- Adjustable fill valve. Valve Type: Manual
- Look at shank color to determine correct part; if black, use this part and if grey, use GP1138930
- Cap color may vary
The Video Review of Best toilet flush valves
The Verdict
Our best overall toilet flush valves, the Perception and the reviews helps assist to choose you the product better. We hope our reviews buyer guide of these toilet flush valves will help you pick the perfect toilet flush valves for you and your buying decision making.