In-Wall Cisterns Australia | Lamex Bathrooms

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In-Wall Cisterns

Concealed cistern frames that install inside a stud or masonry wall, freeing floor space and pairing with a wall-hung or wall-faced pan.

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Nero R&T in-wall cistern only unit R&T low height in-wall cistern for wall hung toilet pan Geberit Alpha12 concealed cistern with Duofix frame for wall hung pan

Why choose In-Wall Cisterns from Lamex

  • Concealed inside the wall, so only the flush plate remains visible
  • Compatible with most standard wall-hung and wall-faced pans
  • Low-height frame options available for reduced wall cavity depth
  • Recognised brands including Geberit stocked alongside standard frames
  • Trade and retail pricing available
  • Dispatched from Australian stock

How to choose the right in-wall cistern

Frame height and depth are the first constraints to check. A standard-height frame needs a typical stud wall cavity, while a low-height frame suits bathrooms with reduced ceiling height or a cistern positioned under a window — measure your available wall cavity before choosing between the two. Also confirm whether the frame is designed for a wall-hung pan (which carries the pan's full load) or a wall-faced pan (which rests on the floor), since the two frame types are built differently and aren't always interchangeable.

Flush button and plate compatibility is brand and model specific, so check that the plate you want will actually fit the actuation mechanism on the cistern you're ordering, rather than assuming a universal fit. Plan the servicing access point at the same time: most in-wall cisterns are only reachable through the flush plate opening once the wall is tiled, so its position needs to be finalised before tiling begins. If you're matching an existing cistern brand for a repair or extension, check the specific model rather than assuming compatibility across brands.

Frequently asked questions

What's the difference between a standard and a low-height in-wall cistern?
A low-height frame is built shorter than a standard frame for bathrooms with reduced wall cavity or ceiling height, such as under a window or in a compact ensuite. Check the frame height against your available wall space.
Will any button or flush plate work with any in-wall cistern?
No. Flush buttons and plates are generally matched to a specific cistern brand and actuation mechanism, so check compatibility with the cistern model before choosing a plate finish.
How do I access an in-wall cistern for repairs after tiling?
Servicing is done through the flush plate opening or a dedicated access panel, which is why the plate or panel position must be planned and installed correctly before the wall is tiled over.
Can an in-wall cistern be installed in a masonry wall?
Yes, with a furred-out stud frame built in front of the masonry to create the cavity the cistern needs, rather than chasing directly into solid brick or block.

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13+ options in stock, ready to order online or in-showroom.

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