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Grohe Dual Flush Concealed Cistern WC - 38661000

Special Price £121.56 Regular Price £221.03 Save: £ 99.47
5 Years

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.


Price Promise

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.

The web address of the competitor (sorry, no auction sites).

Please take note of the following:

  • Price match includes the competitor's delivery price.
  • The product on any competitor's site has to be identical to the product on our site.
  • The product must be in stock with the competitor and available for delivery within 48 hours.
  • Price match is valid on the day you order.
  • The match needs to be verified by one of our agents – just call 0116 274 4059
  • The offer is not transferable.
  • Unfortunately, we are unable to offer price matching for products purchased on finance or if you have used a discount code.
  • All products must be from UK suppliers with UK guarantees.  We are unable to match non-UK websites which deliver into the UK.
  • We are unable to price match internet-only companies which do not have showrooms where you can view products.
  • Sorry, no price matching to any auction sites or products sold on Amazon.
  • Call our Sales Team on 0116 274 4059

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


GROHE - Manufacturer´s Guarantee

GROHE products are designed to be both visionary and innovative with quality always guaranteed. Purchasing GROHE products means your investment is perfectly balanced in terms of quality, technology and design with sustainable production.


GROHE shall grant guarantee services to the end consumer in accordance with the terms and conditions set forth below for all products supplied to the end customer under the GROHE brand, which are tagged as products to which the Grohe 2 years plus Manufacturer´s Guarantee is applicable.

Grohe 2 Years Guarantee


GROHE shall grant guarantee services to the end consumer in accordance with the terms and conditions set forth below for all products supplied to the end customer under the GROHE brand, which are tagged as products to which the GROHE Manufacturer´s 5-year Guarantee is applicable.

Grohe 5 Years Guarantee

Grohe Dual Flush Concealed Cistern WC - 38661000

Make your bathroom more user friendly by installing the Grohe Concealed cistern that has excellent features and pure designing. It is DIN approved and is insulated against condensation. The non-interruptible flush cycle adds value to it. The minimum level of static pressure required to operate the concealed cistern is 0.2bar. It is available without air buttons and the setting of the flush can be done to 4.5 litres and it is not reversible. The dual flush enhances its performance and makes it a comfortable choice for your bathroom. The rubber inlet pan connector is also added into its features. The connection is available from left, right, back, or top. You will not have to use any tool for its installation.


  • Grohe Dual Flush Concealed Cistern WC
  • WC concealed cistern
  • Adjustment ex factory 6 l and 3 l
  • With small maintenance access
  • Pneumatic discharge valve offering 3 modes of operation:
  • Dual flush or start/stop or non-interruptible
  • Connection from left/right/back or top
  • GROHE EcoJoy®technology for less water
  • Low noise (group I acc. to German Noise Specification)
  • For more flexibility in push button position
  • Insulated against condensation
  • DIN approved
  • ½" water supply connection including integrated
  • Angle valve and push fit flexible hose union
  • No tools required for the installation
  • Of the inspection shaft incl. protection
  • Fixing brackets
  • GROHE EcoJoy® technology for less water and perfect flow
  • During construction phase, for vertical or horizontal use flush pipe insulated against condensation

Please Note

  • Image for illustration purpose only
  • Lead time on products may vary, we aim to deliver within the time scale. If however the item is out of stock, you will be notified within 2 working days.

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