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Ideal Standard ProSys Concealed Cistern

Available in multiple options to suit your toilet space. The ProSys series of concealed from Ideal Standard offers a reliable and flexible fitting option whether building into a wall or toilet unit. read more

Starting from £ 126.65 inc. VAT
Delivery (estimated)
  • 2 - 5 Days Subject To Stock
  • £34.95 delivery cost
  • find out more

Product Description

Intended to be paired with your choice of back-to-wall toilet. The Ideal Standard ProSys concealed cistern is packed with features to make installation easier. While quality materials ensure a long service life with little to no maintenance. Cisterns are available in depths of 120mm or 150mm. The latter offers the ability for top mounting (requires a conversion kit) of flush plates when fitted inside a toilet furniture unit. All cisterns include the necessary mounting hardware and flush pipes needed for a complete installation.


  • For installation inside the wall and in combination with floor standing sanitary single bowls
  • 120mm or 150 mm minimum thick
  • Built-in tank with front or top mechanical actuation, possible pneumatic or electronic transforming by kits available separately
  • Dual flush, pre-set for 6/3 L, simple adjustment to reduce full flush from 6 to 4,5/5,5 L
  • Reservoir in polypropylene (PP) very resistant and unalterable to thermal stresses, supplied with anti-condensation lining
  • SmartValve (saves up to 9 litres of water per day), CE marking EN 14055 CL1, silent valve according to the NF standard category Class I, tank 150 mm thickness, 3 water supply connections
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Need help?

If you're having trouble or would like help completing your order, you can call our expert team on 01622 580 200

Customer questions

What flush plate will work with this cistern?
Only Ideal Standard ProSys flush plates are compatible with this cistern.
What is the difference between mechanical and pneumatic operation?
These are simply different ways of flushing the toilet. Be sure to match the type of operation to the type of flush plate.
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Available variations