Grand underground tank 15000 litres, HDPE polyethylene wastewater tank

Description

Grand 15000 litre underground tank

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The Grand 15000 litre underground tank is an efficient, durable solution for collecting and storing wastewater, rainwater or other liquids in residential and industrial applications. With a volume of 15,000 litres, this one-piece tank is designed to be buried and to provide safe, long-term use.

Made from high-density polyethylene, the tank is highly resistant to corrosion and external factors, ensuring watertightness and reliability in use.

✅ Ideal for collecting wastewater and rainwater
✅ Watertight one-piece construction – no risk of leaks
✅ Large capacity – 15,000 litres for intensive use

🔹 Applications

The Grand 15000 litre underground tank can be used for many applications:

✔ collecting domestic wastewater
✔ storing rainwater for irrigation
✔ industrial and commercial applications
✔ use in areas without access to the sewer network

🔹 Main advantages

✅ one-piece construction in durable polyethylene
✅ high watertightness – no liquid loss
✅ resistant to corrosion and common chemicals
✅ long service life
✅ easy installation and integration into the site
✅ simple maintenance – periodic emptying

🔹 Installation and maintenance

📌 the tank is buried on a levelled sand bed or concrete slab, depending on ground conditions
📌 it is connected to the existing sewer or collection system
📌 periodic emptying is recommended, depending on use

🔹 Technical specifications – Grand 15000 litre underground tank

Volume: 15000 litres
Height: 243 cm
Length: 452 cm
Diameter: 225 cm
Cover: 550 mm
Vent connection: R 2”
Extension collar: CL 550F

🔹 Why choose a Grand 15000 litre underground tank?

✅ a safe solution for collecting and storing liquids
✅ a durable product designed for long-term use
✅ extended capacity for high consumption
✅ suitable for residential and industrial applications

📌 The Grand 15000 litre underground tank is a practical, reliable solution for managing wastewater and rainwater, offering large volume and safe operation.

Additional information