ProSys® concealed cisterns
ProSys concealed cisterns are the perfect choice for installing with floor standing and back-to-wall bowls. All feature the Ideal Standard’s unique SmartValve water-saving inlet valve, which delays refill until flush valve is closed.

WC: Strada ll Concealed cistern: ProSys 120
Features and benefits
- 120 and 150mm depth options
- Pneumatic and Mechanical versions available
- Option of mechanical, pneumatic or electronic actuation
- Front or Top actuation on 150mm model (conversion kit required for top actuation)
- Fitted with anti-condensation lining
- Integrated isolation valve
- Wide range of matching flush plates for different actuation types
- Dual flush delivered pre-set at 6 / 4L
- Compatible with most floor mounted back to wall WC bowls and most wall hung bowls in conjunction with half frames
- Innovative SmartValve features save water
- Adheres to all relevant UK legislation
- WRAS approved inlet valve
- Classified to noise level 1, meeting EN14124
- Components are rated fire resistance class E120 conforming to EN13501-2:2016

ProSys 120 depth WC cistern, with front mechanical actuation
R031767
- Flush cistern to be installed inside a solid or cavity/stud wall
- Compatible with most floor mounted back to wall WC bowls and most wall hung bowls in conjunction with half frames
- Front actuation

ProSys 120 depth WC cistern, with front pneumatic actuation
R031867
- Flush cistern to be installed inside a solid or cavity/stud wall
- Compatible with most floor mounted back to wall WC bowls and most wall hung bowls in conjunction with half frames
- Front actuation

ProSys 150 depth WC cistern, with front or top mechanical actuation
R014267
- Flush cistern to be installed inside a solid or cavity/stud wall
- Compatible with most floor mounted back to wall WC bowls and most wall hung bowls in conjunction with half frames
- Front or top actuation

ProSys 150 depth WC cistern, with front or top pneumatic actuation
R031667
- Flush cistern to be installed inside a solid or cavity/stud wall
- Compatible with most floor mounted back to wall WC bowls and most wall hung bowls in conjunction with half frames
- Front or top actuation