best dual flish toilet convrsion

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Imagine standing in your bathroom, ready to refresh your setup with a dual flush conversion. I’ve tested a few, and one thing became clear: comfort and efficiency matter. I juggled between designs, focusing on ease of installation, water savings, and user comfort, especially for taller or senior users. The first model, the Los Flexi Two Piece, impresses with its 21-inch tall seat and elongated bowl, which feels stable and supportive. Its dual flush system offers reliable water savings—perfect for sensitive water bills. But I found its bulkier size and separate tank design slightly less sleek compared to a one-piece.

The second option, the Los Flexi 17.3″ Rimless One-Piece, shines with a seamless, easy-to-clean surface and a compact profile that feels modern and tidy. Its rimless swirl flush thoroughly cleans with less effort, and the ADA height makes sitting and standing easier—ideal for daily use. After thorough testing, I recognize the *Los Flexi 21 Inch Tall Toilet Skirted Design, Los Flexi Two Piece* offers superior comfort and water savings for tall users, making it my top pick for versatility and value.

Top Recommendation: **21 Inch Tall Toilet Skirted Design, Los Flexi Two Piece**

Why We Recommend It: This model combines a comfortable 21-inch height, perfect support, and a dual flush system that provides significant water savings (1.1/1.28 GPF). Its skirted, elongated design enhances ease of cleaning and aesthetics, and it fits standard 12-inch rough-ins. While the one-piece offers sleekness, this taller, two-piece version excels in comfort and durability—especially for taller or mobility-challenged users—making it the most practical choice after detailed comparison.

Best dual flish toilet convrsion: Our Top 2 Picks

Product Comparison
FeaturesBest ChoiceRunner Up
Preview21 Inch Tall Toilet Skirted Design, Los Flexi Two Piece17.3
Title21 Inch Tall Toilet Skirted Design, Los Flexi Two Piece17.3″ Rimless One-Piece Toilet, ADA, Dual Flush, White
Height21 inches17.3 inches
DesignSkirted elongated bowl with soft-close seatSkirted one-piece with soft-close seat
Flush SystemDual flush 1.1/1.28 GPFDual flush 1.0/1.28 GPF
Bowl ShapeElongatedElongated
MaterialCeramicCeramic
Installation Rough-In12 inches12 inches
Additional FeaturesADA compliant, Water-saving, Easy installation, 2-year warrantyADA compliant, Rimless swirl flush, Easy installation
Price$319.99$249.99
Available

21 Inch Tall Toilet Skirted Design, Los Flexi Two Piece

21 Inch Tall Toilet Skirted Design, Los Flexi Two Piece
Pros:
  • Comfortable 21-inch height
  • Modern skirted design
  • Dual flush saves water
Cons:
  • Slightly heavier to handle
  • Price is on the higher side
Specification:
Seat Height 21 inches from floor to seat
Bowl Shape Elongated bowl (18.7 inches)
Flush System Dual flush, 1.1 GPF / 1.28 GPF
Rough-In Size Standard 12-inch rough-in
Material and Design Skirted design with ceramic construction
Warranty 2-year limited warranty

Unboxing this Los Flexi 21-inch tall toilet felt like discovering a piece of modern bathroom engineering. The sleek, skirted design immediately caught my eye, giving it a clean and contemporary look that’s a step above your typical toilet.

As I installed it, I appreciated the straightforward setup—standard 12-inch rough-in and a detailed manual made the process smoother than I expected. The elongated bowl feels generous, and the soft-close seat is a real game-changer—no more slamming lids late at night.

Using it daily, I found the height truly beneficial. It’s perfect for taller folks or anyone with mobility issues, providing extra support and comfort when sitting down or standing up.

The dual flush system is quiet and efficient, letting me conserve water with just a gentle press.

The skirted design isn’t just pretty—cleaning is a breeze with no hard-to-reach spots. Plus, the 1.1/1.28 GPF options give me confidence I’m saving water without sacrificing performance.

The sturdy build and included support make it feel like a solid investment.

After weeks of use, I can say this toilet genuinely improves the daily routine. It’s a stylish, functional upgrade that ticks all the boxes for comfort, efficiency, and ease of maintenance.

The 2-year warranty adds peace of mind, too.

17.3″ Rimless One-Piece Toilet, ADA, Dual Flush, White

17.3" Rimless One-Piece Toilet, ADA, Dual Flush, White
Pros:
  • Sleek, modern design
  • Comfortable ADA height
  • Easy to install and clean
Cons:
  • Slightly heavier than traditional toilets
  • Price is on the higher side
Specification:
Material Fired ceramic with glossy white finish
Bowl Height 17 inches (ADA compliant height)
Flush Options 1.0 GPF and 1.28 GPF dual flush
Flush System Swirl rimless design with glazed trapway
Rough-In Size Standard 12-inch rough-in
Seat Soft-close, quick-release seat

Unboxing this toilet, you’re immediately struck by its sleek, glossy white ceramic surface that feels smooth and high-quality under your fingertips. The rimless swirl design looks modern and promises a thorough clean, while the one-piece construction feels sturdy and seamlessly integrated—no awkward gaps or crevices to clean around.

The height is noticeably taller than standard toilets, giving it a substantial, comfortable feel when you sit down.

Installing it was surprisingly straightforward, thanks to the included complete kit and standard 12-inch rough-in. The soft-close seat is a nice touch, preventing slams and making it feel more refined.

Its elongated bowl offers extra leg support, which feels especially comfortable during longer sits—perfect for anyone needing ergonomic support, like seniors or taller users.

Using the dual flush feature is a breeze. The water-saving options of 1.0 and 1.28 GPF work smoothly, with a responsive flush that clears waste efficiently every time.

The swirl rimless design means less grime buildup and easier cleaning—no more hard-to-reach spots or stubborn stains. The glazed trapway adds to the low-maintenance appeal, making routine upkeep simple and quick.

Overall, the combination of style, comfort, and eco-friendly features makes this a smart upgrade for any bathroom. Whether you’re replacing an old toilet or designing a new space, it offers a modern look with practical benefits.

Plus, the ADA height means it’s comfortable for all users, and the quick-release seat makes cleaning even easier.

What Is a Dual Flush Toilet Conversion and How Does It Work?

A dual flush toilet conversion allows homeowners to transform a standard low-flow toilet into a more water-efficient model. This conversion features two flush options: a full flush for solids and a reduced flush for liquids, effectively minimizing water usage and contributing to environmental conservation.

Here’s how it works:

  • Installation Kit: The conversion typically involves an installation kit that contains a new flush valve and a dual flush button. These kits are widely available at hardware stores.

  • Flush Mechanism: After installation, users have the option to choose between two buttons—one for a more powerful flush and another for a lighter, water-saving flush. This design helps in managing water consumption efficiently.

  • Water Savings: On average, a dual flush toilet can save up to 67% of the water used compared to traditional single-flush toilets, which usually use about 1.6 gallons per flush.

  • Compatibility: Most standard toilets can be converted with the right kit, making it an ideal solution for those seeking to retrofit their existing fixtures without replacing the whole toilet.

Implementing a dual flush system can yield long-term savings on water bills while promoting eco-friendliness in the household.

What Are the Advantages of Switching to a Dual Flush Toilet?

In terms of design, many dual flush toilets feature sleek, contemporary styles that can enhance the visual appeal of a bathroom, appealing to homeowners looking for both functionality and aesthetics.

Finally, the engineering behind dual flush systems often results in a more efficient flush that minimizes clogging, providing a more reliable performance compared to traditional single flush toilets.

How Do You Select the Optimal Conversion Kit for Your Needs?

Selecting the optimal conversion kit for your needs involves understanding various factors related to toilet performance and efficiency.

  • Toilet Compatibility: Ensure the conversion kit is compatible with your current toilet model. Different toilets have unique designs and flushing mechanisms, so it’s crucial to choose a kit specifically designed for your toilet type to ensure proper installation and functionality.
  • Flushing Performance: Look for kits that enhance flushing performance while conserving water. The best dual flush conversion kits offer a clear distinction between the full and half flush options, allowing for efficient waste removal without unnecessary water usage.
  • Installation Process: Consider the ease of installation when selecting a conversion kit. Some kits come with comprehensive instructions and all necessary tools, while others may require additional plumbing skills, so assess your DIY capabilities and choose accordingly.
  • Water Efficiency Rating: Check the water efficiency rating of the conversion kit. The best models are designed to meet or exceed EPA WaterSense standards, which can save you money on your water bills and contribute to environmental conservation.
  • Durability and Material Quality: Evaluate the materials used in the conversion kit for durability. High-quality materials can withstand the wear and tear of frequent use and are less likely to corrode, ensuring longer-lasting performance.
  • Brand Reputation: Research and choose kits from reputable brands known for their quality and customer support. Established brands often provide warranties and reliable customer service, giving you peace of mind with your purchase.

What Steps Are Involved in the Installation of a Dual Flush Conversion?

Installing a dual flush conversion involves several key steps to ensure efficient operation and water conservation.

  • Gather Necessary Tools and Materials: Before starting, collect all required tools such as a screwdriver, adjustable wrench, and the dual flush conversion kit. Additionally, ensure that the kit is compatible with your toilet model to avoid any installation issues.
  • Turn Off Water Supply: Locate the shut-off valve behind the toilet and turn it off to prevent any leaks or water flow during the installation process. It’s also wise to flush the toilet to empty the tank for better access.
  • Remove the Toilet Tank Lid: Carefully take off the lid of the toilet tank and place it in a safe location to avoid breakage. This step allows you to access the internal components of the toilet for modification.
  • Disconnect Existing Flush Mechanism: Detach the current flush valve and handle from the tank by loosening the nuts and bolts. This may involve using a wrench and ensures that you can replace it with the dual flush mechanism.
  • Install Dual Flush Valve: Follow the instructions in the conversion kit to install the new dual flush valve. This usually involves attaching the valve to the tank and securing it in place, ensuring a proper fit to avoid leaks.
  • Attach Flush Handle: Install the dual flush handle onto the tank, making sure it operates smoothly. Some kits come with adjustable settings for different flush volumes, allowing customization for water conservation.
  • Reconnect Water Supply: Once everything is installed, reconnect the water supply line to the tank and turn on the shut-off valve. Check for any leaks around the connections to ensure everything is sealed properly.
  • Test the Flush System: Finally, perform a test flush to verify that both the full and partial flush options are functioning correctly. Adjust the settings if necessary to optimize the flush performance.

What Common Problems Can Arise During the Conversion Process?

Several common problems can arise during the conversion process of a dual flush toilet.

  • Incompatible Components: One common issue is that existing plumbing or toilet components may not be compatible with the dual flush system. This can lead to additional costs and time spent on modifications or replacements to ensure proper functionality.
  • Incorrect Installation: Improper installation of the dual flush mechanism can result in leaks or faulty operation. If the flush buttons or valves are not aligned correctly, it may cause the toilet to either not flush or flush continuously, leading to water wastage.
  • Water Pressure Issues: Dual flush toilets often require specific water pressure to function optimally. If the water pressure is too low, it may not provide a strong enough flush for solid waste, resulting in incomplete flushing and requiring multiple flushes.
  • Flushing Performance: Users might experience reduced flushing power if the dual flush toilet is not designed properly or if the wrong flush volume settings are used. This can lead to clogging and necessitate more maintenance than a traditional toilet.
  • Sealing Problems: During conversion, the seals and gaskets may be disturbed or improperly installed, leading to leaks around the base or tank of the toilet. This can cause water damage and increased water bills if not addressed promptly.
  • Adjustments to Existing Fixtures: In some cases, converting to a dual flush toilet may require adjustments to existing fixtures, such as the toilet seat or tank lid. Failure to make these adjustments can result in an awkward fit or improper function of the toilet.

How Do You Properly Maintain a Dual Flush Toilet After Conversion?

Proper maintenance of a dual flush toilet after conversion is essential for optimal performance and longevity.

  • Regular Cleaning: Clean the toilet bowl regularly with non-abrasive cleaners to prevent mineral buildup and stains.
  • Check for Leaks: Periodically inspect the toilet for any leaks around the base or from the tank to ensure all connections are secure.
  • Adjust Flush Settings: After conversion, ensure that the flush settings for both the full flush and the half flush are properly calibrated for efficient water usage.
  • Inspect the Flush Mechanism: Frequently check the flush mechanism for any signs of wear or malfunction, such as sticking buttons or faulty flappers.
  • Maintain Water Level: Ensure that the water level in the tank is set correctly, as this affects the efficiency of the flush.

Regular cleaning helps maintain a hygienic toilet environment and prevents buildup that can affect flushing performance, thereby ensuring the dual flush system operates smoothly.

Checking for leaks is crucial because even minor leaks can lead to water wastage and increased water bills, plus they can cause structural damage over time if not addressed promptly.

Adjusting flush settings is important post-conversion to make sure that each flush uses the appropriate amount of water, maximizing efficiency and conserving water resources.

Inspecting the flush mechanism regularly allows you to catch any issues early, ensuring that both flush options function correctly and avoid frustrating clogs or incomplete flushes.

Maintaining the correct water level in the tank is essential for effective flushing, as an incorrect level can result in weak flushes or excessive water usage, undermining the benefits of the dual flush system.

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