By Geberit.

The Geberit Concealed Floor Mounted Toilet Tank 109.304.00.5 modernizes your bathroom design by allowing the toilet to be floor-mounted in your daily bath space. Also known as an in-wall carrier, this system enables even the smallest of bathrooms to be arranged in luxury. Use with floor-mounted toilets.


  • Tank and carrier system for floor-mounted toilets
  • Concealed installation
  • Dual flush system 1.6/0.8 GPF (6/3 LPF), giving effective flush volume of 1.1 GPF (4 LPF)
  • Anti-siphon fill valve
  • Impact resistant high density polyethylene(HDPE) tank, insulated to prevent condensation
  • For finished walls up to 3.5" (9cm) thick
  • Medium inspection opening for flush actuator plates Sigma, Bolero, Samba, Mambo, Tango, Rumba
  • Includes installation and rough-in materials
  • Complies with the following standards/codes:
      • ASME: A112.19.5, A112.19.14
      • ANSI Z124.4
      • CSA B125.3
      • ANSI/ASSE 1002
      • IAPMO PS-50
      • UNAR / UNAR-HET
      • ASME A112.19.2
      • This concealed tank is WaterSense® compliant
  • 17.312" W X 4.75" D X 42.5" H
Metal, plastic
Manufacturer Information
Click to download specifications.
Dual-flush actuator sold separately.

View Manufacturer Warranty.

Item Number