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Product guide

Geberit Sigma30 115.883.16.1 dual-flush plate, matte black

The Geberit Sigma30 is a matte-black dual-flush control plate, model 115.883.16.1. Its listing describes front actuation and acoustically insulated drive rods with tool-free adjustment, but does not establish which cisterns it fits.

At a glance

  • Dual-flush control with front actuation, as described in the listing.
  • Drive rods are described as acoustically insulated and adjustable without tools.
  • Matte Black/Black finish and rectangular form.
Price
£103.30Save 48%

Reference price: £198.29

Price checked: 14 Nov 2026

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Pros and cons

Pros

  • Tool-free adjustment of the drive rods is claimed, which may make setup simpler.
  • Dual-flush controls offer two flush choices, subject to the compatible cistern setup.

Technical specifications

10 specifications
Identity and design
BrandGeberit
Model115.883.16.1
Form factorRectangular
ColourMatte Black/Black
Dimensions and installation
Dimensions listed29.8D x 17.2W x 4.6H centimetres
Weight listed0.39 Kilograms
ActuationFront drive
Flush typeFor double drain.
Materials and mechanism
Material listedsynthetic material
Drive rodsIt has acoustically insulated drive rods with quick adjustment without tools.

What to know before buying

Listing details to confirm

Cistern compatibility is not specified. Confirm that this Sigma30 plate fits the installed cistern before ordering, rather than relying on the product line name alone. The listing also describes a double drain, so check that this matches the intended installation.

What’s in the box

Included
  • 1 plaque

Who is it for?

A good fit for

  • Buyers replacing a compatible Geberit control plate who want a matte-black rectangular design.
  • Installations where front actuation and adjustable drive rods suit the existing cistern.

Less suited to

  • Buyers who need confirmed compatibility with a particular cistern model without checking its fit.
Geberit Sigma30 115.883.16.1 dual-flush plate, matte black · photo 2
Additional product photo 2

Customer reviews on Amazon

4.6 / 5 · 290 ratings
  • 5 stars82%82%
  • 4 stars11%11%
  • 3 stars3%3%
  • 2 stars0%0%
  • 1 star4%4%

The supplied evidence includes aggregate ratings but no written customer feedback. The rating distribution is mostly five-star, with a smaller one-star share, so it indicates generally positive scores alongside some dissatisfied ratings but does not explain their reasons or establish fit for a particular cistern.

Frequently asked questions

Does this plate fit my cistern?

The supplied listing does not identify compatible cistern models. Check the cistern model and confirm fit before buying.

What type of flush control is it?

The listing describes a double-drain, or dual-flush, button with front actuation.

Can the drive rods be adjusted without tools?

The listing claims quick adjustment of acoustically insulated drive rods without tools.

What is included?

The stated package contents list is one plaque. It does not specify other installation parts.

Geberit Sigma30 115.883.16.1 dual-flush plate, matte black · photo 3
Additional product photo 3

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