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Best toilet flush valves - April 2026

Last Updated - April 2, 2026

1
Best Choice

✖
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.

Zurn

Zurn Z6000-WS1-YB-YC Manual Flush Valve, Z6000 Aquaflush Exposed Closet Flush Valve, Cast Wall Flange, 1.6 GPF, Sweat Solder Kit

Zurn

$127.99

$136.99
(7% Off)

More Details
Main highlights
- Polished chrome-plated finish cast wall flange
- Exposed sweat solder kit
- Clog-resistant linear bypass diaphragm
- Chemical resistant gaskets and seals for extended service life with lower maintenance costs; Quiet operation and soft-close technology that eliminates water hammer; Polished chrome finish; 3-year warranty; LEED and WaterSense compliant options;
- 1.6 gpf closet flush volume
$127.99
$136.99 (7% Off)
2
Best Value
22% Off

✖
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.

Kohler
22% Off

Toilet Flush Valve Kit With 3 1/4" Flapper

Kohler

$37.46

$47.76
(22% Off)

More Details
Main highlights
- Model number: 1024385
- Kohler Genuine Part
- Fits Cimarron Toilet class five
- Complete Flush valve Kit
$37.46
$47.76 (22% Off)
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 400H-002 Performax Universal Toilet Fill Valve High Performance Tank and Bowl Water Control, 1-Pack, Multicolor

Fluidmaster

$14.97

$15.99
(6% Off)

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. EZ-Twist height adjusts from 9 in. to 14 in. to fit more tanks
- Fix noisy, or slow filling fill valves with the quietest, most powerful toilet fill valve available
- Easy to install, step-by-step instructions included
$14.97
$15.99 (6% Off)
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.

Korky

Korky QuietFILL Platinum Toilet Fill Valve - Universal Fits 99% of Toilets - Easy Height Adjust for Fast Install, 528MP

Korky

$9.98

More Details
Main highlights
- 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.
- 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.
- 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.
- 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.
- 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.''
$9.98
5

✖
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 K-400H-039 High Performance Toilet Fill Valve with 2-Inch Adjustable Toilet Flapper Kit

Fluidmaster

$16.97

More Details
Main highlights
- The PerforMAX fill valve and 2 in. Flapper Kit is the premium solution to make your 2 in. flush valve toilet run like new
- PerforMAX toilet fill valve offers high performance with adjustable tank and bowl water for full water control
- PerforMAX Water-Saving Toilet Flapper included to save water use per flush
- Fast and Easy to Install
- Adjustable fill valve height to fit more tanks, corrosion resistant flapper, Solid frame for a secure seal, 7 year warranty
$16.97

Best toilet flush valves - April 2026

Zurn Z6000-WS1-YB-YC Manual Flush Valve, Z6000 Aquaflush Exposed Closet Flush Valve, Cast Wall Flange, 1.6 GPF, Sweat Solder Kit

Toilet Flush Valve Kit With 3 1/4" Flapper

Fluidmaster 400H-002 Performax Universal Toilet Fill Valve High Performance Tank and Bowl Water Control, 1-Pack, Multicolor

Korky QuietFILL Platinum Toilet Fill Valve - Universal Fits 99% of Toilets - Easy Height Adjust for Fast Install, 528MP

Fluidmaster K-400H-039 High Performance Toilet Fill Valve with 2-Inch Adjustable Toilet Flapper Kit

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