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Geberit Sigma Concealed Dual Flush Cistern - 109.309.00.5

Special Price £109.48 Regular Price £199.02 Save: £ 89.54
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Please note, delivery times quoted are approximate. We will try our best to deliver within the time indicated however there may be ocassions where delays are out of our hands. Please do not book your installer until AFTER you have received and checked your order. Any costs you may incur due to delivery days will be at your risk. For some products we may be able to offer a quicker delivery service with an additional charge. To find out more, please call our sales team on 0116 274 4059.


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At Banyo we check our prices regularly, and this is why if you have any product at a lower price elsewhere, we'll do our best to beat it.

Here's what you need to let us know:
The product number and the price of the item you're interested in.

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Please take note of the following:

  • Price match includes the competitor's delivery price.
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  • Unfortunately, we are unable to offer price matching for products purchased on finance or if you have used a discount code.
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  • Call our Sales Team on 0116 274 4059

Monday - Saturday  9am to 6pm Or email us at [email protected]


Manufacturers Product and Spares Guarantee - END USER WARRANTY INFORMATION

When designing a new bathroom, you want products which you can trust. With over 125 years worth of experience, brand leading Geberit products are renowned for high quality, longevity and reliability ensure they will continue to fulfil their function for decades to come.

  • Washroom and Bathroom Systems 1 year warranty against failure due to manufacturing defects
  • Washroom and Bathroom Systems 2 year warranty on electronics
  • 25 years spare part availability guarantee
  • 1 year additional warranty for Sigma80


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Geberit Sigma Concealed Dual Flush Cistern - 109.309.00.5

Geberit the leading brand name in manufacturing superior and eye-catching sanitarywares and bathroom accessories now offers the highly functional and long-lasting Geberit Sigma Concealed Cistern. This concealed dual flush cistern with its white finishing will become a remarkable addition to your bathroom when you want to save the water consumption at maximum level. The well-developed dual flush technology together with the exceptional longevity, used in crafting this dual flush cistern make it the best value for your money. This geberit cistern has maximum 570mm width and comes with flush pipe of 45mm including a fastening for flush bend, a protection plug for flush pipe, slotted flat irons, fastening brackets pre-mounted and fastening material.

Application Purpose

  • For concealed installation
  • For back to wall floor-standing WCs


  • Concealed cistern fully insulated against condensation
  • Front actuation only
  • Protection cover for service opening can be mounted without tools and cut to length
  • Dual flush with Sigma80 touchless, Sigma60, Sigma 50, Sigma 20, Sigma 10 touchless, Sigma 01 or Bolero flush plates
  • Dual flush with pneumatic buttons
  • Single flush with Sigma 10 or Tango flush plates
  • Single flush with touchless flush or pneumatic buttons
  • Water supply connection at centre back or at the top
  • Flush bend has maximum 8 cm adjustment. Flush can be cut down by maximum of 8 cm
  • Installation height 1080 mm (can be cut down, depending on the WC pan performance)
  • Minimum install height 950 mm
  • Fastening bracket adjustable in depth
  • Cistern can be reversed to give access from behind in a duct situation when flushed with pneumatic buttons or touchless flush
  • Flush valve features 6 l and 4.5 l flush settings to enable either a 6 l and 3 l flush or a 4.5 l and 3 l flush. Note: must be used with pans designed for low volume flush.
  • The cistern can be operated with used water (rainwater) provided it is passed through a filter system first

Technical data

  • Flow pressure range : 0.1-10 bar
  • Operating temperature water max. : 25 °C
  • Flush volume factory setting : 5.8 and 3 l
  • Flush volume small range : 2.6-4 l

Scope of delivery

  • Water supply connection R 1/2" male BSP parallel thread with integrated angle stop valve
  • Protection housing for service opening
  • >Flush pipe ø 45 mm
  • Fastening for flush bend
  • Protection plug for flush pipe
  • 2 slotted flat irons
  • 2 fastening brackets, pre-mounted
  • Fastening material


    • Flush plate

    Please Note

    • Images are for illustrative purposes

    Lead times on products may vary, we do though aim to deliver within the timescale quoted. It is important that you do not book your installer before you have taken delivery of the item and have checked that it is free from damage. We will not be responsible for any charges incurred for the cancellation of installers.

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