RotoTank 4000L Cylindrical Tank
The RotoTank 4000L Water Tank provides a high-capacity liquid storage solution for residential, agricultural, and commercial job sites. This vertical storage unit utilizes food-grade, high-density polyethylene (HDPE) to ensure safe containment of potable water. The cylindrical profile distributes hydrostatic pressure evenly across the walls for long-term structural stability.
Built for the Job
Site supervisors and plumbers specify this 4000-litre capacity for medium-scale rainwater harvesting and backup water systems. The vertical orientation minimizes the footprint on-site while providing significant volume. It is frequently used as a primary buffer tank in areas with inconsistent municipal supply or for temporary site utilities during construction phases.
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Rainwater collection from residential and commercial roof catchment areas.
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Agricultural irrigation storage for greenhouses and small-scale livestock watering.
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Backup potable water storage for multi-unit housing complexes.
Product Highlights
- Seamless Construction
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The unit is manufactured through a rotational molding process, creating a single-piece body without seams to prevent leaks.
- Material Integrity
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- UV-stabilized polyethylene prevents plastic degradation and brittleness from direct solar exposure.
- Opaque wall construction blocks light penetration to inhibit internal algae growth.
Technical Specifications
| Specification | Detail |
|---|---|
| Capacity | 4000 Litres |
| Material | UV-Stabilized Polyethylene |
| Type | Vertical Cylindrical |
| Inlet Size | Up to 50mm (2″) |
| Outlet Size | Up to 50mm (2″) |
| Manhole Diameter | 450mm |
What’s Included
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1 x 4000L Cylindrical Water Storage Tank
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1 x Heavy-duty threaded manhole cover
On-Site & Workshop Notes
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Always install the vessel on a reinforced concrete plinth that is perfectly level and clear of sharp aggregates.
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Use flexible hose connectors between the tank outlet and rigid pipework to accommodate minor settling or pump vibration.
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Ensure the tank is properly vented to prevent vacuum collapse during high-flow discharge or pressure buildup during filling.
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Check local building codes for required setbacks and drainage overflow management before final positioning.
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