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One-piece Water Closet


  • Length: 29 5/16 inch
  • Width: 15 15/16 inch
  • Height: 28 12/16 inch


  • Flushing system: Siphonic

  • Installation type: Floorstanding


  • 000 standard option 127.6 Lb

Colours and finishes

  • 000
  • 400
    White with LCC (Laufen Clean Coat)

Mounting accessories included

  • WC Seat with cover, soft lowering system, part nr. 892971 Lateral cover plates for fixing, part nr. 890974 Water Closet Tank fittings


  • One-piece Water Closet ALESSI ONE Vitreous China Meets or exceeds the following: ASME A112.19.2/ASME 112.19.14, cUPC/IAPMO listed Features: Siphonic dual flush 6-4-l (1.6-1.1 gpf), closed water rim Rough-in vertical 12” (305 mm), for wax sealing floor flange Concealed trap, concealed fixing, connection bottom left 7/8’’ UNF, chrome push button Complies with ADA and EPA Seat with cover included, Soft lowering system Laufen Clean Coat special glaze as standard Limited 5 year waranty

Technical drawings


Brochure downloads

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Technical files

Technical Factsheets Download (53.2 KB)
Technical drawings Download (1.18 MB)
Mounting instructions Download (2.84 MB)
2D drawings (dxf) Download (1.55 MB)
2D drawings (dwg) Download (466.3 KB)
3D drawings (dxf) Download (3.48 MB)
3D drawings (dwg) Download (708.9 KB)