Toilet Dual Flush Valve Kit – Easy Install, Water-Saving

Upgrade Your Toilet with a Dual Flush Valve Kit

Say goodbye to water waste and high utility bills. This Toilet Dual Flush Valve Kit is a smart, easy-to-install replacement solution for connected side toilet water tanks. Featuring both a dual flush outlet valve and a float fill valve, this kit gives you complete control over how much water is used per flush — making it an eco-friendly and cost-effective upgrade for any home.

Why You'll Love It

• Efficient Water Management: The dual flush system lets you choose between a full or reduced flush, minimizing unnecessary water use and lowering your water bill.
• Durable ABS Plastic Construction: Made from high-quality ABS plastic, this cistern valve set is built to withstand daily use and deliver long-lasting, reliable performance.
• Easy to Install: Designed for a hassle-free DIY installation — no specialized tools required. Compatible with connected side toilet water tanks with inlet diameters of 6.5–7.5 cm.
• Multiple Size Options: Available in four sizes to fit a wide range of tank heights, ensuring a proper fit for your specific toilet model.
• Eco-Friendly Choice: Promote water conservation at home without sacrificing flushing performance.

Specifications

• Material: ABS Plastic
• Type: Two-piece (Dual Flush Valve + Float Fill Valve)
• Inlet Diameter: 6.5–7.5 cm (all sizes)
• Size Options & Compatible Tank Heights:
  • 18.5 cm: Supports 19–24 cm height water tanks
  • 21 cm: Supports 21–25 cm height water tanks
  • 25 cm: Supports 26–29 cm height water tanks
  • 29 cm: Supports 30–36 cm height water tanks
• Country of Origin: Made in China

Note: Please allow for minor measurement variations due to manual sizing and monitor display differences.

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Learn More About Water Conservation

Dual flush toilets are one of the most effective ways to reduce household water consumption. For more information on water-saving practices, visit the EPA WaterSense: Toilets resource page.

Frequently Asked Questions

Q: What toilet types is this dual flush valve compatible with?

A: This dual flush valve kit is designed for connected side toilet water tanks with an inlet diameter of 6.5–7.5 cm. It comes in four sizes (18.5 cm, 21 cm, 25 cm, and 29 cm) to accommodate tank heights ranging from 19 cm to 36 cm, making it compatible with a wide variety of standard two-piece toilets.

Q: Is this dual flush valve kit easy to install without a plumber?

A: Yes! This kit is designed for convenient DIY installation. The components are straightforward to fit, and no specialized tools are required. Simply select the correct size for your tank height and follow standard toilet cistern valve replacement steps.

Q: How does a dual flush valve help save water?

A: A dual flush valve gives you two flushing options — a reduced-volume flush for liquid waste and a full-volume flush for solid waste. This targeted approach uses only the water necessary for each flush, significantly reducing overall water consumption compared to a single-flush system.

Q: What material is the dual flush valve made from?

A: The valve is made from durable ABS (Acrylonitrile Butadiene Styrene) plastic, which is known for its strength, resistance to moisture, and long service life — making it ideal for use in toilet cistern environments.