Geberit Sigma, 980mmH x 120mmD, Frame & Concealed Cistern for Wall-Hung WC


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This lower height 980mmH Geberit Sigma Concealed Cistern is perfect for fitting under that bathroom window or in a lower part height pre-wall or partition wall installation, suited for quick and easy installation and for use with wall hung toilet pans with a projection up to 620mm.

Designed to last, Geberit Sigma frames incorporate tried and tested materials which will serve you for years to come. Installed over 60 million times, Geberit concealed cisterns represent the ultimate tried and tested solution.

This cistern & frame is equipped for installation requiring electrical connections. This means touchless flush plates, shower toilets, odour extraction units, and other devices can be installed or retro-fitted quickly and easily.

Known for their reliability, every single blow mold Geberit cistern is leak-tested before it is delivered. The 50-year guaranteed spare parts availability provides long-term security.

Reasons to Choose a Geberit Sigma Frame:

  • Strength-tested to bear a weight of up to 63 stone (400kg) when combined with Geberit ceramic wall hung toilets
  • Installed over 60 million times, Geberit concealed cisterns represent the ultimate tried-and-tested solution
  • Tool free maintenance
  • Geberit stock spare parts for 50 years for Sigma concealed cisterns
  • Every Geberit cistern is individually tested to guarantee water tightness
  • Acoustic solutions with the Duofix frame mean it’s all quiet behind the scenes
  • Compatible with over 100 Sigma flush plate finishes & styles & compatible with Geberit flush buttons
  • WRAS Approved

What’s Included:

  • Water supply connection Rp 1/2" - R 1/2", compatible with MF, with integrated angle stop valve and hand wheel
  • Protection box for service opening
  • 2 wall anchors
  • 2 fixing brackets
  • Connection set for WC, ø 90mm
  • Connection bend 90° made of PE-HD, ø 90mm
  • Adaptor socket made of PE-HD, ø 90 / 110mm
  • 2 protection plugs
  • 2 threaded rods M12
  • Fastening material


10 Years
Duofix Sigma
Lower Height Toilet Frame
Steel & Blow mold plastic
Frame Use
Wall Hung Toilet Pans

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