
A dual-flush retrofit kit enhances your bathroom by providing an eco-friendly solution that reduces water consumption with each flush. This easy-to-install upgrade fits most existing toilets, allowing you to control the flush volume and save on water bills. Choosing this kit ensures efficient bathroom performance while promoting sustainable water use.
Best for saving water with an easy dual flush system

The Danco HYR451T HydroRight Universal Water-Saving Toilet Repair Kit is designed to help reduce water usage while maintaining effective flushing performance. This kit includes a dual flush valve and lever handle that allow you to control the amount of water per flush, making it a practical choice for your bathroom upgrades.
You may like:
- Dual Flush Valve - Provides two flush options to save water and reduce utility bills without compromising on toilet performance.
- Universal Fit - Designed to work with most standard toilets, making installation easier and more convenient for you.
You may not like:
- White Finish - The white color might not match all toilet designs or bathroom decor, which could be a drawback for aesthetic preferences.
Best for eco-conscious homeowners seeking efficient dual flush toilet upgrades

The Fluidmaster 550DFRK-3 DuoFlush is a complete fill valve and dual flush conversion system designed to improve toilet efficiency with two flush options. This product allows you to control water usage easily, helping your household save water and reduce utility bills.
You may like:
- Dual flush technology - Enables separate flush modes for liquid and solid waste, optimizing water use for each type.
- Complete fill valve kit - Comes with all necessary components for easy and quick installation without additional purchases.
- Water-saving design - Helps reduce water consumption significantly compared to standard single flush systems, benefiting your water bill and the environment.
You may not like:
- Compatibility limitations - May not fit all toilet models without adjustments, requiring you to check your toilet's compatibility before purchasing.
Best for one-piece toilets with 10"-13" tank height needing dual flush valve repair.

The 2-Inch Top Dual Flush Valve Repair Kit is designed for one-piece toilets with tank heights between 10 and 13 inches. This kit fits drain holes measuring 2.44 to 2.83 inches and ensures reliable flushing performance for your toilet.
You may like:
- Dual flush valve design - Provides efficient water usage by allowing you to choose between a full or partial flush, helping to save water and reduce utility bills.
- Complete repair kit - Includes a 2-inch flush valve, a 2.2-inch threaded push button, and a fill valve, giving you all necessary parts for a seamless toilet repair.
You may not like:
- Compatibility limits - Specifically built for one-piece toilets with certain tank heights and drain hole sizes, which may not fit all toilet models.
Best for upgrading Sloan G2 Optima and ECOS flushometers with precise electronic control.

The EBV-129-A-C Electronic Control Module and Sensor Assembly is designed for Sloan G2 Optima and ECOS Flushometers, supporting 1.28 GPF and 1.6 GPF models. This reliable component helps ensure consistent and efficient flushing performance in commercial restrooms, making maintenance easier for you.
You may like:
- Compatibility - It works seamlessly with Sloan G2 Optima and ECOS Flushometers, covering a range of 1.28 to 1.6 gallons per flush, allowing you to maintain water savings.
- Sensor Precision - The sensor assembly provides accurate detection to minimize water waste and improve hygiene by enabling touchless operation, which benefits your facility.
- Durability - Built with high-quality materials to withstand frequent use in busy restrooms, this module supports long-term operation and reduces maintenance visits.
You may not like:
- Installation Complexity - Installing and aligning the sensor may require technical skills and time, which might challenge users unfamiliar with plumbing or electronic components.
Best for two-piece toilets needing a compact dual flush valve replacement.

The 2 Inch Toilet Flush Valve is designed for two-piece toilets offering a reliable dual flush system for water efficiency and effective flushing. This replacement kit fits top push button toilets with a short height of 8 inches, making it suitable for various bathroom setups including your own.
You may like:
- Dual flush functionality - Allows you to choose between a full or half flush, helping reduce overall water usage while keeping your toilet functioning well.
- Compact design - The short 8-inch height makes installation straightforward in tight spaces without modifying existing toilet parts.
- Top push button compatibility - Specifically built for top push button toilets, ensuring smooth operation and easy user access for your bathroom needs.
You may not like:
- Limited to two-piece toilets - This flush valve kit is not compatible with one-piece toilets, limiting use to certain toilet models and designs.
Best for those who want an easy water-saving toilet repair solution with dual flush functionality.

The 2-inch Dual Flush Valve Push Button Converter Kit is designed for use with standard flush valves, offering improved water efficiency and easy installation. This water-saving replacement kit includes all necessary parts like gaskets and bolts, making it a reliable option for your toilet repair needs.
You may like:
- Water-saving design - This kit helps reduce water usage by providing two flush options, which can lower your water bills and support environmental conservation.
- Complete replacement parts - Includes a dual flush valve, push button, gasket, and bolts, ensuring a full and secure replacement without needing additional components.
- Certified compliance - UPC and CUPC listings guarantee that the kit meets strict plumbing standards for safety and performance in your home.
You may not like:
- Compatibility limitations - The kit is designed specifically for standard flush valves and may not work with non-standard or proprietary toilet models, requiring verification before purchase.
Best for homeowners who want a reliable dual flush system with leak prevention and water conservation.

The 3 Inch Dual Flush Valve Complete Conversion Kit is designed to improve toilet efficiency by replacing the traditional flapper and chain system. This kit provides two flushing options and comes with a handle and overflow water conserver to help reduce water waste in Your bathroom.
You may like:
- Dual Flush Options - Offers two flushing modes, allowing You to choose between a full or partial flush depending on the need, conserving water effectively.
- Complete Conversion Kit - Includes all necessary parts such as the fill valve, handle, and overflow water conserver, making installation straightforward without additional purchases.
You may not like:
- Replacement Complexity - Installation might require some plumbing knowledge or tools, which could be challenging for users unfamiliar with toilet repairs.
Best for repairing dual flush valves in 2-piece toilets from major brands.

The 2-Inch Dual Flush Valve Repair Kit is designed for 2-piece toilets, compatible with brands like American Standard, Glacier Bay, Kohler, and more. It is an essential replacement part that helps maintain your toilet's flushing efficiency and performance.
You may like:
- Comprehensive kit components - Includes a 9.7" height flush valve, threaded button, gasket, and bolts, providing all necessary parts for a complete repair.
- Wide compatibility - Designed to fit multiple popular toilet brands, ensuring easy installation and effective functionality for various 2-piece toilet models.
You may not like:
- Limited to 2-piece toilets - Not suitable for single-piece or one-piece toilet models, which may limit its use if you have a different toilet type.
- Manual installation required - Installation may require tools and some plumbing knowledge, which can be challenging for users without experience in toilet repairs.
Best for homeowners who want efficient water conservation and easy toilet upgrades.

The 2 Inch Dual Flush Valve Complete Conversion Kit provides an efficient way to upgrade your toilet's flushing system to conserve water. This kit includes a handle and an overflow water conserver designed to reduce water waste while maintaining optimal performance for your bathroom needs.
You may like:
- Dual Flush Valve - Allows you to choose between a full flush and a half flush for better water management, helping to lower your water bills.
- Complete Conversion Kit - Comes with all necessary parts for an easy upgrade, ensuring compatibility with most standard toilets.
- Overflow Water Conserver - Prevents excessive water use by controlling the overflow, which makes your toilet more eco-friendly and efficient.
You may not like:
- Installation Complexity - Some users may find the installation process requires basic plumbing knowledge and tools that are not included in the kit.
What Is a Dual-Flush Retrofit Kit?
A dual-flush retrofit kit is a bathroom upgrade designed to convert a traditional single-flush toilet into a water-saving dual-flush system. This kit allows you to control the amount of water used for flushing, promoting efficiency and environmental conservation.
- Water Efficiency - The dual-flush retrofit kit provides two flush options: a low-volume flush for liquid waste and a higher-volume flush for solid waste.
- Easy Installation - The kit is designed for simple installation without the need to replace the entire toilet, making it a cost-effective upgrade.
- Environmental Impact - By reducing water usage per flush, the retrofit kit helps conserve water and lower utility bills.
Key Benefits of Installing a Dual-Flush Retrofit
Installing a dual-flush retrofit kit enhances toilet efficiency by offering two flush options, reducing water usage significantly. This upgrade is compatible with most existing toilets, making it an easy and cost-effective way to conserve water.
Lower water consumption leads to reduced utility bills and supports environmental sustainability efforts. You gain improved control over water use without replacing your entire toilet system.
How a Dual-Flush System Works
A dual-flush retrofit kit allows standard toilets to operate with two flush options, using less water for liquid waste and more for solid waste. This system conserves water efficiently, reducing overall household consumption.
The mechanism separates the flush into two distinct volumes: a half flush for light waste and a full flush for heavier waste. By pressing different buttons or levers, users can select the appropriate flush, optimizing water use.
The dual-flush system retrofitted into existing toilets improves water efficiency without replacing the entire unit.
Compatibility: Can Your Toilet Be Upgraded?
Dual-flush retrofit kits offer an eco-friendly solution to upgrade existing toilets without full replacement. Compatibility depends on the toilet model, flush valve size, and internal mechanisms. Checking manufacturer specifications ensures the retrofit kit fits and functions effectively in your current toilet.
Essential Tools and Materials Needed
Installing a dual-flush retrofit kit can significantly reduce water usage in your bathroom by allowing you to choose between a full or half flush. Essential tools for this project include a flathead screwdriver, adjustable wrench, and a pair of pliers to remove and tighten components. You will also need materials such as the dual-flush mechanism, replacement washers, and plumber's tape to ensure a secure and leak-free fit.
Having these tools and materials ready before starting will make your installation process smoother and faster.
Step-by-Step Installation Guide
Installing a dual-flush retrofit kit enhances water efficiency by allowing two flush options in your bathroom. This kit is compatible with most existing toilet systems, making it an eco-friendly upgrade.
Begin by turning off the water supply and emptying the toilet tank completely. Next, remove the existing flush mechanism to prepare for the new dual-flush kit installation.
Carefully insert the dual-flush valve according to the manufacturer's instructions and secure it in place. Reconnect the water supply and test both flush options to ensure proper functionality.
Adjust the flush settings if needed to optimize water usage without compromising cleaning performance. This simple installation can significantly reduce water consumption and lower utility bills.
Common Issues and Troubleshooting Tips
Dual-flush retrofit kits are popular for improving water efficiency in existing toilets. However, users often encounter common issues that can affect performance and savings.
- Flushing mechanism sticks - Residue buildup or misalignment in the flush handle can cause it to stick, preventing proper operation.
- Incomplete flush - Incorrect installation or low water pressure often results in an inadequate flush, leaving waste behind.
- Leaking between tank and bowl - Worn or improperly seated gaskets cause water to leak, leading to water waste and higher bills.
Troubleshooting typically involves checking the handle alignment, ensuring seals are tight, and verifying water pressure. Keeping retrofit components clean and correctly installed maximizes efficiency and durability.
Water Savings and Environmental Impact
Dual-flush retrofit kits significantly reduce water consumption by offering two flush options, optimizing water use for liquid and solid waste. This upgrade contributes to environmental conservation by lowering water waste and minimizing your home's ecological footprint.
Feature | Water Savings | Environmental Impact |
---|---|---|
Single Flush | 13 liters per flush | Higher water waste |
Dual-Flush Kit (Full Flush) | 6 liters per flush | Reduced water use |
Dual-Flush Kit (Half Flush) | 3 liters per flush | Minimizes water waste |
Annual Water Savings | Up to 30% compared to single flush | Decreases strain on water resources |
Maintaining Your Dual-Flush Retrofit Kit
Maintaining your dual-flush retrofit kit ensures optimal performance and water efficiency in your bathroom. Regular care helps prevent leaks and extends the lifespan of the flushing mechanism.
- Check for leaks - Inspect connections and seals regularly to avoid water wastage.
- Clean valve components - Remove mineral deposits and debris to maintain smooth operation.
- Test flush settings - Adjust the flush volume to ensure proper water conservation.
- Replace worn parts - Swap out faulty washers or seals promptly to prevent malfunctions.
- Follow manufacturer instructions - Use recommended cleaning agents and maintenance schedules for best results.
Frequently Asked Questions about Dual-Flush Retrofits
What is a dual-flush retrofit kit? A dual-flush retrofit kit is an attachment or replacement part that converts a traditional single-flush toilet into a dual-flush system. It allows users to choose between a full flush and a half flush to save water.
How much water can a dual-flush retrofit kit save? Dual-flush retrofit kits typically reduce water consumption by up to 30-50% per flush. This translates to significant water savings and lower utility bills over time.
Is a dual-flush retrofit kit compatible with all toilets? Most dual-flush retrofit kits are designed to fit a wide range of standard toilets. However, it is important to check the product specifications to ensure compatibility with your specific toilet model.
How easy is it to install a dual-flush retrofit kit? Installation usually takes less than 30 minutes and requires only basic tools. Many kits come with clear instructions, making the process straightforward for homeowners.
Will a dual-flush retrofit kit affect toilet performance? When installed correctly, these kits maintain or improve flushing performance. They optimize water use without sacrificing the toilet's effectiveness.
Can a dual-flush retrofit kit help reduce water bills? Yes, by allowing users to choose lower volume flushes for liquid waste, dual-flush retrofit kits reduce overall water consumption. This results in noticeable savings on water bills over time.
Are dual-flush retrofit kits environmentally friendly? Dual-flush retrofit kits contribute to water conservation efforts and reduce environmental impact. They help decrease water wastage and support sustainable bathroom practices.