Geberit Sigma50 Round Dual Flush Button - Black Glass Black Chrome Design Rings 115.651.SJ.1
The Geberit Sigma50 round dual flush button pairs a glossy black glass cover plate and buttons with black chrome design rings and a brushed black chrome mounting plate. It is designed for flush actuation with Geberit Sigma concealed cisterns, giving a wall-hung toilet a refined, high-end finish.
Front actuation and water-saving dual flush make everyday use simple, while the easy-to-clean coated mounting plate and sound-absorbing actuator rods with tool-free fast adjustment make it practical to install and maintain.
Features:
- Mounting Plate: Black chrome / brushed, easy-to-clean coated
- Cover Plate & Buttons: Black / glossy glass
- Design Rings: Black chrome
- Round buttons, water-saving dual flush
- Front actuation
- Sound-absorbing actuator rods, tool-free fast adjustment
- Maximum actuation force of 20 N
- Compatible with the Geberit DuoFresh module for Sigma concealed cisterns (8 cm and 12 cm)
Key Benefits:
- Water-saving dual flush for everyday efficiency
- Premium look: glossy black glass with black chrome design rings
- Easy-to-clean coating makes daily cleaning simple
- Light front press, with a maximum actuation force of 20 N
- Quick, tool-free adjustment during installation
- Quiet operation thanks to sound-absorbing actuator rods
- Can be upgraded with the Geberit DuoFresh odour extraction module
Specifications:
| Specification | Details |
|---|---|
| Range | Geberit Sigma50 (metal colour black chrome) |
| Product Type | Actuator plate, dual flush |
| Button Shape | Round |
| Mounting Plate | Black chrome / brushed, easy-to-clean coated |
| Cover Plate & Buttons | Black / glossy glass |
| Design Rings | Black chrome |
| Product Material | Die-cast zinc / glass |
| Actuation Force (max.) | 20 N |
| Actuation | Front actuation |
| Suitable For | Geberit Sigma concealed cisterns |
| Scope of Delivery | Mounting frame, 2 distance bolts, 2 actuator rods |
| Width (cm) | 24.6 |
| Depth (cm) | 1.4 |
| Length (cm) | 16.4 |
| Unit Weight (kg) | 1.304 |
Available at Burdens Bathrooms:
Shop the Geberit Sigma50 Round Dual Flush Button - Black Glass Black Chrome Design Rings online at Burdens Bathrooms, or visit your nearest Burdens Bathrooms showroom for expert advice on Geberit flush buttons, concealed cisterns and the rest of our bathroom collection.
Warranty: 3 Years Limited Warranty, subject to Geberit warranty terms (refer to manufacturer for full warranty details).
We aim to dispatch all orders within 1 business day
*Large items may be delivered to a local depot if required.
You may also like
What our customers say
View allGot questions about this product?
Head over to our Frequently Asked Questions (FAQs) page for more details on ordering, delivery, installation, and warranties — or reach out to our team for personalised help
Local Delivery Available
Flat rate Local Burdens Delivery on ANY order, large or small, direct to your door.
Courier and Post Shipping Available
Express post and freight courier service available.
Free In-store Collection
Free in-store collection available at any Burdens Bathrooms location
Free In-store Collection














