350 Litre Underground Water Tank V2
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The 350 Litre Underground Water Tank V2 is a compact, low-profile underground tank designed for efficient water storage in areas where space is limited. Manufactured in the UK using a strong virgin polymer, this one-piece moulded tank delivers excellent durability and long-term performance. Ideal for domestic gardens, small commercial projects, irrigation systems and tight installation spaces, it includes two 4" inlet/outlet connections for easy underground pipework integration.
Compatible with standard 4" (110mm) fittings, this underground tank also features a 12" access lid suitable for installing a submersible pump—perfect for garden watering, car washing and general water reuse. With a pre-moulded 1" BSP outlet and a 10-year warranty against manufacturing defects, this tank provides a reliable, low-maintenance solution for sustainable water storage.
Technical Specification
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Download Product Technical Data Sheet
- Capacity: 350 litres
- Height: 1050mm
- Length: 990mm
- Width: 1150mm
- Weight: 35kg
- Material: MDPE (Medium Density Polyethylene)
- Construction: One-piece mould, virgin polymer
- Inlets/Outlets: 4" connections (compatible with UK 110mm fittings)
- Access: 12" lid
- Outlet: 1" BSP (pre-moulded)
- Installation: Underground, compact/low design
- Warranty: 10-year manufacturing defect warranty