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Best Toilet Tank Repair Kit for an Efficient and Quiet Flush That’ll Last

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Why call a plumber when you can fix your toilet yourself? Toilet repair kits give you the parts you need to repair common issues. But, which repair kit is the best choice? Let’s take a look at the best toilet repair kits you can buy and what else you should consider when buying one.

The overall best toilet repair kit for most people is the Korky 4010PK Universal Complete Toilet Repair. It includes everything you need to install the system and will work with almost any toilet. It uses a modern design to reduce noise and is designed to resist water damage to ensure it’ll last a long time.

If it’s not available then the Fluidmaster 400ARHRKP10 PerforMAX Universal High Performance All-in-One Toilet Repair Kit  is a great runner up. It matches up well to the Korky 4010PK toilet repair kit however the Korky is slightly more reliable due to materials used. The Korky is also easier to install in most toilets.

Table of Contents

Best Toilet Repair Kit

Picture Name Feature Price Rating
Korky 4010PK Universal Toilet Repair Kit
Best all Around – This toilet repair kit will fit the needs of most people and is our top recommendation. It’ll last again any water damage and will fit most toilets. $$ 5.0
Plumbcraft 7029000 Universal Toilet Repair Kits
Best Budget Pick – If your tight on cash this is a good budget pick. It’s design and materials used won’t last as long as our top pick but it gets the job done. $$$ 4.8
Fluidmaster 400ARHRKP10 PerforMAX Universal High Performance All-in-One Toilet Repair Kit Best Second Option – If the Korky 4010PK Universal Kit isn’t available then this is another good option. It’s not quite as easy to install as the korky in all toilets but still gets the jobs done. $$$$ 4.7
FlushSaver PUSH BUTTON EURO-STYLE Dual-Flush Deluxe DIY Conversion Kit
Best Option For older Toilets – This is an all around good toilet fill valve that has some design flaws that impact is ability to set the water level. However, it will convert your toilet to a dual flush system that will save water and money in the long run. $$ 4.7
NEXT BY DANCO HyrdroRight Universal Toilet Repair Kit
Great for Saving Water – The Next by Dance is great for saving money by reducing water use. However, it can be unreliable at times and cause ghost flushing. $$ 4.6

Korky 4010PK Universal Complete Toilet Repair Kit

Features

Full Kit?: Yes

Dimensions: 2 x 2 x 11.5 Inches

Warranty: 5 Years

Toilet Types: Universal Toilet

Fill Valve Included: Yes

The Korky 4010PK Universal Complete Toilet Repair comes with everything required to overhaul the internal components of all toilets. It’s universal design makes it easy to install and retrofit to any brand. The design of the fill valve makes it run quieter than standard toilet components. The easily to adjust flush valve doesn’t require a hack saw to get it to fit.

It comes with long-lasting components designed to resist chlorine, hard water, rust, well water, bacteria, and city water treatment. The kit’s designed to upgrade out-dated toilets to a newer, quieter technology. The complete kit offers the fill valve, flush valve, flapper, and tank-to-bowl hardware, as well as gaskets, bolts, and other fasteners. The entire assembly comes with a five-year warranty.

Who is this repair kit ideal for?

This is the idea toilet repair kit for most people. It comes with everything you’ll need to replace inside a toilet. Its design makes it the easiest to install in most toilets. If your toilet tank is in bad shape and your ready to give it an update this is the best toilet repair kit for you.


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Pros

  • High-quality components designed to resist corrosion
  • Detailed instructions on how to install on almost any toilet configuration
  • Includes regulator to adjust water efficiency
  • Easy to install in most 2″ flush valve toilets
  • Includes 5 year warranty

Cons

  • Some older toilets require three bolts, kit only includes two
  • The overflow pipe may need to be cut to fit in shorter toilets
  • The valve can be a bit noisy, though adjustment can lower the noise level

Fluidmaster 400ARHRKP10 PerforMAX Universal High Performance Complete Toilet Repair Kit

Features

Full Kit?: Yes

Dimensions: 4.5 X 7.7 X 13.8 Inches 

Warranty: 7 Years

Toilet Types: Universal Toilet

Fill Valve Included: Yes

Designed to fit tanks with a 2″ flush valve, the Fluidmaster 400ARHRKP10 PerforMAX Universal High Performance All-in-One Toilet Repair Kit offers high-quality components backed by a seven-year warranty. The components are hard water and chlorine resistant.

The flapper includes a solid frame to prevent twisting. This helps prevent intermittent running and phantom flushing. The kit components are designed to fit all toilet brands. This kit includes detailed instructions on how to install the components in both newer and older toilets. It includes a regulator to control the amount of water the toilet uses in a single toilet flush. 

Who is this repair kit ideal for?

If the Korky 4010PK Universal repair kit isn’t available or you like the Fluidmaster brand then this is a good choice. The korky repair kit is just a little easier to install in most toilets. However, the warranty does cover you for 7 years. 


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Pros

  • High-quality components designed to resist corrosion
  • Detailed instructions on how to install on almost any toilet configuration
  • Includes regulator to adjust water efficiency
  • Easy to install in most 2″ flush valve toilets
  • Includes 7 year warranty

Cons

  • Some older toilets require three bolts, kit only includes two
  • The overflow pipe may need to be cut to fit in shorter toilets
  • The valve can be a bit noisy, though adjustment can lower the noise level

Plumbcraft 7029000 Toilet Repair Kits

Features

Full Kit?: Yes

Dimensions: 14.5 X 7.9 X 2.9 Inches

Warranty: 7 Years

Toilet Types: Universal Toilet

Fill Valve Included: Yes

The Plumbcraft 7029000 Toilet Repair Kit includes all the components needed to repair your toilet including the fill valve, flush valve, tank-to-bowl gasket, bolts & washers, water saving caps, toilet flapper, and flush lever. What’s more, this kit can convert an older toilet to one that uses less water.

The flow adjustment caps allow you to adjust the water for up to 40% savings. The components are made to be long wearing and corrosion resistant. An included manual gives simple installation instructions. The fill valve is adjustable to from 8″ to 13″ to make it fit toilets of different sizes. This kit is built for a 2″ fill valve.

Who is this repair kit ideal for?

If your tight on cash and want an affordable solution then the Plumcraft 7029000 repair kit gets the job done. It’s parts are slightly lower quality and it may not last as long as the Korky repair kit.


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Pros

  • Easy to install, even in older toilets
  • Includes three bolts for older toilets
  • Makes it easy to adjust the amount of water the toilet uses
  • Easy to follow instructions

Cons

  • Slower to fill tank
  • Overflow tube must be cut to fit shorter toilets
  • Flapper valve seals are thinner

FlushSaver PUSH BUTTON EURO-STYLE Dual-Flush Deluxe DIY Conversion Kit

Features

Full Kit?: Yes

Toilet Types: Two Piece Toilets

Fill Valve Included: Yes

The FlushSaver PUSH BUTTON EURO-STYLE Dual-Flush Deluxe DIY Conversion Kit converts standard toilets into dual flush. The repair kit fits toilets with tank drains with 2 3/8″ to 2 3/4″ openings. It also requires a 5/8″ to 3/4″ square button mount hole or 1 1/2″ round lid hole. It includes dual-flush valve, tank filler, bowl valve, gasket, bolts, labels, and instructions. The push button actuator is actually two buttons on one surface.

The smaller button activates the low-flow flush while the larger button activates the full-flow flush. Using the low-flow flush when possible means a family of four can save over 10,000 gallons of water in a year. Both cycles are adjustable to balance efficiency and cleanliness. The kit comes with 30 day return on unopened kits and a 90 day limited warranty on defective parts.

Who is this repair kit ideal for? 

If your keen on saving water and have an older toilet the flush saver convert kit is the best kit for you. It lets you convert an older toilet into a dual flush system which will save money in the long run. This is most notable in older toilets that use more water per flush.


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Pros

  • High-quality components designed to resist corrosion
  • Detailed instructions on how to install on almost any toilet configuration
  • Includes regulator to adjust water efficiency
  • Easy to install in most 2″ flush valve toilets
  • Includes 7 year warranty

Cons

  • Some older toilets require three bolts, kit only includes two
  • The overflow pipe may need to be cut to fit in shorter toilets
  • The valve can be a bit noisy, though adjustment can lower the noise level

NEXT BY DANCO HyrdroRight Universal Toilet Repair Kit

Features

Full Kit?: Yes

Dimensions: 7.2 X 3.5 X 12.6 Inches

Warranty: 5 Years

Toilet Types: Universal Toilet

Fill Valve Included: Yes

The NEXT BY DANCO HyrdroRight Universal Water-Saving Toilet Repair Kit makes it easy to convert a standard toilet to a dual flush model, without disassembling the toilet. It can fix many common toilet problems including faulty flapper, worn out lever, and malfunctioning chains. Installation requires no tools and can be completed in 10 minutes or less.

It’s designed to work in toilets with a minimum 10″ clearance between tank drain and bottom of lid. The system signals if a leak begins to occur. Jets clean the tank with every flush. The components are resistant to chlorine and chemicals. The kit’s designed to replace a 2″ flapper. Its patented mini-valve allows for easy adjustment of water level. It comes with either push button or lever dual flush. It’s easy to install and the kit comes with a 5 year warranty.

Who is this repair kit ideal for?

If you want the easiest installation and your toilets meets the clearance requirements you’ll get that with the Next by Danco repair kit. It design allows for quick and easy installation if your toilet fits the requirements.


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Pros

  • Ability to convert a standard toilet to a dual flush without disassembling entire toilet
  • Doesn’t require any tools to install
  • Signals if it detects a leak
  • Water in both flushes is fully adjustable

Cons

  • Instructions are complex and not always clear
  • Zip-tie included may not be strong enough

Diagnosing Your Toilet’s Problem

Before you order a toilet repair kit, it’s a good idea to figure out what is going on with the toilet. Different problems require different components to fix them. When you have a good idea of what is going on with your toilet, you can find a kit that has the parts you need to make the repair. A little time spent before purchasing will save time, money, and aggravation later.

To diagnose the problem, start by turning off the water at the base of the toilet. There’s usually a valve on the wall. Turn it to the off position. Flush the toilet to empty the tank. Keep flushing until it’s as empty as possible.

Check the seals and valves for corrosion or mineral buildup. Both can cause problems. Look for corrosion on metal parts. Use steel wool to remove any mineral build-up. Verify the chain that opens the flap is hooked up and not snagged on something.

Let’s look at a few common toilet repair problems and what you will need to fix them.

Common Toilet Repair Issues and How to Fix Them

The Toilet Runs Intermittently or Flushes Randomly

The problem is likely the toilet’s floater ball or flapper mechanism. One or both are not reading the toilet’s water level properly. When that happens, the assembly keeps refilling the tank.

The fix for this is to refit the flapper valve. Replace the seals and gaskets. Find a toilet repair kit that includes a flapper valve. Most kits include seals and gaskets, though some don’t. The good news is that you can purchase the seals and gaskets for a low price. Make sure everything is tight before you refill the toilet and flush for the first time.

The Toilet Is Running Constantly

You constantly hear a trickle of water entering the toilet bowl. The problem is probably a leaky fill valve. In many cases, you will have a smaller float ball in the tank that’s attached to an arm. The mechanism isn’t reading the fact that there is enough water in the tank. It keeps drawing water to fill the tank, which causes the overflow to trickle into the bowl.

The first thing to do is examine the fill valve. If it’s mucked up or clogged, remove the valve and give it a good cleaning with vinegar and an old toothbrush. Many times that will fix the problem.

If the cleaning doesn’t fix the problem, you need to replace the fill valve. Buy a kit that includes the fill valve and the necessary fittings. While doing the work, you should replace all the components to make sure everything fits together. It will prevent other problems from developing due to old components.

The Toilet Isn’t Flushing Completely or the Flush Is Weak

The problem could be with either the flush-valve cartridge or the air inducer on the fill valve. Remove the part and soak it in vinegar. Use a soft toothbrush to remove any mineral buildup or muck. If they are in good condition, put the originals back in place.

If you have hard water, however, you may need to replace the parts more often. Buy a toilet repair kit that includes the part you need to replace.

Another issue that can cause a weak flush is clogged water ports in the bowl. Use a mirror to check these ports. If you see them clogged with rust or mildew, use a wire hanger to clean the ports out. Then, flush and see if the strength improves.

Benefits of Toilet Repair Kits

You might wonder what are the benefits of buying a toilet repair kit over calling a plumber or buying a new toilet:

  • Buying repair parts and doing the work yourself is going to cost you less than hiring a plumber.
  • Getting repair parts will be cheaper than replacing the entire toilet. Plus, it’s usually a lot less work.
  • Most repair kits are made for the average homeowner. Many don’t require tools.
  • Newer repair kits can help you save on water because you can adjust the amount of water the toilet uses.
  • You can select a kit that includes the parts you need, so you don’t have to waste money on parts you don’t need.
  • Many kits will work across different toilet brands and styles.

Things to Keep In Mind When Buying Toilet Repair Kits

Even though buying toilet repair kits is often the best solution, there are a few things you should keep in mind when buying one:

  • Buy a kit with parts that fit your toilet. Universal kits are made to fit most toilet. However, always verify the flapper and fill valve will fit your particular toilet. Measure the drain at the bottom of the tank.
  • Verify what tools you will need to do the job. Many kits don’t require any tools. However, some do.
  • Always verify the kit includes the parts you need for your particular problem. Different kits include different components. 

Toilet repair kits can fix many common issues. However, they don’t fix them all. If your toilet is worn out or poorly designed, the repair kit won’t make it work like brand new. These kits work best for toilets that were working properly then developed a problem.

How to Select the Best Toilet Repair Kit

When selecting a toilet repair kit, there are a few things to keep in mind.

  • Ease of installation is critical, especially for those who are not experts at home improvement. The kit should include clear instructions with helpful illustrations.
  • High-quality components are essential. You don’t want to do all this work and have to replace the parts in six months.
  • Universal design kits make it easy to repair any toilet you might have. However, just because a kit is “universal”, that doesn’t mean it fits every toilet ever made. Always verify measurements before ordering.
  • Adjustability for water levels is a nice feature to have. It’s a great way to make an older toilet more water efficient.
  • Warranty is something to consider. Most kits come with a warranty, but some have better warranties than others.

And the Winner Is….

The Korky 4010PK Universal Complete Toilet Repair kit is the best toilet repair kit in our comparison. It includes all the parts needed to install the system. It offers modern technology to replace older, outdated systems, providing quieter operation. The manufacturer has taken steps to ensure the design is compatible with almost any brand of toilet.

Two notable design features are the fully adjustable flapper valve stem and flush valve stem. In other kits, such as the Plumbcraft 7029000 Toilet Repair Kit, the valve stems could only be adjusted by cutting off a portion of it. The fully adjustable stems in this kit make it much easier to install and adjust. Once the optimal level is found, the stem height locks into place.

The quality of the components is apparent. They are made to resist damage caused by chlorine, hard water, rust, well water, bacteria, and city water treatment. In comparison, the quality of the components included in the FlushSaver PUSH BUTTON EURO-STYLE Dual-Flush Deluxe DIY Conversion Kit is lower than in the Korky 4010pk kit.

The Korky kit can fix almost any problem your toilet’s internal systems were having. The kit includes all the pieces needed to do the conversion. It includes easy-to-follow instructions so that even a DIY newbie can install the components. The kit requires a minimum number of tools for installation, which is perfect for those with a limited tool set.

Another key feature of the Korky 4010PK Universal Complete Toilet Repair kit is the five-year warranty. While not as good as the seven-year warranty offered by FluidMaster, it is far better than the 90-day defective part warranty offered by FlushSaver. The quality of components include in the Korky kit makes the five-year warranty perfectly fine.

The main downside found with the Korky kit is that some older Gerber and Kohler toilets may not work with the included components. However, the kit works fine on toilets that are decades old as well as those manufactured in recent years.

Best Toilet Flush Kits FAQ

Are Toilet Repair Kits Universal?

Not all toilet repairs kits are universal. The Korky 4010PK is the best universal toilet repair kit that will fit most toilets. A good repair kit will have to fit various parts of your toilet such as the fill valve.

What is a Toilet Fill Valve?

A fill valve is a piece of a toilet that will refill the tank when it is flushed. It can get worn out over time and a good toilet repair kit will include this.

Which is better Korky or Fluidmaster?

Korky and Fluidmaster are two well known brands in the plumbing industry. They come with their each advantages and carry their brand name well. When it comes to toilet repair kits the Korky edges out a bit past the Fluidmaster.

How Much Does it Cost to Replace a Toilet Fill Valve?

If you call a professional it can cost any where from $70 to $150 depending on were you live. This is generally an easy task to do with a a universal repair kit. If you DIY it will cost you about $10-$25 depending on what quality repair kit you pick.

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