The contemporary bathroom space is becoming smarter, easier to clean, and more streamlined in its approach to everyday routines, thanks to innovative flush plates and minimalist installation systems. The wall-hung toilet is a product that reflects these new standards. Suspended above the floor, elegant and unencumbered, wall-hung toilets create a sense of visual lightness. The floor beneath them is empty, making spaces feel larger and considerably easier to maintain. But what makes a wall-hung toilet work — what truly holds it together, supports it, and enables it to operate seamlessly each day — is a well-designed installation system with concealed cisterns, which remains entirely out of sight yet central to modern bathroom trends.

The foundation behind the wall

When you don’t see it, you don’t even think about it. It’s innovative yet also seems so clear. A concealed cistern, housed within a slim, innovative installation frame anchored directly into the wall, forms the invisible backbone of the entire wall-hung toilet setup and exemplifies minimalist bathroom design. Duplo S is a quick and easy installation system with dual flush technology, engineered to carry significant weight while providing absolute stability and long-lasting durability for years of daily use in the modern bathroom. Like Duplo One, it functions with all Roca wall-hung toilets, including smart toilets. The cistern sits within the frame, connected and sealed, ready to work quietly and consistently without ever announcing itself.

Designed with an inlet pipe, Duplo One’s compact cistern is useful for smaller bathrooms that have less wall space. What doesn’t need to be seen and used gets hidden in the way. What reaches the surface, serving as the user’s main contact point with the entire installation, is the modest yet impactful flush plate — a key element of elegant bathroom accessories that combines form and function.

Ona wall-hung Roca Rimless® toilet with Duplo One dual flush installation system and PL7 Dual flush plate in matt black

The Gap Round Roca Rimless® compact wall-hung toilet features Duplo S Compact dual flush installation system and PS1 dual flush plate in white for Roca Duplo S installation systems. Nearby. is The Gap compact base unit with two-drawers in city oak finish with Cala basin faucet in chrome.

The flush plate as elegant interface

One of the main reasons wall-hung toilets are increasingly popular is the clever, design-forward approach of modern flush plates, which blend seamlessly with compact bathroom solutions and minimalist aesthetics. It seems surprising at first but the addition of a PS or PL flush plate, this small geometric form: square, round or rectangular, enhances the bathroom’s overall style. In area, it is modest; in presence, it is significant. Positioned at eye level or within easy reach, it is the sole visual representative of everything working behind the wall. As such, it carries a responsibility that belies its size: it must function flawlessly, every time, while also belonging to the bathroom as a considered design element rather than an afterthought.

PS and PL flush plates can continue the colour and texture of a bathroom space through their different finishes and shapes. Pair your brushed brass Ona basin faucet with a brushed brass PS4 plate or complement the rounded form of your Inspira wall hung Roca Rimless® toilet with the PS3 rounded dual-flush plate.

A single flush plate can completely shift the character of a bathroom, tying together faucets, accessories, installation systems, and finishes into a cohesive and elegant design. The architectural shape of the Tura wall-hung toilet complements the square form of the PS1 dual flush plate. Matt black PL flush plates combine seamlessly with matt black accessories including toilet roll holder, toilet brush and robe hooks. Whether concrete, marble, matt white or slate, each finish on a flush plate is capable of anchoring or accenting a bathroom layout.

Designed for high-volume areas such as public bathrooms, the PL10 Pro flush plate offers a vandal-proof stainless-steel finish, ensuring durability and security while maintaining energy efficient bathroom performance. Form and function share the same small surface, and the balance between them is what distinguishes a well-specified bathroom from a merely functional one.

Meridian wall-hung Roca Rimless® Vortex toilet with PS3 dual flush plate in matt white and Allegro wall-mounted matt white toilet brush and toilet roll

Ona compact wall-hung Roca Rimless® toilet in matt black with Duplo S installation system and PS3 dual flush plate in black ceramic with button in stainless steel. Hotels wall-mounted toilet roll holder and wall-mounted toilet brush in matt black

Inspira Round wall-hung Roca Rimless® toilet with Duplo S installation system and PS4 dual front panel in black glass with push button in rose gold. Tempo wall-hung toilet brush and toilet roll holder with cover in titanium black

Multiclean® M4-Square shape with heated seat and PS2 dual flush plate in matt black

Inspira Round compact wall-hung Roca Rimless® toilet in white with PS1 dual flush operating plate for Roca S installation systems in white

Ona compact wall-hung Roca Rimless® toilet in matt black with PS4 dual flush plate in brushed brass pairs with Ona’s base unit with two-drawers in dark elm with Fineceramic® basin, Ona basin faucet in brushed brass and Luna’s rectangular mirror with perimeter lighting

Energy efficient and sophisticated

Dual-flush technology, now standard in modern concealed cistern systems, offers substantial water savings, making energy efficient bathrooms easy to achieve without any conscious effort from the user. The choice between a full and reduced flush is built into the plate itself, presented clearly and operated simply. Over time and across thousands of uses, the cumulative effect is a genuine contribution to responsible consumption, comfort and environmental consideration working in quiet alignment.

PL10 Pro vandal proof stainless steel dual flush plate

Duplo One built-in structure with dual flush cistern for wall-hung toilets

Built to last

A bathroom is one of the most used rooms in any home, and the systems within it need to reflect that reality. Concealed cisterns for wall-hung toilets are built to withstand decades of use; the materials specified for flush plates are chosen for their resistance to humidity, cleaning products and the passage of time. The best installations are those that continue to perform as reliably in their fifteenth year as they did in their first. The best bathrooms don’t reveal how they work — they simply function, utilizing precision engineering in concealed cisterns and wall-hung toilet installation systems for a seamless, stylish user experience. Behind the wall, precision engineering supports the clean, effortless experience we enjoy every day.

Related products

Meridian

New

Wall-hung Roca Rimless® Vortex WC

Ref: A346747620

540 x 360 x 420