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The Caroma Water Wafer Cistern was a popular pneumatic cistern around 15 to 20 years ago that was commonly installed for remote cistern set ups. Remote cistern set ups are when the cistern is installed away from the toilet, for example, in the ceiling, up higher above the wall and to the side of the toilet. To identify if you have a Water Wafer cistern, the first thing to do is check the toilet push plate. The push plate, should be satin stainless steel, with a screw in each corner and round buttons (pictured below). Unfortunately, you can’t get this plate anymore but we can provide a retrofit plate that is much larger but will still work. Below are two pictures, which should help identify if you have a Water Wafer cistern. After this, you can then decide which parts you want to replace, depending on the issue.

This is what the toilet push plate looks like

For plumbers, this is what the cistern looks like.

Common replacement parts

The most common parts to replace are the outlet valve seal (for water continuing to run in the pan), the pneumatic mechanism, the inlet valve (if it is over filling or hissing) and the button seal kit (if the buttons are becoming difficult to press).

Other less common parts purchased

What do I need, if I want to replace the cistern?

This is a good question, as the cistern has not been made for 15-20 years. Our best option is to replace the the cistern with a Valsir Tropea 2 Pneumatic Cistern, with a 2m hose extension and a Valsir Push plate that ensures you can fix the plate securely to the tiles.

We try to stock all required parts, if you are still unsure of what you need, you can always email us at sales@sydneybathroomware.com.au