A noisy or slow-filling toilet can often be fixed by replacing the fill valve, the part that refills the tank after each flush. The best quiet toilet fill valve for your bathroom should match your tank, adjust to the right height, and shut off reliably without an irritating hiss. These five options range from an established universal replacement to models that list specific noise-reduction features.
Table of Contents
Quick Comparison
| Product | Adjustable Height | Notable Feature | Best For |
|---|---|---|---|
| Korky QuietFILL Platinum | 7.75–13.5 in. | Twist-lock adjustment; includes installation parts | A broad range of toilet models |
| R&T A1350 Quiet Toilet Fill Valve | 9.2–13 in. | Anti-siphon design; listed noise under 45 dB | A quick DIY replacement |
| Delyle Universal Quiet-Fill Valve | Not specified | Adjustment screw for water level | Basic adjustable replacement needs |
| ProPlumb Adjustable Fill Valve | 9–14 in. | Built-in flow control | Standard tanks with a 2-inch flush valve |
| SAMODRA Silent Toilet Fill Valve | 8.8–12.5 in. | Delayed activation; listed noise under 30 dB | Quiet operation and water-saving features |
Noise figures and performance features in the table come from the product descriptions. Check the current product listing and your toilet’s requirements before ordering.
Our Picks: Best Quiet Toilet Fill Valve reviews
1. Korky QuietFILL Platinum: A Versatile Replacement for Many Toilets
The Korky QuietFILL Platinum is designed to replace older ballcocks and worn fill valves in many one-piece and two-piece toilets. Its listed height range is 7.75 to 13.5 inches, which gives it room to fit a variety of tank setups. Korky says it fits 99% of toilets, but it is still worth checking your tank and the installation instructions before buying.
The twist-lock height adjustment is meant to make setup easier, and the package includes a refill tube, clip, mounting nut, cone washer, refill adjuster, coupling nut, and tamper-proof key. That collection of parts may be helpful if you want a replacement kit rather than a valve alone. The manufacturer says installation takes less than five minutes; actual setup can depend on access and the condition of the old hardware.
This is a strong choice if you want broad stated compatibility and a well-equipped installation kit. Unlike some of the other picks, the supplied description does not give a specific noise level in decibels, so shoppers looking for a stated sound figure may prefer the R&T or SAMODRA models.
Pros:
- Designed for many one-piece and two-piece toilets
- Wide adjustable height range
- Twist-lock adjustment and installation parts included
- Replaces both older ballcocks and worn valves
Cons:
- No specific noise figure is provided in the supplied product details
- Broad compatibility claims do not replace checking your toilet’s fit
Verdict: Choose the Korky if you want a flexible, parts-included replacement for a range of toilet styles.
2. R&T A1350: A Straightforward Valve With a Listed Noise Level
The R&T A1350 is a universal-style replacement designed to address slow filling, noise, leaks, and a toilet that keeps running. Its listed height adjusts from 9.2 to 13 inches, and the product description says it suits many American Standard and other common toilet tanks. That range is narrower than the Korky’s, so compare it with the space and valve height in your tank.
R&T lists operating noise below 45 dB and describes an anti-siphon design intended to help keep dirty water out of the supply. The valve uses a locking nut for installation and a float-height adjustment for setting the tank’s water level. The manufacturer also describes the material as certified, BPA-free ABS plastic.
The simple adjustment approach may suit a basic DIY repair. However, the listed noise figure is a product specification, not a guarantee of how quiet the valve will sound in every plumbing setup. You may also need to confirm that the valve’s height range and connections work with your toilet.
Pros:
- Height adjusts from 9.2 to 13 inches
- Lists noise below 45 dB
- Anti-siphon design is specified
- Uses a locking nut and adjustable float
Cons:
- Height range is more limited than some alternatives
- Noise in your bathroom may differ from the listed specification
Verdict: The R&T A1350 is a practical option if its height range fits your tank and you want a valve with a stated noise specification.
3. Delyle Universal Quiet-Fill Valve: A Simple Adjustable Repair Part
Delyle’s universal fill valve is presented as a replacement for noisy, slow-filling, or running toilets. It includes an adjustment screw for changing the water level, a useful feature when you need to tune the tank after installation. The product description also calls out quiet filling and rapid refill, but does not provide an adjustable-height range or a noise figure.
The valve is described as a DIY repair part with the needed installation components, and the listing names American Standard, Kohler, and Glacier Bay among the compatible brands. Those brand names are a starting point, not a guarantee that it fits every toilet from those manufacturers. Tank design and the existing valve opening still matter.
Compared with options that list precise height ranges and noise measurements, Delyle gives less detail for shoppers to check before purchase. It may suit someone looking for a basic universal replacement, but verify the dimensions and included parts in the current listing if fit is uncertain.
Pros:
- Designed to address noisy, slow, or running toilets
- Water level can be adjusted with a screw
- Lists several common toilet brands as compatible
Cons:
- No adjustable-height range is specified in the supplied details
- No numerical noise figure is provided
Verdict: Consider the Delyle if you want a basic quiet-fill replacement, but confirm its dimensions and fit before ordering.
4. ProPlumb Adjustable Fill Valve: A Tall Option With Flow Control
The ProPlumb fill valve adjusts from 9 to 14 inches, the tallest maximum listed among these five options. Its product details specify compatibility with most toilet tanks that use a standard 2-inch flush valve. The valve is designed to reduce refill noise while maintaining water flow and reliable shutoff.
A built-in flow control is intended to optimize refill rate, and the valve uses a twist-lock height adjustment. The product description says installation requires no tools, though you should still have basic supplies ready for disconnecting the old valve and handling the water connection. Its polymer and rubber construction is described as durable, but no specific service-life estimate is given.
This model makes the most sense if your tank needs the extra height and matches the stated flush-valve setup. It is less suitable if you cannot confirm that standard 2-inch compatibility applies to your toilet. The description does not provide a numerical noise level, so compare its claims with models that do.
Pros:
- Adjustable from 9 to 14 inches
- Built-in flow control
- Twist-lock height adjustment
- Designed for standard 2-inch flush-valve tanks
Cons:
- Fit depends on matching the stated tank configuration
- No specific noise figure is listed in the supplied details
Verdict: Pick the ProPlumb if your tank matches its stated configuration and you need a valve with a taller adjustment range and flow control.
5. SAMODRA Silent Fill Valve: A Quiet-Focused Pick With Delayed Activation
SAMODRA’s fill valve is designed for noisy, slow, leaking, or running toilets. Its stated height range is 8.8 to 12.5 inches, and the product description lists noise below 30 dB. It also has a delay intended to keep the valve from activating until the flapper closes, a feature the manufacturer says can reduce water use.
Installation is described as a simple replacement process: remove the old valve, insert the new one, tighten the locking nut, and attach the refill tube. The height and water level adjust by rotating the top cover. SAMODRA lists the valve as compatible with most American toilets, but checking your tank dimensions remains important.
This model stands out for its stated noise figure and delayed activation. The trade-off is that its height range does not reach as high as the ProPlumb or Korky. The product description says the delay can save water, but the amount saved in a particular bathroom will depend on the toilet and how it is used.
Pros:
- Lists noise below 30 dB
- Delayed activation is designed to reduce water use
- Height and water level adjust together
- Simple replacement steps are described
Cons:
- Height range tops out at 12.5 inches
- Noise and water savings may vary with the toilet setup
Verdict: Choose SAMODRA if quiet operation is your priority and its listed height range fits your tank.
How to Choose a Quiet Toilet Fill Valve
Check the valve height and tank clearance
Measure the space inside your tank and compare it with the valve’s adjustment range. A valve that is too tall may not fit below the tank lid, while one that is too short may not set the water level correctly. The products here have different listed ranges, so do not assume that a universal label means every model fits every tank.
Confirm your toilet’s valve and tank setup
Check your toilet’s model information or compare the old valve with the replacement requirements. Some product descriptions list broad compatibility, while the ProPlumb specifically calls out tanks with a standard 2-inch flush valve. Confirm that your tank matches the product details before ordering, especially if it has an unusual or compact design.
Look for the kind of quiet performance you need
Some listings give a numerical noise figure, while others describe quiet filling without a measurement. A listed figure can help you compare products, but it is not a promise that the valve will sound identical in every home. Water pressure, plumbing, and the tank itself can affect the sound you hear.
Consider adjustment and installation parts
Look for clear instructions on setting valve height and tank water level. A twist-lock design or simple adjustment screw may make setup easier. Also check what comes in the box: the Korky description, for example, lists a refill tube, clip, nuts, washers, and other installation parts. Included hardware can matter if you are replacing more than the valve itself.
Think about refill timing and water use
Flow control and delayed activation are features worth considering if you want to manage refill behavior. ProPlumb lists built-in flow control, while SAMODRA describes a delay until the flapper closes. These design details may be useful, but any water-saving result depends on the toilet’s condition and use.
Check the shutoff and refill-tube arrangement
Before starting a repair, make sure you can reach the water shutoff and identify how the refill tube connects to the overflow tube. Follow the product instructions when attaching the tube and setting the water level. If the shutoff valve or supply connection is damaged, address that issue rather than forcing a new fill valve into place.
Frequently Asked Questions
What does a toilet fill valve do?
The fill valve controls water entering the toilet tank after a flush. It shuts off when the tank reaches its set water level. A worn or poorly adjusted valve can contribute to slow filling, running, or unwanted noise.
Can I install a quiet toilet fill valve myself?
Many replacement valves are designed for DIY installation. The exact steps vary by model, but you generally need to shut off the water, drain the tank, remove the old valve, install the replacement, and adjust the water level. Follow the instructions supplied with your valve.
Will a universal fill valve fit every toilet?
No. “Universal” usually means a valve is designed to fit many common toilets, not every tank. Compare the valve’s height range, tank setup, and connection requirements with your toilet before buying.
Why does a new fill valve still make noise?
Noise can depend on more than the valve alone. Water pressure, the plumbing connection, tank design, and installation can all affect sound. Check the installation instructions and make sure the valve is adjusted and connected correctly.
How do I know what height fill valve I need?
Measure the space available inside your tank and check the height of the existing valve. Compare those measurements with the replacement’s adjustment range, leaving enough room for the tank lid and the correct water level.
Do all quiet fill valves include the same parts?
No. Some listings include a refill tube, clips, washers, and nuts, while others describe a simpler installation kit. Check the package contents before ordering so you know whether you may need to reuse or replace other hardware.
Final Recommendation
For a broadly compatible replacement with installation parts included, the Korky QuietFILL Platinum is a sensible starting point. If a stated noise figure matters most, compare the SAMODRA and R&T models while checking that their height ranges fit your tank. The right choice is the one that matches your toilet’s setup and offers the adjustment features you need.
