Toilet Fill Valve & 2-Inch Flapper Replacement Kit | G15/16"

Stop Running Toilets & Quiet Your Tank with This Easy DIY Repair Kit

Is your toilet slow to fill, running constantly, or making noise after every flush? This complete Toilet Fill Valve & 2-Inch Flapper Replacement Kit gives you everything you need to restore your toilet to peak performance — no plumber required. Featuring a US-standard G15/16" inlet, it's compatible with most American toilet tanks and installs in minutes.

Made in Mainland China.

Key Features

• Premium Corrosion-Resistant Rubber Flapper: The 2-inch flapper is crafted from durable, high-quality rubber designed to hold a watertight seal and resist deterioration over time, effectively eliminating water seepage at the flush valve seat.
• Wide Compatibility: Designed to the US standard G15/16" inlet specification, this fill valve replacement kit works with the vast majority of toilet models and brands found in American homes.
• Adjustable Water Level Control: Easily customize both the tank and bowl water levels with the built-in adjustable settings. The fill valve delivers precise, controlled water flow, helping you optimize flush performance while conserving water and reducing your utility bills.
• Addresses Common Toilet Issues: Tackles slow filling, constant running, gurgling sounds, and water seeping past the flapper — restoring quiet, efficient flushing with each use.
• Simple Tool-Free Installation: Remove the old fill valve and flapper, drop in the new components, and you're done. No special tools or plumbing experience needed for this hassle-free DIY toilet upgrade.

What's in the Box

• 1x Fill Valve
• 1x 2-Inch Rubber Flapper
• 1x Red Plastic Clip

Specifications

• Inlet Size: G15/16" (US Standard)
• Flapper Size: 2 inches
• Material: Corrosion-resistant rubber & durable plastic
• Application: Standard household toilets

Save Water, Save Money

A running toilet can waste hundreds of gallons of water per day. Replacing a worn fill valve or flapper is one of the most impactful — and easiest — home maintenance tasks you can do. Learn more about water conservation and leak detection from the U.S. Environmental Protection Agency's WaterSense Fix a Leak initiative.

Looking for other home improvement and plumbing essentials? You might also like:
1-1/4" Adjustable Washbasin Siphon Trap | Leak-Proof Silicone
1-Inch Threaded Brass Ball Valve – Water, Gas & Oil Flow Control

Learn more: Right to repair

Frequently Asked Questions

Q: What toilet brands and models is this fill valve replacement kit compatible with?

A: This toilet fill valve and 2-inch flapper replacement kit is designed to the US standard G15/16" inlet specification, making it compatible with the vast majority of standard American toilet tanks. This includes many popular brands found in residential homes. If you're unsure, check the inlet thread size on your existing fill valve before purchasing.

Q: How do I know if my toilet needs a new fill valve or flapper?

A: Common signs that your toilet fill valve or flapper needs replacing include: the toilet tank taking longer than 1–2 minutes to refill after flushing, a hissing or running water sound from the tank between flushes, water continuously trickling into the bowl, or a wobbling/visibly worn rubber flapper. This kit addresses all of these issues.

Q: Do I need any special tools or plumbing skills to install this toilet repair kit?

A: No special tools or plumbing expertise are required. Simply turn off the water supply to your toilet, flush to empty the tank, remove the old fill valve and flapper, and install the new components included in the kit. The process typically takes 15–30 minutes for most DIYers.

Q: Will adjusting the water level affect my toilet's flushing performance?

A: The adjustable water level feature lets you fine-tune how much water fills the tank and bowl with each flush cycle. Setting it appropriately for your toilet model ensures strong, consistent flushing performance while avoiding water waste. Most toilets perform optimally with the water level set about 1 inch below the overflow tube.