The reliable heart of your modern bathroom. The SONAS Concealed Cistern is the professional choice for creating a sleek, minimalist look in any bathroom or cloakroom. Specifically designed for use with back-to-wall toilet pans and furniture units, this cistern is hidden from view, leaving only your choice of stylish flush plate visible. Its universal design makes it compatible with a wide range of furniture brands and stud-wall installations.

Flexibility is built-in. The cistern features a dual-flush valve that is easily adjustable between 6/4L or 3/6L, helping you save water without compromising on performance. Uniquely designed for both front and top operation, it can be installed in a variety of heights and furniture depths. Built from high-density, impact-resistant plastic, this unit is engineered for quiet filling and long-term leak-free operation.

Key Features

• Universal Compatibility: Designed to work perfectly with all standard Back-to-Wall WC pans.

• Flexible Operation: Suitable for both front and top-mounted flush plate installations.

• Dual Flush Technology: Adjustable 3/6L flush valve to optimize water efficiency.

• Compact Slimline Design: Ideal for installations within bathroom furniture or narrow stud walls.

• Quiet-Fill Valve: Engineered to minimize noise during the refill cycle.

Technical Specs

• Width: 582mm

• Height: 510mm

• Depth: 145mm - 200mm (Adjustable)

• Flush Volume: 6/4L (Adjustable to 3/6L)

• Inlet Position: Side entry

• Guarantee: 2 Years

Norbreck Expert/Design Tip

"The Unit Essential" — If you’re buying a back-to-wall furniture unit, this is the cistern you need. Expert Tip: The fact that this cistern can be accessed from either the top or the front is a lifesaver for maintenance. Always ensure your installer leaves the top lid of your furniture unit removable!

The perfect finish for the modern bathroom. The SONAS Urban Dual Flush Plate is more than just a functional component—it is the signature touch for your concealed toilet system. Designed with a clean, rectangular silhouette and tactile mechanical buttons, the Urban plate brings architectural precision to your wall-hung or back-to-wall WC setup. Available in a spectrum of contemporary finishes, it allows you to coordinate your flush plate perfectly with your taps, showers, and accessories.

Engineered for longevity and a premium feel, the Urban plate features a high-grade ABS construction and a smooth mechanical actuation that provides instant feedback with every flush. The dual-button design provides a clear choice between a water-saving half flush and a full high-performance flush. Whether you are creating a bold monochrome look with Matt Black or a warm, luxury feel with Brushed Gold (PVD), the Urban series ensures your bathroom's finishing details are as impressive as the furniture itself.

Key Features

• Architectural Silhouette: Sleek rectangular design with contemporary dual-flush buttons.

• Premium PVD Finishes: Brushed Gold and Nickel finishes utilize PVD technology for superior scratch and wear resistance.

   

• Tactile Mechanical Actuation: Provides a robust, reliable feel compared to pneumatic alternatives.

• Universal Concealed Fit: Compatible with Sonas concealed cistern models for front or top operation.

   

• Complete Installation Kit: Supplied with all necessary mounting frames and adjustable actuator rods.

   

Technical Specs

• Dimensions: 210mm (W) x 138mm (H) x 10mm (D)

   

• Material: High-grade ABS

   

• Installation: Suitable for front or top mounting (cistern dependent)

   

• Guarantee: 2 Years

   

Norbreck Expert/Design Tip

"The Cohesion Key" — Most people overlook the flush plate until the very end, but it’s the one item you touch every single day. Expert Tip: If you’re going for a boutique hotel look, match your flush plate finish exactly to your basin tap. The Brushed Gold version is a perfect match for the SONAS Urban and Scope brassware ranges.

A stainless steel bolt through kit, for connecting toilet cistern to bowl, includes two bolts, conical washers, washers and wing nuts.

The Skylo bottom entry fill valve is small and compact, allowing it to fit in a variety of different cistern sizes. It has a delayed fill and a float shield meaning it can squeeze into the tightest cisterns. It can adjust in height from 8" to 12". 

• Compact
• Telescopic
• Water Saving Delayed Fill
• Quiet Fill
• Heavy Duty Brass Threads
• Supplied With Double Check Filter

A universal slimline concealed cistern complete with universal float valve which can switch between bottom or side entry. The kit also contains a water saving dual flush valve with a 570mm cable, blanking plugs, flush pipe and flush cone. 

• Compact Cistern
• Supplied with Dual Entry Fill Valve
• Easy Install Mounting Bracket
• Easy Twist & Remove Dual Flush Valve
• Water Saving Adjustable Flushing Volumes
• Flushpipe, Fittings & Pan Seal All Included

This traditional toilet syphon easily adjusts from 7.5" - 9.5” in height to allow it to fit in most toilets. Its internal overflow means you don’t need to worry about your bathroom flooding, and the dual flush function and multiple flushing volumes gives you greater control over your water.

• Adjustable Height from 7.5" - 9.5” 
• Dual Flush
• Multiple Full Flush Volumes
• Internal Overflow

A compact cable operated flush valve, that can cater for both 11/2" and 2" outlet sizes. It has fully adjustable dual flush volumes, an adjustable internal overflow and an easy to fit uni-button allowing quick access to a cistern for maintenance purposes.

• Long Cable
• Dual Flush
• Supplied with Universal Cradles
• Adjustable Flushing Volumes
• Internal Adjustable Overflow

A revolutionary dual entry toilet fill valve that can easily switch between a bottom or side entry valve. No need to worry about those tight spaces either as the float can rotate 180 degrees. It's also kitted out with a delayed fill, lowering water bills and keeping your cistern eco-friendly.

• Bottom or Side Entry
• Supplied with 1/2" (UK) & 3/8" (Euro) Threads
• Water Saving Delayed Fill
• 180 Degree Rotation Float
• Telescopic
• Quiet Fill
• Heavy Duty Brass Threads
• Supplied With Double Check Filter

Replacement seal washer for Skylo Flush Valves.

The Ultra 20 flush plate is a sleek and functional flush plate designed for use with the Skylo Ultra Wall Hung Frame featuring a minimalist and modern design that seamlessly blends with any bathroom decor.

• Gloss Chrome finish
• Dual Flush plate
• Quick release for easy access to Cistern Fittings

A complete spare seal and diaphragm washer kit for all Skylo cistern fittings. This includes a replacement flush valve seal (SKY095) and both fill valve diaphragm washers (UNI/SD & PP00/D)

Introducing the slimmest wall hung toilet frame on the market! This ultra-sleek design is perfect for creating a modern space-saving look in your bathroom. The height adjustable feet provide flexibility when installing, while the single powder coated solid steel construction ensures superior durability and strength.

• 75mm Slim
• 400mm Wide
• Height adjustable from 1140mm – 1350mm
• Suitable for depths up to 150mm
• Quick Snap In Fixing Bolts
• Comes with Air Gap Fill Valve
• Powder Coated Finish

A complete wall hung frame drain connector kit suitable for an angled outlet. Wc connector and flush pipe can both be cut to suit.

• Plain end WC connector
• Angled outlet connector
• Soil pipe connector
• Flush pipe with flush cone
• Drain & flush pipe caps

A complete wall hung frame drain connector kit suitable for a horizontal outlet. Wc connector and flush pipe can both be cut to suit.

• Plain end WC connector
• Straight outlet connector
• Flush pipe with flush cone
• Drain & flush pipe caps

A complete cistern component pack supplied with a heavy duty brass tail bottom entry toilet fill valve. The dual flush valve is suitable for both 1½" & 2" cisterns and comes with a universal button for cistern lid holes 20mm - 60mm. This pack will give your toilet a complete eco-friendly delayed fill and is also supplied with a stainless steel bolt through kit and a foam washer.

• Bottom Entry
• Dual Flush
• Universal Button
• Water Saving Delayed Fill
• Heavy Duty Brass Threads
• Complete with Accessories

The Ultra10 flush plate is a sleek and functional flush plate designed for use with the Skylo Ultra Wall Hung Frame featuring a minimalist and modern design that seamlessly blends with any bathroom decor.

• Gloss Chrome finish
• Dual Flush plate
• Quick release for easy access to Cistern Fittings