Description
The Geberit Sigma8 Duofix In-Wall Cistern combines premium Swiss engineering with a heavy-duty support frame to create a complete concealed installation solution for modern wall-hung toilets. Designed to be installed within the wall cavity, the Sigma8 Duofix system creates a clean floating toilet appearance while maximizing bathroom space and simplifying floor cleaning.
Manufactured using a one-piece blow-moulded HDPE tank, the Sigma8 cistern offers exceptional durability and leak-proof performance. The integrated Duofix support frame has been tested to support loads of up to 400kg and complies with Australian Standard AS 1172.1, providing outstanding stability and reliability.
Compatible with all Mercio wall-hung pans and a wide range of Geberit Sigma flush buttons, the Sigma8 Duofix offers exceptional flexibility for both residential and commercial bathroom projects. With front-access servicing through the flush plate and water-efficient dual flush operation, it delivers long-term performance and convenience.
Specifications
| Brand | Geberit |
| Model | Sigma8 Duofix |
| Type | Concealed In-Wall Cistern with Frame |
| Flush Type | Mechanical Dual Flush |
| Flush Volume | 4.5L Full Flush / 3L Half Flush |
| Water Efficiency | WELS 4 Star |
| Tank Material | One-Piece Blow-Moulded HDPE |
| Construction | Impact Resistant & Leak-Proof |
| Installation Type | Wall-Hung Toilet System |
| Wall Requirement | Standard 90mm Wall Cavity |
| Toilet Compatibility | All Mercio Wall-Hung Toilet Pans |
| Trap Compatibility | Suitable for S-Trap & P-Trap Installations |
| Frame Capacity | Tested to 400kg |
| Compliance | AS 1172.1 |
| Flush Button Compatibility | Geberit Sigma Mechanical, Pneumatic & Electronic Flush Buttons |
| Service Access | Via Flush Plate Opening |
| Application | Residential & Commercial |
Package Includes
- Geberit Sigma8 Concealed Cistern
- Geberit Duofix Support Frame
- Mounting & Fixing Components
- Flush & Connection Components
- Installation Instructions
Note: Wall-hung toilet pan and flush button are sold separately.
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WELS CERTIFIED
You can rely on us, knowing our bathroom and kitchen range meets Australian Standards and Water Efficiency Labelling Scheme (WELS) requirements, ensuring quality and sustainability in every product.
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Fast Shipping
At EM, we provide fast and reliable shipping, so you can enjoy your purchases without the wait. Shop confidently, knowing your order will arrive quickly and hassle-free.
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Easy Returns
We make returns easy with our 30-day return policy, giving you peace of mind with every purchase. If you're not fully satisfied, simply return your item within 30 days for a smooth and stress-free process.
Why Choose Ezymall?
At Ezymall, we focus on combining quality, practicality, and modern design to make your home upgrades simple and reliable.
1. Fast Local Service (Sydney Based)
Order online and pick up within 24 hours from our Sydney warehouse.
Need installation? Our team can help.
2. Certified & Compliant
All products are WELS approved and meet Australian Standards, ensuring safety, quality, and water efficiency.
3. Warranty You Can Trust
We offer extended product warranties, plus labour warranty on selected mixers for added peace of mind.
4. Durable Brass Tapware
- Strong and long-lasting
- Resistant to corrosion and heat
- Naturally hygienic
- Available in modern finishes
A reliable and stylish choice for everyday use.
5. Premium 304 Stainless Steel
- Excellent corrosion resistance
- High durability
- Easy cleaning and hygiene
- Long lifespan and sustainability
Perfect for kitchens and bathrooms.