Underground low-profile water tank FLAT 3000 liters
| Dimension | 240 x 194 x 112 cm |
|---|---|
| Color | Blue |
| Material | Polyethylene |
| Shipping time | 7-14 days |
Underground low-profile water tank FLAT 3000 liters
Are you planning to install an underground rainwater harvesting system, but dread deep excavations and challenging ground conditions? The professional Underground low-profile water tank FLAT 3000 liters is a revolutionary shallow-profile Erdtank with a capacity of 3000 l, manufactured in the EU from high-grade polyethylene (HDPE). The unique low-profile geometry reduces the required digging depth by up to 60% compared to traditional cylindrical cisterns. This dramatically lowers excavation costs, eliminates the need for heavy site machinery, and allows easy installation in rocky terrains or high groundwater tables.
The underground cistern is manufactured as a single solid monolith without seams or welds, eliminating any risk of structural leaks due to ground settling. Deep reinforcing ribs provide exceptional resistance against earth load and freezing soil stresses. The FLAT tank is 100% environmentally inert, does not release microplastics, and serves as the perfect buffer reservoir for automated garden irrigation systems.
Technical Specification
| Dimensions (length x width x height) | 240 x 194 x 112 cm (length x width x height) |
| Dry weight (mass) | 115 kg |
| Nominal capacity | 3000 l |
| Material Sourced | PE (high-density HDPE polyethylene with UV filter) |
| Color | Blue |
Primary Applications:
- Underground Retention: Symmetrical hidden storage of large rainwater reserves, preserving garden aesthetics.
- Automatic Irrigation: Feeding pop-up sprinkler networks via submersible pressure pumps.
- Stormwater Buffering: Mitigating local flooding risks by retaining rainwater during heavy storms.
Key Features and Technical Benefits:
- 60% Shallower Excavation: Symmetrical flat profile reduces digging time, labor, and machinery costs.
- Heavy-Duty Ribbing: Symmetrical self-supporting structure absorbs lateral ground loads and water pressure.
- 100% Leak-Proof: Seamless polymer body protects against groundwater infiltration and storage loss.
- Driveway Safe Option: Can support light vehicle traffic when installed with a class B125 cover and extension shaft.
- Ideal Pump Reservoir: Symmetrical 3000 l capacity provides an excellent buffer for automated sprinklers.
Expert opinion – Efficient rainwater harvesting
The FLAT low-profile underground tank with a capacity of 3000 l is one of the most practical solutions on the market for challenging soil profiles. Its flat shape makes installation a breeze, particularly where rocky soils or high water tables are present. The seamless HDPE shell resists ground settling forces perfectly. I strongly recommend this model to power automatic garden watering networks.
FAQ – Frequently Asked Questions
What are the advantages of the FLAT underground tank?
Its low-profile design requires 60% shallower digging than vertical cisterns. This cuts excavator costs and simplifies installation in high groundwater conditions.
Can the FLAT underground cistern remain full in winter?
Yes, since underground tanks sit below the frost line, the water will not freeze. The HDPE composite material is fully frostproof and cold-resistant.
Can the FLAT tank be installed under a vehicle driveway?
Yes, it is driveway-safe under light passenger cars if installed with a shaft extension, a class B125 cast-iron cover, and concrete-sand backfill.
Will the flat tank be pushed out by high groundwater?
Its flat geometry and outer ribbing anchor the tank in the soil. Under high groundwater conditions, follow the sand-cement backfill guidelines strictly.
How do I pump water from the underground cistern?
The most efficient way is to place an automatic submersible pressure pump inside the tank, which activates automatically when you spray your hose.
Does the underground tank have technical certification?
Yes, our EU-manufactured tanks are fully tested for static load bearing and carry declarations of conformity confirming structural strength.
The Underground low-profile water tank FLAT 3000 liters is an underground low-profile water tank FLAT (3000 l, dimensions: 240 x 194 x 112 cm (length x width x height)). Low-profile shape cuts excavation depth by 60% to save installation cost. Sourced in the EU from HDPE.
