Best Fill Valve in 2022 [*Top Picks*]

Looking for the best fill valve on the market? We’ve got you covered. Check out our ratings of absolute bestsellers below and make a final decision.

2982 Reviews Scanned

  • Fluidmaster 400CR Universal Toilet Fill Flapper Repair Kit for 2-Inch Flush Valves, 1-Pack, Multicolor
    Bestseller #1
    Fluidmaster 400CR Universal Toilet Fill Flapper Repair Kit for 2-Inch Flush Valves, 1-Pack, Multicolor (386)
      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 EASY INSTALLATION: Easily installs in 10 minutes or less to get your toilet flushing like new again
  • Fluidmaster 400AH PerforMAX Universal High Performance Toilet Fill Valve, Easy Install
    Bestseller #1
    Fluidmaster 400AH PerforMAX Universal High Performance Toilet Fill Valve, Easy Install (386)
      ENHANCES YOUR TOILET’S POWER: Toilet fill valve replaces old, inefficient valves and eliminates noise while generating 2X greater refill rates than standard fill valve designs UNIVERSAL DESIGN: Fill valve adjusts easily from 10 – 15 inches and is ideal for use in high efficiency 1.28 to 1.6 gallons per flush toilets ADJUSTABLE ROLLER CLAMP: Water-saving roller clamp lets you regulate the fill level in the bowl to help save water and money EASY INSTALLATION: Easily installs in 10 minutes or less to get your toilet flushing like new again
  • Korky 528MP QuietFILL Platinum Fill Valve-Fits Most Toilets-Easy to Install-Made in USA, Universal 99%, Black
    Bestseller #1
    Korky 528MP QuietFILL Platinum Fill Valve-Fits Most Toilets-Easy to Install-Made in USA, Universal 99%, Black (386)
      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 528 Toilet Fill Valve, Universal, Black
    Bestseller #1
    Korky 528 Toilet Fill Valve, Universal, Black (386)
      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.
  • Fluidmaster 400H-002 Performax Universal Toilet Fill Valve High Performance Tank and Bowl Water Control, 1-Pack, Multicolor
    Bestseller #1
    Fluidmaster 400H-002 Performax Universal Toilet Fill Valve High Performance Tank and Bowl Water Control, 1-Pack, Multicolor (386)
      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
  • Kohler 30668 Flush Valve, 5.75 x 5.75 x 14.00 inches, White
    Bestseller #1
    Kohler 30668 Flush Valve, 5.75 x 5.75 x 14.00 inches, White (386)
      Float valve kit Fits older Kohler toilets Combination fill flush valve Model number: 30668
  • Fluidmaster 400A133 Premium Filling Valve Universal High Performance Toilet Fill Valve - 3 Pack
    Bestseller #1
    Fluidmaster 400A133 Premium Filling Valve Universal High Performance Toilet Fill Valve - 3 Pack (145)
      Fix noisy, slow filling valves with the quietest, most powerful toilet fill valve on the market! Adjustable height (9 "-14") Adjustable roller-clamp controls water usage Replaces outdated, inefficient, or noisy fill valve designs 7 year warranty
  • Kohler Genuine Part Gp1083167 Silent Fill Valve Kit For All Kohler Class Five Toilets,12.5
    Bestseller #1
    Kohler Genuine Part Gp1083167 Silent Fill Valve Kit For All Kohler Class Five Toilets,12.5" x 3.5" x 3" (386)
      Kohler genuine part. Valve Type: Manual 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
  • TOTO TSU99A.X Adjustable Replacement Fill Valve Assembly for Toilet Tanks, Unfinish
    Bestseller #1
    TOTO TSU99A.X Adjustable Replacement Fill Valve Assembly for Toilet Tanks, Unfinish (386)
      Adjustable height for all TOTO toilet tanks Resets your tank back to optimal performance Includes valve, refill tube and clamp, cone washer and nut Standard 7/8 inch inlet connection Easy, DIY installation
  • Toilet Fill Valve Assembly Replacement Valve Kit Silent Fill Valve Compatible with Kohler 1007488 Fill Valve
    Bestseller #1
    Toilet Fill Valve Assembly Replacement Valve Kit Silent Fill Valve Compatible with Kohler 1007488 Fill Valve (46)
      Fill valve assembly for toilet tanks, complete kit for rebuilding or replacing existing fill valves Designed to replace outdated, inefficient, noisy and leaky fill valves With quick and easy installation this fill valve design eliminates noise while generating 2X greater refill rates than standard fill valve designs It comes with brass tube and entire piece plastic was the best replace part Used on various toilets including San Raphael, Rialto and Revival
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