10 Best Toilet Fill Valve of August 2025

• Features the proven 400A anti-siphon toilet fill valve
• High Quality and durable toilet fill valve
• This product has a 5 year warranty and is the solution to fix a noisy and running toilet
• Ideal product for use in 3.5 gallons per flush toilets or larger
• Includes the 400A Fill Valve and the 501 Flapper
• The 501 Flapper has Microban that prevents breakdown due to bacteria
• The 501 Flapper is chlorine-resistant and has a solid frame that prevents it from twisting
• Note: This product is designed to fit toilets with 2″ flush valves

Fluidmaster

• Fix noisy, slow filling valves with the quietest, most powerful toilet fill valve on the market!
• Easy-to-install PerforMAX design
• Universal fitting most toilet models
• Height adjusts easily between 10” – 15”
• Adjustable roller-clamp controls water usage
• Replaces outdated, inefficient, or noisy fill valve designs
• 7 year warranty
• PerforMAX technology achieves 2X greater refill rate, while saving water usage
• Replaces outdated, inefficient, or noisy fill valve designs
• 7 year warranty
• PerforMAX technology achieves 2X greater refill rate, while saving water usage

Fluidmaster

• 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, 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.

Korky

• 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
• Adjustable to accommodate any height. Never use an abrasive material such as a brush or scouring pad to clean surfaces
• Confirm shank color to determine correct part; If black, use this part and if grey, use GP1138930
• Cap color may vary

Kohler

• 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.
• Adjustable to accommodate any height, compatible with various Kohler toilets.
• Confirm shank color to determine correct part; If grey, use this part and if black, use GP1083167.
• Cap color may vary

Kohler

• Toilet Tank Fill Valve Replacement, Fix cracked, noisy, slow filling valves with the quietest
• Adjustable fill valve Universal design fits most toilets brand like kohler, toto, American standard and others
• Toilet fill valve height adjusts easily between 7.8inch - 13inch
• Easy-to-install
• Maximize toilet performance and save water.

Hibbent

• Genuine TOTO TSU99A.X Universal Fill Valve - 2 PACK
• Adjustable height
• Adjustable flow rate, For two piece toilets
• Styles: TOTO''s design continuum features unique traditional, transitional and contemporary styles

TOTO

• 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.

Korky

• Fixes common problems like toilets that are running, leaking, noisy, ghost flushing or have a weak flush
• Easy to install, fits 2 inch flush valve toilets
• PerforMAX technology provides optimal performance while saving both water and money
• Built in Microban fights flapper breakdown due to bacteria on the flapper itself
• Solid Frame flapper eliminates twisting and ghost flushing
• Chlorine and hard water resistant
• Best for use in 1. 6 gpf toilets or less
• 7 year
• Includes: high performance fill valve, and dial adjustable water-saving flapper

Fluidmaster

• TOTO FILL FALVE: Designed to replace G-Max & Power Gravity Toilets. Designed to fix no/slow refilling, running, & noisy toilets, the fill valve is quieter than other fill valves. Adjustable sizing.
• EASY TO INSTALL: Simply remove your old fill valve or ballcock, insert your new Korky fill valve, & adjust. The innovative twist-lock adjustment makes installation easy. Adjusts from 7-3/4" to 13-1/2".
• INCLUDES: The universal fill valve set includes fill valve, refill tube, metal refill tube clip, mounting nut, cone washer, coupling nut, tamper proof key and 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.

Korky