Exposed cistern CRYSTAL DUO, white

Our exposed flushing cisterns are suitable for both new construction and renovations. They come in various styles, materials, designs, colors, and installation types to meet specific requirements.
All of our products are manufactured in compliance with EU regulations and come with a 10-year warranty (excluding rubber parts and electronics), along with a 25-year guarantee of spare parts availability. 

Product number: 7030423800
EAN: 8711778216433


  • Exposed flushing cistern
  • Wall installation
  • Suitable for low installation
  • Dual flushing
  • 3/6 l flushing volume
  • Possibility to connect the water supply: left, right or rear centre
  • Insulated against condensation
  • Colour: white
  • Special features
  • Flushing system in the centre
  • Silent hydraulic filling valve
  • Flexible connecting tube
  • Flushing pipe 270 x 220 mm, Ø 50/44 mm
  • Supplied parts for installation of the flushing cistern

Adjustable flushing water quantity: Yes
Colour: White
Depth: 130 mm
Filling valve noise class: Group I, <=20 dB(A)
Flushing: Two quantities
Flushing water quantity: 3 to 9 l
Height: 431 mm
KIWA certified: Yes
Material flushing reservoir: Plastic
Material quality: Other
Operation: Push button
Outer pipe diameter reservoir side flushing bend: 50 mm
Outer pipe diameter tap water: 16.66 mm
Reservoir position: Low
Series: CRYSTAL
Size of tap water connection: 3/8 inch
Sound class according to EN ISO 3822: Group I, <=20 dB(A)
Suitable for close coupled toilet: No
Suitable for electrical operation: No
Suitable for manual operation: Yes
Suitable for pneumatic operation: No
Tap water connection: External thread
Warranty: 10 years
Water connection, bottom: No
Water connection, left: Yes
Water connection, rear: Yes
Water connection, right: Yes
Water connection, top: No
Width: 453 mm
With anti-condensation insulation: Yes
With flushing bend: Yes
With stop valve: No

Product number: Description Image
8035432795 Fill valve HVK G 3/8 brass shank
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8035390111 Rubber gasket for DF 3/6 l
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8050800078 Holder (screw and insert) with flush pipe gasket
8050410901 Cistern cover with a function buttons, white
8050390127 Support
8050882382 Rosette, white
8050883750 Closing cap, cisterns W600/W1000, AP270, Crystal/Crystal Duo, white
8050882430 Flush pipe rosette, white
674830 Pipe for low installation flushing cistern set, 325 x 220 mm
8050985530 WC Flush pipe connector seal No. 101
1403987112 Angle valve G 1/2
8050110101 Flush pipe elbow, 230 x 210 mm, white
1405987118 Copper connection pipe
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