Looking for the best flush valve balls to fix your toilet troubles? We’ve tested and reviewed the top 10 options to help you find the perfect fit for a leak-free, smooth-running toilet.
Flush valve balls are essential for a smooth-running toilet. Whether it’s your home or RV, the right part makes all the difference. Say goodbye to leaks, odors, and wasteful water.
We’ve tested and reviewed the best flush valve balls for you. Easy installation, durable materials, and perfect fits are what you’ll find here. No more guessing—just reliable solutions.
Get ready to save time and money. Our guide ensures your toilet works like new. Let’s dive in and find the perfect fit for your needs!
List of Top 10 Flush Valve Balls
| Image | Title | Best For | Price |
|---|---|---|---|
![]() |
Korky 58BP Flush Ball For Kohler Toilet Repairs – Replaces Kohler Part 49114 – Made in USA |
This flush ball flapper is perfect for anyone fixing a Kohler toilet. It’s easy to install and works with many models. |
|
![]() |
Upgrade Water Heater Drain/Flush Ball valve kit, Full-Port Valves 3/4″MIP x 3/4″ Male GHT Connection to Hot Water Heater Tank, 2 inch Shank, 180 degree Handle with Chain, Cap and Thread Tape |
This water heater drain valve kit is perfect for homeowners who want to keep their water heaters running smoothly. It’s easy to install and works with most residential tanks, making maintenance quick and hassle-free. |
|
![]() |
House Mods HMP011 LF Brass 3/4″ MNPT Water Heater Drain/Flush Valve(Full Port, Ball Valve, 3 inch Shank, 180 degree Handle W/Garden Hose Cap and Thread Tape) |
This heavy-duty water heater drain valve is perfect for homeowners who want a quick and easy way to flush their water heater. Its full port design and large handle make draining a breeze, while the lead-free brass ensures safe, potable water. |
|
![]() |
RV Toilet Seal, Flush Ball Seal Gasket Replacement for Dometic 300/310/320 – Upgraded 385311658 – Toilet Seal Parts to Solve The Leakage Problem, 2-Pack |
This RV Toilet Seal is perfect for RV owners who are experiencing odor and water leaks from their Dometic 300, 310, or 320 toilets. It’s an easy-to-install upgrade that restores a fresh RV space and ensures effective flushing. |
|
![]() |
PlumbCraft 2-in. White and Blue Flapper Tank Ball for Brass or Plastic Flush Valve 7542500T, Toilet Flapper Replacement Kit for Toilet Tank Repair, Universal Toilet Flapper and Toilet Flusher Seal |
This toilet flapper replacement kit is perfect for anyone who wants to fix a noisy or leaky toilet. It’s easy to install and saves water, making it ideal for homeowners or DIY enthusiasts. |
|
![]() |
EvertechPRO Toilet Flapper Replacement Kit – 2 Inch Flapper Ball for Flush Valve, Universal Design Toilet Stopper Flapper With 9 Inch Steel Chain, Long-Lasting Durability |
This EvertechPRO Toilet Flapper Replacement Kit is perfect for anyone who wants a reliable, leak-free toilet. It’s easy to install and built to last, saving you time and money. |
|
![]() |
2 Set RV Toilet Valve Replacement Kit | Dometic RV Toilet Parts 385311641 | Compatible with Dometic 300, 301, 310, 311, 320, 321 Pedal-Flush Toilets | Includes 385311658 Flush Ball Seal |
This RV toilet valve replacement kit is perfect for RV owners who want to fix common toilet problems quickly and easily. It’s ideal for Dometic pedal-flush toilet models and saves time and money with everything included. |
|
![]() |
Upgraded 385311641 RV Toilet Water Valve 385311658 Flush Ball Seal by Blutoget-Fit for Sealand Dometic 300, 310, 311, 320, 321 RV Toilets&Pedal Flush Valve Toilet&Marine Toilet-High Sealing No Leakage |
This Upgraded RV Toilet Water Valve Kit is perfect for RV owners who want a leak-free, odor-resistant toilet. It’s easy to install and works great for Sealand Dometic 300, 310, 311, 320, and 321 RV toilets. |
|
![]() |
Oyviny Upgraded RV Toilet Water Valve Kit Fit for Dometic 300, 310, 320 Series Toilets, Freeze Resistance & Leakage Resistance, 385311641 Camper Toilet Valve Replacement with 385311658 Flush Ball Seal |
This RV toilet water valve kit is perfect for RV owners who want a reliable and easy-to-install solution for their Dometic toilets. It’s great for those in cold climates or anyone needing a leak-free, durable replacement. |
|
![]() |
Ywdiml RV Water Valve Kit, Freeze-Resistant Camper Pedal Flush Toilet Repair Set Replaces 385311641, Motorhome Toilet Water Valve Flush Ball Seal Kit, Compatible with 300 301 310 311 320 321 |
This RV water valve kit is perfect for RV owners who want a reliable and easy-to-install solution for their camper toilet repairs. It’s ideal for those dealing with leaks, freezing, or worn-out parts, ensuring long-lasting performance in all weather conditions. |
Detailed Reviews
Discover the top 10 Flush Valve Balls handpicked for performance, durability, and value. Each product is expert-reviewed and backed by customer feedback to ensure you get the best fit for your needs. Whether you’re fixing a leaky toilet or upgrading your RV, this guide makes choosing easy and reliable. Dive in to find the perfect solution for a smooth, leak-free experience!
1. Korky 58BP Flush Ball For Kohler Toilet Repairs – Replaces Kohler Part 49114 – Made in USA

Fix your Kohler toilet with the Korky Flush Ball. It’s made from flexible rubber for a tight seal and easy repair.
This flush ball fits many Kohler models. It’s made with long-lasting rubber. Get your toilet working like new!
| Pros | Cons |
|---|---|
|
|
Perfect For:
This flush ball flapper is perfect for anyone fixing a Kohler toilet. It’s easy to install and works with many models.
Ready to Purchase?
2. Upgrade Water Heater Drain/Flush Ball valve kit, Full-Port Valves 3/4″MIP x 3/4″ Male GHT Connection to Hot Water Heater Tank, 2 inch Shank, 180 degree Handle with Chain, Cap and Thread Tape

This water heater drain valve kit is a must-have upgrade for your home. It fits 90% of residential tanks and makes maintenance fast and easy.
The full-port design drains 50% faster than standard valves. It’s lead-free brass, so it’s safe and durable. The 200 PSI pressure rating ensures it works in extreme conditions.
Installation takes just 3 minutes. It’s leakproof and prevents sediment buildup. Enjoy lifelong anti-scaling and hassle-free drainage.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This water heater drain valve kit is perfect for homeowners who want to keep their water heaters running smoothly. It’s easy to install and works with most residential tanks, making maintenance quick and hassle-free.
Ready to Purchase?
3. House Mods HMP011 LF Brass 3/4″ MNPT Water Heater Drain/Flush Valve(Full Port, Ball Valve, 3 inch Shank, 180 degree Handle W/Garden Hose Cap and Thread Tape)

This water heater drain valve is made of lead-free compliant brass and a 304 stainless steel ball. It’s suitable for potable water.
The HMP011 model features a 3-inch shank perfect for water heaters up to 2-1/2 inches deep. Its full port ball valve ensures fast draining and easy unclogging.
The large octagon nut makes installation simple. Enjoy flexible installation with its 180-degree handle.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This heavy-duty water heater drain valve is perfect for homeowners who want a quick and easy way to flush their water heater. Its full port design and large handle make draining a breeze, while the lead-free brass ensures safe, potable water.
Ready to Purchase?
4. RV Toilet Seal, Flush Ball Seal Gasket Replacement for Dometic 300/310/320 – Upgraded 385311658 – Toilet Seal Parts to Solve The Leakage Problem, 2-Pack

Say goodbye to unpleasant odors and leaky RV toilets! This upgraded flush ball seal is the perfect fix for your Dometic 300, 310, or 320 RV toilet. It’s designed to stabilize water levels and ensure a more effective flush, giving you back your comfortable RV space.
Installation is a breeze! You can replace the old seal in just a few simple steps, without needing to take apart your entire toilet.
Crafted from superior rubber materials, this seal offers exceptional durability and long-lasting performance. It’s the ideal spare part to keep on hand for future needs.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This RV Toilet Seal is perfect for RV owners who are experiencing odor and water leaks from their Dometic 300, 310, or 320 toilets. It’s an easy-to-install upgrade that restores a fresh RV space and ensures effective flushing.
Ready to Purchase?
5. PlumbCraft 2-in. White and Blue Flapper Tank Ball for Brass or Plastic Flush Valve 7542500T, Toilet Flapper Replacement Kit for Toilet Tank Repair, Universal Toilet Flapper and Toilet Flusher Seal

Fix your toilet with the PlumbCraft Flapper Tank Ball. This universal kit works for most toilets. It’s a quick fix for leaks and noise.
Save water and money with this flapper. It stops wasteful running water. You’ll notice the difference fast.
Easy to install, this kit is perfect for anyone. PlumbCraft offers practical solutions for your home. Trust us for reliable repairs.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This toilet flapper replacement kit is perfect for anyone who wants to fix a noisy or leaky toilet. It’s easy to install and saves water, making it ideal for homeowners or DIY enthusiasts.
Ready to Purchase?
6. EvertechPRO Toilet Flapper Replacement Kit – 2 Inch Flapper Ball for Flush Valve, Universal Design Toilet Stopper Flapper With 9 Inch Steel Chain, Long-Lasting Durability

Fix your toilet with the EvertechPRO Toilet Flapper Replacement Kit. This 2-inch flapper stops leaks and makes flushing smooth. Installation is super easy with its universal design.
Enjoy a leak-free toilet for years. This durable kit saves water and money.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This EvertechPRO Toilet Flapper Replacement Kit is perfect for anyone who wants a reliable, leak-free toilet. It’s easy to install and built to last, saving you time and money.
Ready to Purchase?
7. 2 Set RV Toilet Valve Replacement Kit | Dometic RV Toilet Parts 385311641 | Compatible with Dometic 300, 301, 310, 311, 320, 321 Pedal-Flush Toilets | Includes 385311658 Flush Ball Seal

Stop RV toilet leaks and odors with this 2-set RV Toilet Valve Replacement Kit. It’s a perfect fit for Dometic pedal-flush toilets, offering a hassle-free solution to common toilet problems.
This kit includes everything you need for a quick DIY fix. It solves leaks, running water, and bad smells. Get your RV toilet back to like-new performance in minutes!
| Pros | Cons |
|---|---|
|
|
Perfect For:
This RV toilet valve replacement kit is perfect for RV owners who want to fix common toilet problems quickly and easily. It’s ideal for Dometic pedal-flush toilet models and saves time and money with everything included.
Ready to Purchase?
8. Upgraded 385311641 RV Toilet Water Valve 385311658 Flush Ball Seal by Blutoget-Fit for Sealand Dometic 300, 310, 311, 320, 321 RV Toilets&Pedal Flush Valve Toilet&Marine Toilet-High Sealing No Leakage

Upgrade your RV toilet with this high-quality valve kit. It’s designed to prevent leaks and stop odors. Enjoy a cleaner, more comfortable RV experience.
This easy-to-install kit includes everything you need. It’s made from strong, durable materials. The antifreeze technology means it works even in cold weather.
This Blutoget-Blutoget kit fits many Sealand and Dometic RV toilets. Get yours and solve toilet leaks today.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This Upgraded RV Toilet Water Valve Kit is perfect for RV owners who want a leak-free, odor-resistant toilet. It’s easy to install and works great for Sealand Dometic 300, 310, 311, 320, and 321 RV toilets.
Ready to Purchase?
9. Oyviny Upgraded RV Toilet Water Valve Kit Fit for Dometic 300, 310, 320 Series Toilets, Freeze Resistance & Leakage Resistance, 385311641 Camper Toilet Valve Replacement with 385311658 Flush Ball Seal

Stop leaks and save water with the Oyviny Upgraded RV Toilet Water Valve Kit. This essential replacement is designed to fit Dometic 300, 310, and 320 series RV toilets. It’s your quick fix for a constantly running toilet.
This tough valve is built to handle freezing temperatures. It offers reliable performance even in the cold. Say goodbye to leaks and hello to a dry RV.
Installation is a breeze, taking only about 10 minutes. Everything you need is included for an easy fix. Get your RV toilet back in top shape without replacing the whole unit!
| Pros | Cons |
|---|---|
|
|
Perfect For:
This RV toilet water valve kit is perfect for RV owners who want a reliable and easy-to-install solution for their Dometic toilets. It’s great for those in cold climates or anyone needing a leak-free, durable replacement.
Ready to Purchase?
10. Ywdiml RV Water Valve Kit, Freeze-Resistant Camper Pedal Flush Toilet Repair Set Replaces 385311641, Motorhome Toilet Water Valve Flush Ball Seal Kit, Compatible with 300 301 310 311 320 321

Keep your RV toilet working perfectly with this premium water valve kit. It’s built tough with ABS material for long-lasting use in any weather. This kit is your easy fix for common toilet problems.
No more leaks or freezing issues! This kit ensures smooth water flow and protects your toilet from damage. Get back to enjoying your adventures with reliable performance.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This RV water valve kit is perfect for RV owners who want a reliable and easy-to-install solution for their camper toilet repairs. It’s ideal for those dealing with leaks, freezing, or worn-out parts, ensuring long-lasting performance in all weather conditions.
Ready to Purchase?
Buying Guide
Flush valve balls are key to a smooth-running toilet. Whether for your home or RV, the right part makes a big difference. Say goodbye to leaks, odors, and wasted water.
Choosing the best flush valve ball can save you time and money. Our guide makes it easy to find the perfect fit for your needs. Let’s dive in and fix your toilet like a pro!
Here’s what to consider when buying:
-
Compatibility:
Make sure the flush valve ball fits your toilet model. Check if it’s for Kohler, Dometic, or universal use. -
Material:
Look for durable materials like rubber, brass, or stainless steel. These last longer and prevent leaks. -
Ease of Installation:
Choose a kit with simple steps and included tools. Quick fixes save time and hassle. -
Leak Prevention:
A tight seal is essential. Check for leakproof designs to avoid water waste. -
Weather Resistance:
For RV toilets, pick freeze-resistant options. They work well in cold weather. -
Water Efficiency:
A good flush valve ball stops running water. Save water and lower bills. -
Durability:
Go for long-lasting parts. Avoid frequent replacements and repairs. -
Price:
Compare prices for the best value. Affordable options can still be high-quality.
With these tips, you’ll find the perfect flush valve ball for your toilet. Enjoy a leak-free, efficient, and comfortable experience!