4000 Litre Slimline Rainwater Harvesting Tank – Enduramaxx
The 4000 Litre Slimline Rainwater Harvesting Tank is a space-saving, high-capacity water storage solution designed for collecting and storing rainwater in domestic, commercial, agricultural, or industrial settings.
Constructed from UV-stabilised MDPE (Medium-Density Polyethylene), this tank is rotationally moulded to create a seamless, durable one-piece design. It resists cracking, corrosion, and weather damage, making it ideal for long-term outdoor use in the UK climate.
The slimline profile is perfect for installations where space is limited—without compromising on storage volume.
Product Specification
- 2” BSP male outlet included as standard
- Screw-down lid: 620 mm
- 100% rust-proof construction
- UK manufactured for quality and reliability
- 10 Year guarantee
Popular Applications
- Landscape watering for parks, gardens, and recreational areas
- Horticulture and market gardens for sustainable irrigation
- Sporting grounds and stadiums for cost-effective watering
- Industrial, commercial, hospital, and school toilet flushings
- Equine and agricultural uses including livestock and wash-down systems
- Civil engineering and construction projects where mains water is unavailable
Benefits of Using Rainwater Tanks in the UK
- Better for plants and gardens – non-chlorinated water promotes healthy growth
- Reduce water bills – by using harvested rainwater instead of mains water, you can save money and make your water usage more sustainable.
- Sustainable and eco-friendly – supports water conservation initiatives
- Versatile – suitable for domestic, commercial, and agricultural applications







