Dual Flush Toilet Cistern Valve Set – Leak-Proof Fill & Drain
Dual Flush Toilet Cistern Valve Set – Leak-Proof, Water-Saving & Long-Lasting
Keep your toilet running efficiently with this complete Dual Flush Toilet Cistern Valve Set. Designed for one-piece toilets, this kit includes both an inlet fill valve and a dual flush drain valve — everything you need for a smooth, leak-free flush system. Made from high-quality ABS plastic, it's built to resist corrosion, withstand daily use, and deliver consistent, water-saving performance.
Product Specifications
- Material: High-quality ABS Plastic
- Color: White & Blue
- Inlet Diameter: 6.5–7.5 cm (all sizes)
- Package Includes: 1 x Toilet Inlet Valve + 1 x Dual Flush Cistern Drain Valve
- Electricity Required: No – completely electricity-free operation
- Made in: Mainland China
Available Sizes
- 18.5 cm: Supports water tanks 19–24 cm in height
- 21 cm: Supports water tanks 21–25 cm in height
- 25 cm: Supports water tanks 26–29 cm in height
- 29 cm: Supports water tanks 30–36 cm in height
Key Features
- ✅ Dual Flush Design: Choose between a full or half flush to save water and reduce your utility bills
- ✅ Premium ABS Construction: Sturdy, corrosion-resistant plastic for lasting durability
- ✅ High-Density Sealing Rubber Ring: Excellent elasticity, resists aging, and ensures a leak-proof seal
- ✅ Hook Lock Mechanism: Strong locking action prevents loosening and breakage over time
- ✅ Multiple Sizes Available: Fits a wide range of one-piece toilet cistern heights
- ✅ Eco-Friendly & Water-Saving: Helps conserve water with every flush
- ✅ Easy Installation: No tools or electricity required — straightforward angle-style fitting
Why Upgrade Your Cistern Valve?
A worn or faulty cistern valve can lead to constant running water, wasted water, and higher bills. This replacement set restores full cistern functionality with a tight seal and reliable dual-flush control. Whether you're doing a routine upgrade or replacing a failing component, this valve set is a cost-effective and eco-conscious solution for your bathroom.
For tips on water conservation at home, visit the EPA WaterSense Program — a trusted resource for water-efficient products and practices.
Frequently Asked Questions
Q: What toilets is this dual flush cistern valve set compatible with?
A: This valve set is designed for one-piece toilets with cistern heights ranging from 19 cm to 36 cm depending on the size you choose. The inlet diameter compatibility is 6.5–7.5 cm across all sizes, making it suitable for a wide variety of standard one-piece toilet cisterns.
Q: Does this toilet fill and drain valve set require any special tools to install?
A: No special tools are required. The dual flush cistern valve set is designed for straightforward DIY installation. It is completely electricity-free, using a simple angle-structure fitting for easy setup. Always turn off the water supply before beginning installation.
Q: How do I choose the right size cistern valve for my toilet?
A: Measure the interior height of your toilet water tank (cistern). Then select the valve size that corresponds to your tank height: 18.5 cm for 19–24 cm tanks, 21 cm for 21–25 cm tanks, 25 cm for 26–29 cm tanks, or 29 cm for 30–36 cm tanks. If you're unsure, measure twice before ordering.
Q: Will this valve help reduce water usage?
A: Yes! The dual flush mechanism lets you select a partial or full flush, which significantly reduces water consumption compared to a standard single-flush valve. This makes it an environmentally friendly choice that can help lower your household water usage over time.