With ‘sustainable building’ regulations mandating or encouraging the installation of rainwater tanks and connection to household fittings such as toilets and washing machines, it is important to ensure optimal quality of the water supply for the trouble-free operation of these devices over time.

WaterVault has specific design features that ensure the maximum possible volume of high quality water is available. These include:

• Constant filtration, with skimming via the overflow
• Calming inlet ensures that water entering the tank, even during the heaviest downpours, does not stir up the sediment and disrupt the ecological balance in the tank
• Integrated backflow valve with rodent stop prevents contamination from the stormwater outlet
• Tank is fully sealed using positive o-rings, labyrinth or lipseal arrangements and does not rely on site-applied sealants
• Made from food-grade, UV stabilised polyethylene to meet AS4020 and will not corrode, has no fibres and will not taint the water
• Depth of tank design provides for a larger volume of clean, fresh water compared with shallower profile underground tanks
• Single-piece monolithic construction of the rotomoulded tank prevents cracking and root encroachment
• Full-size manhole allows easy access for cleaning and maintenance
• Telescopic riser, tiltable lid and the ability to flex with soil movement means the tank remains a completely sealed unit and can avoid contamination