Super compact design

The Duo Compact is the most compact concealed cistern on the market suitable for both inwall and bathroom furniture installations. This allows you to save as much space as possible.

Delayed action inlet valve

The cistern features a delayed action inlet valve. This prevents the cistern from refilling until the water for the flush has been completely emptied out, meaning that no water is wasted when you flush.

Fully assembled

Installation shouldn't be a hassle. That's why this unit comes fully assembled, so you can get the job done in no time at all.

Dual flush valve

A dual flush cistern offers more control over the amount of water you use when you flush. The Duo Compact's dual flush valve features 6/4L or 4/2.6L options so you can choose the best flush for you.

Easy to maintain and service

The cistern has a front and top access panel, making it easier to service. In addition, it features a bottom entry water feed with an isolation valve that is internal to the cistern. This ensures maintenance is quick and simple because there's no need to remove the furniture unit.

Chrome button included

This cistern is accompanied by an attractive and versatile chrome button. The perfect finishing touch.

For total peace of mind

This concealed cistern comes with a fabulous 10-year guarantee so you can be confident in its quality and longevity.

Key Information

• Ultra-compact concealed cistern — ideal for space-saving bathroom installations
• Suitable for in-wall and furniture installations — versatile installation options
• Dual flush technology — helps reduce water consumption
• 6/4L or 4/2.6L flush settings — flexible water-saving performance
• Delayed action inlet valve — prevents unnecessary water wastage
• Fully assembled design — speeds up installation time
• Front and top access panels — easy servicing and maintenance
• Bottom entry water feed — neat and practical installation
• Internal isolation valve — simplifies future maintenance
• Chrome flush button included — stylish finishing touch
• Designed for modern concealed toilet systems — perfect for contemporary bathrooms
• 10-year guarantee — manufacturer-backed peace of mind

What's Included

• Wirquin Duo Compact Concealed Cistern - CDC53CP
• Chrome Flush Button
• Integrated Dual Flush Valve
• Internal Isolation Valve

The Wirquin Duo Compact Concealed Cistern has been designed to maximise space without compromising on performance. As one of the most compact concealed cisterns available, it's an excellent choice for modern bathrooms where every centimetre matters. Suitable for both in-wall and bathroom furniture installations, it provides a discreet and practical solution for contemporary toilets.

Super Compact Design

The compact dimensions make this cistern ideal for smaller bathrooms, cloakrooms, and en-suites, while still delivering powerful and reliable flushing performance. Its versatile design allows it to be installed behind furniture units or within wall cavities, helping create a cleaner and more streamlined bathroom appearance.

Water-Saving Dual Flush Technology

The integrated dual flush valve gives you greater control over water usage, allowing you to choose between larger and smaller flush volumes depending on your needs.

The cistern offers:

• 6L / 4L flush options
• 4L / 2.6L flush options

This flexibility helps reduce unnecessary water consumption while maintaining effective flushing performance.

Delayed Action Inlet Valve

Unlike conventional systems, the delayed action inlet valve waits until the flush cycle has fully completed before refilling the cistern. This prevents water entering the tank during the flush process, helping to minimise waste and improve overall efficiency.

Easy Installation and Maintenance

The Duo Compact arrives fully assembled, helping to reduce installation time and simplify fitting. Maintenance is equally straightforward thanks to the front and top access panels, which provide easy access to internal components when servicing is required.

The integrated internal isolation valve and bottom entry water feed make maintenance even easier, often eliminating the need to remove surrounding furniture during servicing.

Chrome Button Included

Supplied with a stylish chrome flush button, the Duo Compact provides a clean and modern finish that complements a wide range of bathroom styles.

Technical Information

• Product Type: Concealed Cistern
• Installation Type: In-Wall or Furniture Mounted
• Flush Type: Dual Flush
• Flush Volumes: 6/4L or 4/2.6L
• Water Feed: Bottom Entry
• Isolation Valve: Internal
• Access Panels: Front and Top
• Supplied Fully Assembled: Yes
• Flush Button Included: Yes (Chrome)
• Guarantee: 10 Years

The Wirquin Duo Compact Concealed Cistern combines space-saving design, water-saving technology, and simple maintenance, making it an ideal choice for modern bathrooms, contemporary toilets, and high-performance concealed cisterns installations.