Best Moen Toilet Flush Valves in 2026

FIXES NOISY, RUNNING TOILETS: Toilet repair kit replaces inefficient fill and flush valves, and leaky flappers to help solve most common toilet fill problems

UNIVERSAL DESIGN: 400A toilet fill valve adjusts easily from 9 – 14 inches, fits most 2-inch flush valve toilets, and is ideal for use in 1.6 to 3.5 gallons per flush toilets or larger. Dual Flush: No

CORROSION RESISTANT: Solid frame 501 2-inch flapper features corrosion-resistant Microban material to prevent breakdown and leaks due to bacteria and is chlorine and hard water resistant

Kohler genuine part

Silent fill provides a gracious experience by filling the tank quietly

Multiple fill-rate inserts are provided to optimize performance and conserve water.

For Wellworth Classic and Highline toilets

Elegant design and finish

The product is manufactured in United States

Kohler genuine part

Canister flush valve kit for Kohler Cimarron toilets

3 inches canister with a 3 inches outlet

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

ENHANCES YOUR TOILET’S POWER: Toilet fill valve with bolts and gasket replaces old or inefficient fill valves to repair a leaking toilet tank and optimize flush performance

UNIVERSAL DESIGN: Fill valve replaces any two-piece toilet flush valve and is ideal for use in 3.5 gallons per flush toilets

CORROSION RESISTANT: The 502 2-inch flapper features corrosion/hard water-resistant materials

Mansfield Flush Valve - Model # 211 - 11-1/2" - For all Trip Levers

Includes spud gasket and locknut

Package Dimensions: 8.7 L x 5.15 H x 10.55 W (inches)

Package Weight : 0.82 pounds

Country of Origin : United States

PREMIUM TOILET PERFORMANCE: All in one toilet repair kit replaces inefficient fill and flush valves, leaky flappers, and broken toilet handles to make your toilet run like new

UNIVERSAL DESIGN: PerforMAX toilet fill valve with 2X greater refill rate adjusts easily from 10 – 15 inches and is ideal for use in high efficiency 1.28 to 1.6 gallons per flush toilets

HIGH PERFORMANCE FLAPPER: PerforMAX 507AK high performance 2-inch adjustable water-saving toilet flapper eliminates twisting and ghost flushing to maximize water usage with each flush

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.

Replacement part

Flush valve assembly less mounting nut

With 2" flapper and flush valve wrench

Country Of Origin: China

Model Number: K83664

Item Package Dimensions: 7.25" L x 5.0" W x 4.0" H

2" VALVE & BOWL GASKET KIT: Quick & easy to install, the flush valve height easily adjusts from 7" to 11-1/2", with no tools or hack sawing required. The oversized tube & funnel reduce flood risk while the included premium flapper ensures a tight, leak-proof seal.

ADJUSTABLE UNIVERSAL TOILET KIT: Ideal for all standard 2 inch toilets, including: 1.28, 1.6, 3.5 and 5 gallons per flush. Includes flush valve, tank to bowl gasket, flapper, hardware & instructions.

LONG LASTING CHLORAZONE red rubber, city water treatment, hard & well water.

Flush rates available are a super powerful 4.5 gpf, the standard 3.5 gpf full-volume flush, and a water-saving 1.6 gpf

Standard 11-1/2 in. rough-in and 1-1/2" top spud

No-leak handle reduces water waste

Fixes most toilet problems - replaces poor performing, or outdated fill valves and cracked flush valves

Quick and Easy-to-Install, no tank removal repair kit cuts repair time in 1/2

Universal design fits most toilet models

Chrome finish is highly reflective for a mirror-like look that works with any kitchen decorating style

Commercial flush valve piston control disc

Genuine Moen part

Replacement flush valve battery holder

Authentic Moen replacement part

Designed for hassle-free installation

Replacement Commercial flush valve cap mount

Authentic Moen replacement part

Designed for hassle-free installation

AccuSet(TM) piston technology delivers virtually maintenance-free precise flush volume, with a stainless steel self-cleaning filter to protect against clogs or damage

durable cast brass body construction with chrome finish

mechanical override

REPLACEMENT PART: Ideal for repairing problematic plumbing fixtures without the need to replace them

ORIGINAL EQUIPMENT MANUFACTURER: Authentic Moen replacement part

PEACE-OF-MIND: Designed for hassle-free installation

closet flush valve

solid brass construction

heavy duty piston technology

Chrome finish to create a bright, highly reflective, cool grey metallic look

Mechanical override button provides flushing in the event of power loss

Automatic activation means valve can't be left -Inchon-Inch accidentally or allowed to run unattended

VERSATILE DESIGN: Chrome finish is highly reflective for a mirror-like look that works with any decorating style

CERTIFIED MOEN: Part of Moen's Commerical Product Line

COMMERCIAL-GRADE: Heavy duty piston technology

Solid cast brass construction with Accuse Piston Technology with self-cleaning stainless steel filter All brass shut-off with chloramine-resistant face seal

5 year limited warranty; Americans with disabilities act (ADA) compliant and Buy America Act Compliant High back-pressure vacuum breaker with 15-120 psi operating range