Geberit Sigma8 Concealed Cistern 4.5 / 3L Dual-Flush Standard In-wall Cistern For Wall Faced Pan

Geberit Sigma8 Concealed Cistern 4.5 / 3L Dual-Flush Standard In-wall Cistern For Wall Faced PanGeberit Sigma8 Concealed Cistern 4. 5 3L Dual Flush Standard In wall Cistern For Wall Faced Pan The Swiss engineered Geberit Sigma8 concealed cistern combines high density HDPE construction with a sleek slim design, offering leak proof performance and water saving dual flush. Engineered to meet Australian standards, this premium in wall flush system is ideal for modern bathrooms and offers compatibility with a wide selection of Sigma flush plates. Key

Geberit Sigma8 Concealed Cistern 4.5 / 3L Dual-Flush Standard In-wall Cistern For Wall Faced Pan

The Swiss-engineered Geberit Sigma8 concealed cistern combines high-density HDPE construction with a sleek slim design, offering leak-proof performance and water-saving dual flush. Engineered to meet Australian standards, this premium in-wall flush system is ideal for modern bathrooms and offers compatibility with a wide selection of Sigma flush plates.

Key Features

• Flush Volume: 4.5 L full / 3 L half (adjustable)

• Installation Depth: 80 mm slim profile for standard 90 mm walls

• Material: Leak-proof, impact-resistant HDPE one-piece tank

• Compatibility: Supports S‑trap & P‑trap toilet pans

• Button Options: Works with over 30 Sigma mechanical, pneumatic, or electronic buttons

• Load Capacity: Up to 400 kg when paired with Duofix wall‑hung frames

• Operating Pressure: 0.1–1,000 kPa

• Condensation-Insulated tank prevents moisture build-up

Dimensions

• Width: 410 mm

• Depth: 80 mm

• Height: Approx. 625–780 mm (varies by installation)

Available As

• Cistern Only (with concealed frame)

What’s Included

• Geberit Sigma8 Concealed Cistern

• Integrated angle-stop valve and flush bend

• Front-access service protection box and flush plate brackets

• Fixing materials for wall or drywall installation

Warranty & Compliance

• 15‑Year Manufacturer’s Warranty on cistern tank

• 25‑Year Spare Parts Availability

• WELS Star Rating: 4‑Star dual-flush (Average 3.4 L/flush)