Best Silent Flush Toilet In September 2026

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Buy the Best Silent Flush Toilet for your needs. Choose from the Best Silent Flush Toilet on the market. Pick the one that satisfies your need.

To help you in your search, we have completed this list of the Best Silent Flush Toilet.

Top Rated Best Silent Flush Toilet Of 2026

Rank	Product Name	Score
1	Fluidmaster 400AH PerforMAX Universal High Performance Toilet Fill Valve Buy Now	9.7 Buy Now
2	Kohler Genuine Part Gp1083167 Silent Fill Valve Kit For All Kohler Class Five Buy Now	9.5 Buy Now
3	Kohler Genuine Part Gp1138930 Silent Fill Toilet Fill Valve Kit Buy Now	9.1 Buy Now
4	Kohler Genuine Part 1083980 3" Toilet Canister Flush Valve Kit Buy Now	8.8 Buy Now
5	Kohler K-GP1078441 PART GP1078441 FLAPPER FOR TWO-PIECE TOILETS WITH CLASS FIVE TECHNOLOGY, 3-1/4 Buy Now	8.6 Buy Now
6	KOHLER K-4636-0 Cachet Elongated White Toilet Seat, with Grip-Tight Bumpers, Quiet-Close Seat, Quick-Release Buy Now	8.3 Buy Now
7	Korky 528MP QuietFILL Platinum Fill Valve-Fits Most Toilets-Easy to Install-Made in USA, Universal Buy Now	8.1 Buy Now
8	KOHLER K-1117210 Flush Valve Kit, 1.28,Black Buy Now	7.8 Buy Now
9	Universal Toilet Fill Valve Kit Easy and Rapid Adjustable Water Line - Toilet Buy Now	7.5 Buy Now
10	Fluidmaster 540AKRP5 3-Inch Complete, Adjustable Toilet Flush Valve Repair Kit Buy Now	7.2 Buy Now

1. Fluidmaster 400AH PerforMAX Universal High Performance Toilet Fill Valve

• Performax technology achieves 2x greater refill rate, while saving water usage
• Easy-to-install performax design
• Replaces outdated, inefficient, or noisy fill valve designs
• Height adjusts easily between 10 15
• 7 year warranty
• Fix noisy, slow filling valves with the quietest, most powerful toilet fill valve on the market!

2. Kohler Genuine Part Gp1083167 Silent Fill Valve Kit For All Kohler Class Five

• Adjustable to accommodate any height. never use an abrasive material such as a brush or scouring pad to clean surfaces
• Multiple fill rate inserts are provided to optimize performance and conserve water
• Silent fill provides a gracious experience by filling the tank quietly
• Kohler genuine part
• Cap color may vary
• Confirm shank color to determine correct part, if black, use this part and if grey, use gp1138930

3. Kohler Genuine Part Gp1138930 Silent Fill Toilet Fill Valve Kit

• Kohler genuine part
• Confirm shank color to determine correct part, if grey, use this part and if black, use gp1083167.
• Silent fill provides a gracious experience by filling the tank quietly
• Multiple fill-rate inserts are provided to optimize performance and conserve water.
• Cap color may vary
• Adjustable to accommodate any height, compatible with various kohler toilets.

4. Kohler Genuine Part 1083980 3" Toilet Canister Flush Valve Kit

• Kohler genuine part
• Canister flush valve kit for kohler cimarron toilets
• Look inside the back wall of the toilet tank to identify tank model number. material: plastic
• 3 inches canister with a 3 inches outlet
• Compatible with kohler cimarron tank model number k 4634
• Complete assembly with tank to bowl gasket. inlet diameter: 0.5 inches

5. Kohler K-GP1078441 PART GP1078441 FLAPPER FOR TWO-PIECE TOILETS WITH CLASS FIVE TECHNOLOGY, 3-1/4

• Used in various two-piece toilets with class five technology
• Protect the on kohler products, always look for the kohler genuine parts logo
• 3 1/4 in. made with corrosion resistant material
• 3 1/4" flapper
• Compatible with the following kohler models: memoirs 4485, 4491, 3509, 3515, 3532, 3542, 11461, 4473, 4492, 3511, 3526, 3533, 3548, 11460, 11968, bancroft 4633, 3487, devonshire 4708, 3503, cimarron 4634, 3496, 3497, 3499, 11465, 11466

6. KOHLER K-4636-0 Cachet Elongated White Toilet Seat, with Grip-Tight Bumpers, Quiet-Close Seat,

• Plastic
• Quiet close lid closes slowly and quietly without slamming
• Quick attach hardware for fast and secure installation
• Grip tight bumpers add stability and prevent shifting
• Quick release hinges allow seat to be unlatched from toilet for easy removal and convenient cleaning, no tools required
• Color matched plastic hinges

7. Korky 528MP QuietFILL Platinum Fill Valve-Fits Most Toilets-Easy to Install-Made in USA, Universal

• 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.''
• 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.
• 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.
• 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 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.

8. KOHLER K-1117210 Flush Valve Kit, 1.28,Black

• Elegant design and finish
• The product is manufactured in united states
• For well worth classic and highline toilets
• For use in kohler two-piece toilets
• Complete rebuild kit
• Genuine kohler product

9. Universal Toilet Fill Valve Kit Easy and Rapid Adjustable Water Line - Toilet

• Toilet tank fill valve replacement, fix cracked, noisy, slow filling valves with the quietest
• Easy-to-install
• Maximize toilet performance and save water.
• Toilet fill valve height adjusts easily between 7.8inch - 13inch
• Adjustable fill valve universal design fits most toilets brand like kohler, toto, american standard and others

10. Fluidmaster 540AKRP5 3-Inch Complete, Adjustable Toilet Flush Valve Repair Kit

• Easy adjustable overflow tube eliminates the need for cutting and can be set to meet oem specifications
• Easy adjustable overflow tube eliminates the need for cutting and can be set to meet oem specifications
• 5 year warranty