The Roca Duplo One Under Window Adjustable Concealed Cistern serves as an ideal companion for the seamless fitting and outstanding performance of a back to wall toilet.This impeccable back to wall cistern system achieves an ideal blend of space-efficient design and reliable functionality. With its compact size and compatibility with both solid and drywall structures, it is a superb option for installations in confined areas, like those situated beneath windows. Another notable feature of this cistern is an adjustable inlet pipe that extends up to 70mm, allowing for precise modifications based on the available space.A dual flush option of 6/3 litres is preset, giving users the chance to conserve water effectively. Additionally, the full insulation prevents condensation from accumulating, safeguarding surrounding structures against moisture damage.This purchase includes everything needed for professional installation, featuring a WC Connection Set with a comprehensive instruction manual, a fixing kit for secure floor and wall mounting, and a tiling set with protection caps and protection cubes for a perfect finish.Please Note: This system is compatible with Roca's Duplo One PL1, PL2, PL3, PL7 and PL10 toilet flush plates (sold separately). Please see the required products section.Minimum Fixation Depth: 140mm.1/2” water supply.Flow pressure ranges from 0.1 to 10 bar.Water Inlet Position: Lateral.DN90 (90 mm) elbow connection.

Last updated: 07/08/25

adjustable

concealed

One

under

window

Back to Wall Cisterns

Dual Flush Concealed Cisterns