48mm Dual Flush Toilet Push Button | WC Tank Replacement

48mm Dual Flush Toilet Push Button – Easy WC Tank Replacement

Restore your toilet's flush function quickly and affordably with this 48mm Double Flush Toilet Push Button. Made from high-quality, durable plastic, this replacement button fits most standard dual-flush WC cistern lids with hole openings between 48mm and 55mm. Whether you're doing a quick bathroom fix-up or a full DIY renovation, this button installs in minutes — no plumber required.

Key Features

• Premium High-Quality Plastic – Built to outlast cheaper alternatives with a rated lifespan of 50,000+ hours of use.
• Dual Flush Design – Separate full and half-flush options help conserve water with every use.
• Adjustable Torsion Bar – The 10cm torsion bar can be shortened or extended to suit your specific cistern depth.
• Wide Compatibility – Fits cistern lid holes between 48mm and 55mm in diameter, compatible with most standard dual-flush toilets.
• Simple Installation – Straightforward design makes it easy to remove the old button and snap this one in place — a genuine DIY-friendly fix.
• Factory Tested – Each unit is professionally assembled and tested before shipping, ensuring reliable performance right out of the box.
• 2-Year Warranty – Backed by a 2-year manufacturer warranty for peace of mind.
• White Finish – Neutral white colour suits most bathroom styles and cistern covers.

Specifications

Installation Tips

1. Measure the hole on your toilet cistern lid — confirm it falls within 48mm to 55mm.
2. Remove the old button by twisting or unclipping it from the cistern lid.
3. Adjust the torsion bar length to match your cistern's internal depth.
4. Insert the new button and secure by twisting clockwise until snug.
5. Test both flush functions to confirm correct operation.

For guidance on water-efficient toilets and dual-flush systems, the U.S. EPA WaterSense program offers helpful resources on water-saving fixtures for your home.

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Learn more: Dual flush toilet

Frequently Asked Questions

Q: What cistern lid hole size does this 48mm toilet flush button fit?

A: This dual flush push button is designed to fit cistern lid holes with a diameter between 48mm and 55mm. The button's screw diameter is approximately 48mm, making it compatible with most standard dual-flush toilet cisterns within that range. Always measure your existing hole before purchasing.

Q: Is the torsion bar adjustable to fit different cistern depths?

A: Yes! The torsion bar has a total length of 10cm and can be shortened or extended to suit different cistern internal depths. This makes the button versatile and compatible with a wider range of WC tank configurations.

Q: How long does this toilet push button last?

A: The button is rated for 50,000+ hours of operation and is backed by a 2-year warranty. Each unit is factory-tested before shipping, so you can be confident in its durability and reliability.

Q: Is this button easy to install without professional help?

A: Absolutely. This replacement flush button is designed with a simple structure for straightforward DIY installation. No special tools are required — just measure your cistern lid hole, adjust the torsion bar if needed, and click the button into place.