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10 Best Toilet Repair Kits 2025 in the United States

#1

Winner

9.8 score

Kohler Genuine Part Gp1083167 Silent Fill Valve Kit For All Kohler Class Five Toilets,12.5" x 3.5" x 3"

The Kohler Genuine Part GP1083167 Silent Fill Valve Kit is designed specifically for Kohler Class 5 toilets, making it a great option if you need to repair or replace the fill valve in these models. One of its standout strengths is the silent fill technology, which ensures your toilet fills quietly, adding comfort to your bathroom experience. It includes adjustable fill-rate inserts, allowing you to optimize water usage, which is not only eco-friendly but can also help reduce your water bill.

Rating
9.8
Chosen by1,473
Compatibility
Components Included
Ease of Installation

Most important from
9338 reviews

Compatibility
Direct replacement for a Kohler toilet.
Components Included
For the price, it's worth having an extra valve in stock to replace when needed.
Ease of Installation
Lasts for over 5 years and is better than Walmart brands. Fits great and easy to install with no leakage.
Durability
Lasts for over 5 years and is better than Walmart brands.
Water Efficiency
Solves the issue of the toilet barely refilling its tank. The new fill valve works correctly and refills the tank in a minute or two.
#2
9.6 score

KOHLER Silent Fill Toilet Valve Kit, Genuine Part GP1138930, Adjustable with Multiple Fill-Rate Inserts

The KOHLER Silent Fill Toilet Valve Kit (GP1138930) is a genuine replacement part designed to work seamlessly with Kohler Class 5 toilets. One of the standout features is its Silent Fill Technology, which ensures that the toilet tank fills quietly, providing a more pleasant experience.

Rating
9.6
Compatibility
Components Included
Ease of Installation

Most important from
4817 reviews

Compatibility
Perfect replacement, no leaks, worked right out of the box!
Components Included
Comes with a variety of color-coded water restrictors to adjust flow rates.
Ease of Installation
The valve is easy to install and adjust, with only two main adjustments needed.
Durability
Nearly identical to 25-year-old Kohler valve, highlighting amazing longevity.
Water Efficiency
Comes with a variety of color-coded water restrictors to adjust flow rates.
#3
9.3 score

American Standard 7381657-200.0070A Vormax Toilet Flapper Assembly, Black

The American Standard 7381657-200.0070A Vormax Toilet Flapper Assembly is a specialized repair kit designed to enhance the performance of Vormax toilets. A key strength is its compatibility; it's designed specifically for Vormax models, ensuring optimal performance. The kit includes dual flappers with silicone seals and a teeter bar, adding to its comprehensive nature. The durability of this toilet flapper assembly is commendable, featuring a secure metal toilet chain that promises long-lasting use. This makes it a robust choice for those looking to invest in a reliable product.

Rating
9.3
Ease of Installation
Durability

Most important from
1719 reviews

Ease of Installation
Easy to install and corrected the leaking water problem.
Durability
The seal develops bubbles in the silicone, causing it to fail every two years. This points to a design and material flaw.

Top 10 Best Toilet Repair Kits 2025 in the United States

#1

Winner

9.8 score

Kohler Genuine Part Gp1083167 Silent Fill Valve Kit For All Kohler Class Five Toilets,12.5" x 3.5" x 3"

Compatibility: Kohler Class 5 toilets
Components Included: Silent Fill Valve Kit, inserts
Ease of Installation: straightforward
Durability: engineered by Kohler for performance
Water Efficiency: adjustable inserts for water usage

Chosen by 1473 this week

KOHLER Silent Fill Toilet Valve Kit, Genuine Part GP1138930, Adjustable with Multiple Fill-Rate Inserts

Compatibility: Kohler Class 5 toilets, grey shanks
Components Included: Multiple fill-rate inserts
Ease of Installation: Relatively easy to install
Durability: Plastic and metal construction
Water Efficiency: Water-efficient choice

American Standard 7381657-200.0070A Vormax Toilet Flapper Assembly, Black

Compatibility: Vormax models
Components Included: dual flappers, silicone seals, teeter bar
Ease of Installation: straightforward
Durability: long-lasting

Danco 10879 One Toilet Perfect Seal Wax Ring & Zero Cut, Mess Install, Complete Kit Includes Bolts and Adapters, 1-Pack, blue

Compatibility: Works with flanges above or below floor
Components Included: All necessary bolts and adapters
Ease of Installation: Straightforward and customizable
Durability: 3 times stronger seal

TOTO TSU99A.XR Fill Valve, Blue

Compatibility: adjustable for all TOTO tanks
Components Included: valve, refill tube, clamp, washer, nut
Ease of Installation: straightforward
Durability: stainless steel and brass

Danco 80816 Complete Toilet Repair Kit Fill Valve, Flapper, Rod, Float Replacement, White

Compatibility: single-flush toilets
Components Included: fill valve, flapper, rod, float
Ease of Installation: clear instructions, common tools
Durability: plastic and rubber construction
Water Efficiency: not the best compared to dual-flush

Fluidmaster K-400H-038-T4 PerforMAX 3 in. Everything Toilet repair kit, No Size, Multi

Compatibility: 3-inch flush valve toilets, Toto, American Standard
Components Included: installation tools, instructions, PerforMAX fill valve
Ease of Installation: user-friendly, straightforward
Durability: stainless steel hardware, 7-year warranty
Water Efficiency: adjustable features for customized water usage
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Buying Guide for the Best Toilet Repair Kits

Choosing the right toilet repair kit can save you time, money, and the hassle of dealing with a malfunctioning toilet. A good repair kit will help you fix common issues such as leaks, running water, or a weak flush. When selecting a toilet repair kit, it's important to consider the specific components included, the compatibility with your toilet model, and the ease of installation. Here are some key specifications to look for and how to choose the best one for your needs.
CompatibilityCompatibility refers to whether the repair kit will work with your specific toilet model. This is important because toilets come in different shapes and sizes, and not all repair kits will fit every toilet. To navigate this, check the product description for information on which toilet models the kit is compatible with. If you have a standard toilet, most universal kits will work. However, if you have a more unique or older model, you may need to look for a kit specifically designed for that type. Knowing your toilet's brand and model can help guide you to the right kit.
Components IncludedThe components included in a toilet repair kit can vary, but common parts are fill valves, flush valves, flappers, and gaskets. This is important because different toilet issues require different parts to fix. For example, a running toilet might need a new flapper, while a weak flush could require a new fill valve. To navigate this, identify the specific problem with your toilet and ensure the kit includes the necessary parts to address it. If you're unsure, a comprehensive kit with multiple components can be a good choice as it covers a range of potential issues.
Ease of InstallationEase of installation refers to how simple it is to install the repair kit without professional help. This is important because a kit that is difficult to install can lead to frustration and potentially more damage to your toilet. To navigate this, look for kits that come with clear instructions and possibly even video tutorials. Kits labeled as 'easy to install' or 'DIY-friendly' are generally designed for homeowners with little plumbing experience. If you are not confident in your DIY skills, choosing a kit with detailed instructions and customer support can be very helpful.
DurabilityDurability refers to how long the parts in the repair kit will last once installed. This is important because durable parts will save you from having to make frequent repairs. To navigate this, look for kits made from high-quality materials such as stainless steel or durable plastic. Reading customer reviews can also give you an idea of how long the parts typically last. If you want a long-term solution, investing in a kit known for its durability is a wise choice.
Water EfficiencyWater efficiency refers to how well the repair kit helps your toilet use water efficiently. This is important because an efficient toilet can save you money on your water bill and is better for the environment. To navigate this, look for kits that are labeled as 'water-saving' or 'high-efficiency.' These kits often include features like adjustable fill valves that allow you to control the amount of water used per flush. If conserving water is a priority for you, choosing a water-efficient kit can be beneficial.

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