Save space
A cistern depth of just 8 cm: ideal when every centimetre matters in your project.
EDIFIS GROUP · Sanitary installation
WC frames &
concealed cisterns in Tunisia.
Concealed cisterns, flush plates and wall-hung WCs: explore Geberit solutions, product references and EDIFIS GROUP advice to build an installation suited to your project.
110.175.00.1Geberit reference8 cmShallow depthOne-piece HDPESeamless cistern body
GEBERIT · SWITZERLANDA reliable choice for what stays behind the wall.
A pioneer of concealed cisterns since 1964, Geberit combines Swiss expertise, seamless HDPE bodies and long-term access to functional spare parts.
1874Founded in Switzerland1964First Geberit concealed cistern
Choose according to the wall, dimensions and project.
Before closing the wallCheck connections and service access.Prepare the wall-hung WC installation and checks before cladding.
Plates and finishesCompare Geberit models.References, materials and functions to select the right plate for your cistern.
SWITZERLAND · SINCE 1874
01 — THE HEART OF THE WC SYSTEMThe 110.175.00.1:
View the Alpha 8 WC frame
The 110.175.00.1:
the reliable heart
of your wall-hung WC.
The 110.175.00.1 tank is blow-moulded in one piece from high-density polyethylene (HDPE), without welded seams. Its mechanisms remain accessible for servicing.
MATERIAL AT THE HEART OF THE SYSTEMOne-piece HDPE · seamless
High-density polyethylene cistern, blow-moulded in one piece.
8 cmcistern thickness
109 cmCombifix height
6 / 3 Lfactory setting
WHY GEBERIT?Over a century and a half
Over a century and a half
mastering water behind the walls.
- 1874Geberit founded in Rapperswil-Jona, Switzerland.
- 1964Launch of the first Geberit plastic concealed cistern.
- 1977Montagefix: the first Geberit installation system.
- TodayMillions of concealed cisterns installed and a commitment to functional spare parts.
02 — DESIGNED FOR MASONRYA reliable wall-hung WC
A reliable wall-hung WC
starts with a
solid base.
Combifix Alpha 8 cm combines a galvanised steel frame, a seamless HDPE cistern and anti-condensation insulation. Front service access keeps the mechanisms within reach after cladding.
- Factory setting: 6 / 3 litres
- Full flush adjustable to 4, 4.5, 6 or 7.5 litres
- Reduced flush adjustable from 2 to 4 litres
- Tool-free bend attachment from the front
You also get the service behind the productEDIFIS helps you select the set, confirm compatibility and obtain spare parts.
Design freely
Match your Alpha plate and wall-hung bowl to create a coordinated set.
Control the flush
Dual-flush operation lets you adapt the water volume to each use.
Get ongoing support
EDIFIS advice and support before purchase for a choice without unwelcome surprises.
03 — WHAT YOU REALLY BUILD INTO THE WALLDesigned for maintenance,
Designed for maintenance,
without opening the wall.
A wall-hung WC is more than a visible bowl. Behind the wall, the cistern, frame and mechanisms must work together reliably and remain serviceable.
Combifix Alpha 8 cm 110.175.00.1 is designed for masonry walls and full-height or partial-height prewall installation. EDIFIS confirms suitability before ordering.
A seamless, one-piece HDPE cistern.
The 110.175.00.1 tank is blow-moulded in one piece from high-density polyethylene (HDPE), without welded seams. Its mechanisms remain accessible for servicing.
Material and construction designed to last behind the wall.A frame suited to masonry.
The 110.175.00.1 includes four fixing brackets and a mesh support. It suits 8 or 12 cm masonry walls; the outlet bend is secured from the front without tools.
42 cm wide · 109 cm highFlush volume adjustable to your installation.
Factory setting: 6/3 litres. Full flush: 4, 4.5, 6 or 7.5 litres; reduced flush: 2–4 litres. The installer adjusts these volumes to suit the bowl.
Permitted dynamic pressure: 0.1–10 barMaintain it without breaking the wall.
The opening behind the Alpha flush plate gives access to the fill and flush mechanisms for adjustment and routine maintenance without opening the wall.
Front actuation · Alpha plate selected separatelyFunctional spare parts available over time.
Geberit states up to 50 years of availability for replaceable functional parts of concealed cisterns produced from 2023, with backwards-compatible flushing functions, excluding specific electronic functions.
View the Alpha 8 WC frame04 — ALPHA 8 CM SERVICE GUIDEDismantle, maintain,
Dismantle, maintain,
reassemble in the right order.
Follow the Alpha 8 cm demonstration video step by step: an ordered dismantling and reassembly guide for the installer.
Watch the demonstration video
Only service an Alpha 8 cm system matching the demonstration.
Always shut off the water and empty the cistern before removing a mechanism. If the plate, guides or parts do not match, stop: Sigma, Omega and other Alpha generations may require a different dismantling procedure.
01Alpha plate
Remove the dual-flush plate without levering.
02Protective box
Clipped cover of the service opening.
03Blue rods
Link between the plate and flush mechanism.
04Blue mechanism
Flush assembly locked into the cistern.
05White module
Fill valve and water supply.
06Integrated stop valve
Water shut-off accessible through the opening.
THE STEP-BY-STEP PROCEDURE
Careful dismantling
Access the mechanisms without damaging the plate, tiles or cistern seals.
- 01
Remove the Alpha plate
Hold the plate with both hands and release it without levering against the tiles. Disconnect the actuators behind it and place the plate on a clean surface.
Check: The plate is protected and the actuators are free of strain. - 02
Remove the protective box
Release the lower clips of the service opening box and pull it straight towards you to expose the blue and white components.
Check: Clips, guides and opening edges remain undamaged. - 03
Shut off the water and empty the tank
Close the built-in stop valve and operate the full flush. Wait until the tank is empty and place a cloth below the opening before touching the supply connection.
Check: Filling has stopped and the tank is empty. - 04
Disconnect and remove the fill valve
Disconnect the fill-valve supply hose by hand without twisting it. Unlock the white module as indicated by its guide and remove it through the service opening.
Check: The hose is free and untwisted; the seal stays clean. - 05
Release the actuator rods
Remove the blue rods from their guides. Record their position and adjustment; do not cut them or force the clips.
Check: The rods are intact and their positions recorded. - 06
Remove the flush mechanism
Lift and turn the blue mechanism to unlock it, then remove it straight through the opening. Never force the bottom seal.
Check: The seal, seat and locking tabs are clean and unmarked. - 07
Inspect before returning to service
Keep parts in removal order. Clean the sealing surfaces and replace damaged seals, clips or components before reassembly.
Check: Do not reuse any questionable component behind the wall.
BEFORE FINISHING THE SERVICETwo buttons, two flushes, no leaks, no continuous filling.
Reassembly is only complete after testing both flush volumes with the cistern full and the plate fitted.
05 — GEBERIT PERFORMANCEWhat you build into the wall
What you build into the wall
must last. For a very long time.
Once the wall is finished, true value is measured in watertightness, access to mechanisms and spare-part availability.
Seamless one-piece HDPE cistern
The 110.175.00.1 tank is blow-moulded in one piece from high-density polyethylene (HDPE), without welded seams. Its mechanisms remain accessible for servicing.
Rigorously tested watertightness
Geberit concealed cisterns undergo leak checks and long-term testing to uphold the brand’s reputation.
Galvanised steel frame
The Combifix 110.175.00.1 uses a robust frame for installation in front of a masonry wall and for securing a wall-hung WC.
Mechanisms always accessible
The opening behind the Alpha flush plate gives access to the fill and flush mechanisms for adjustment and routine maintenance without opening the wall.
of functional spare-part availability
Geberit states up to 50 years of availability for replaceable functional parts of concealed cisterns produced from 2023, with backwards-compatible flushing functions, excluding specific electronic functions.
test cycles
Geberit flushing systems are tested for at least 200,000 flush and refill cycles, stated to be equivalent to 50 years of use.
of experience behind the wall
Geberit has developed concealed cisterns for over six decades and installed millions worldwide.
where it matters
On the 110.175.00.1, the connection bend can be attached from the front without tools.
THE GEBERIT FILL VALVE
Quietness and reliability start with filling.
Geberit tests hydraulic performance and mechanism durability in the laboratory. Its fill valves combine controlled filling, precise adjustment and filtration designed to withstand impurities.
- Access through the service opening
- Settings suited to the flush volume
- Backward-compatible functional parts
Geberit states up to 50 years of availability for replaceable functional parts of concealed cisterns produced from 2023, with backwards-compatible flushing functions, excluding specific electronic functions.
06 — THE DETAIL THAT CHANGES EVERYTHING24 references.
24 references.
A real choice of finishes.
Alpha01 offers up to eight finishes: white, matt black, bright chrome, matt chrome, red gold, black chrome, brass and brushed PVD nickel. Alpha25 and Alpha50 add their own distinctive designs.
The one part you see every day
The plate is the contact point of a concealed WC. Geberit treats it as a design element, more than a simple button.
Dual flush, a choice of water use
Every Alpha plate controls dual flushing: simple, clear operation for everyday use.
A system designed to last
The plate is part of the Alpha system and provides access to the flush mechanisms for maintenance.
All Alpha plates shown have dual-flush controls; choose the design first, then the finish for your project.
Official Geberit plates for Alpha cisterns. Confirm the finishes shown and availability with EDIFIS.
07 — BUILD YOUR SETThree bowls.
Three bowls.
A simple choice.
Smyle Square, Premium Square or Selnova Square: choose according to your style, desired finish and budget.
A GEBERIT BOWL IS MORE THAN A SHAPE
A wall-hung WC frees the floor, makes the room look lighter and simplifies cleaning.
Rimfree technology removes the traditional flush rim, making surfaces more accessible for daily cleaning.
- Compatible with your Alpha WC frame
- Branded ceramics designed to last
- Three levels of style and finish
The design choice
Contemporary design
Geberit Smyle Square
A fully shrouded, rimless suspended WC with a soft square shape. Its Slim seat provides a clean finish, comfort and easy maintenance.
- Rimfree: easier cleaning without a flush rim
- Shrouded ceramic with concealed fixings
- Suitable for 6 / 5 / 4 litre flushing
Slim seat included
- Antibacterial Duroplast
- SoftClosing gentle closing
- QuickRelease: removable, lockable hinges
Bowl reference500.685.01.1
Premium finish
Premium finish
Geberit Premium Square Rimfree
Square suspended WC with concealed fixings and Rimfree technology. The removable SoftClosing seat makes cleaning easier and closes gently.
- Rimfree: easier cleaning without a flush rim
- Shrouded ceramic with concealed fixings
- Removable SoftClosing seat: comfort and easy cleaning
Seat included
- SoftClosing gentle closing
- Removable for easy cleaning
Bowl reference502.727.00.1
Bowl + recommended seat
Toilet seat 500.334.01.1
A practical choice
Geberit Selnova Square Rimfree
Selnova Square Rimfree offers a versatile square shape and rimless Geberit ceramic for easy everyday cleaning.
- Rimless Rimfree technology
- Sanitary ceramic, 18 cm fixing centres
- 6 / 4 litre flushing to EN 997
- Shown with the compatible seat
Compatible Slim seat — ref. 500.334.01.1
- Duroplast: a durable, pleasant surface
- SoftClosing gentle closing
- Top fixing · chrome-plated brass hinges
Bowl reference500.275.01.1
Compatible toilet seat500.334.01.1
08 — BEFORE ORDERINGClear answers.
Clear answers.
A confident choice.
Key questions to check before putting together your Alpha 8 set.
View the Alpha 8 WC frame8 cm is the cistern depth, not the finished wall thickness. Your installer determines the final wall build-up for your project.
The 110.175.00.1 tank is blow-moulded in one piece from high-density polyethylene (HDPE), without welded seams. Its mechanisms remain accessible for servicing.
The opening behind the Alpha flush plate gives access to the fill and flush mechanisms for adjustment and routine maintenance without opening the wall.
Combifix Alpha 8 cm 110.175.00.1 is designed for masonry walls and full-height or partial-height prewall installation. EDIFIS confirms suitability before ordering.
Choose a compatible Alpha plate and your preferred finish. EDIFIS checks the masonry wall, frame, plate and suspended WC together before ordering.
The bowl and flush settings must suit your installation. The Geberit combinations shown require compatibility confirmation before ordering.
Geberit states up to 50 years of availability for replaceable functional parts of concealed cisterns produced from 2023, with backwards-compatible flushing functions, excluding specific electronic functions.
09 — YOUR CONFIGURATIONYour set.
Your set.
Ready to take shape.
THE HEART OF THE SYSTEM
Geberit Alpha 8 cm
Ref. 110.175.00.1
SelectedYour selection is ready
Get the price, availability and confirmation of your configuration from the EDIFIS team.
No obligation · Personalised replyA project? A technical question?Make a confident choice.
Make a confident choice.
Talk to EDIFIS.
Our advisers help you check your set and prepare your order.
71 854 684