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stormVAULT

Underground water tanks for Stormwater Management
stormVAULT

No matter where you need stormwater management – beachfront or hillside – stormVAULT underground water tanks have you covered.

Our underground water tanks have been designed and tested for the majority of soil types and water table conditions in New Zealand and are not reliant on surrounding soil structures for strength. They can be installed under lawn or concrete.

​stormVAULT is the thickest, strongest, and heaviest product on the market. We know that the demands put on underground water tanks are high, so stormVAULT has been built to exceed design standards.

​Compliance? No worries! stormVAULT tanks comply with council requirements, meaning they’re an easy, trouble-free solution to managing stormwater on your site or property.

stormVAULT

Benefits & Features

  • Meets AS/NZS4766:2006, AS/ NZS4020:2005, and AS/NZS 2070 standards, unlike other leading underground water tanks.
  • Solid-filled rib design 
  • Unique interlocking jointing
  • Anti-flotation anchors
  • Sustainable – manufacturing process produces zero waste of polyethylene and is 100% recyclable.
  • Can be installed under a lawn or under a concrete driveway
  • 30 years of proven tank manufacturing quality by Devan
  • A 15-year warranty applies to all stormVAULT tanks
stormVAULT

Designed To Be Sustainable

Polyethylene cannot rot or corrode and is UV stabilised for New Zealand’s harsh environmental conditions.

The manufacturing process produces zero waste of polyethylene and the product is 100% recyclable. At the end of its useful life, it can be returned to us to be recycled into other long-lasting products.

stormVAULT tanks are manufactured from the highest quality polyethylene available which is ideally suited to Devan’s moulding technique, giving long life and trouble-free service.

The material is certified to AS/NZ4766:2006, AS/NZS4020:2005, and AS/NZS 2070 so are suitable for potable water.

The tank is the strongest design on the market and has achieved compliance to AS/NZS1546 Septic Tank Standard, ARMA COP15 Underground Tank Code of Practice, and verified by CPEng Engineers here in New Zealand.

The material is certified to AS/NZS4766:2006, AS/ NZS4020:2005, and AS/NZS 2070.

stormVAULT has been proudly designed and manufactured in New Zealand with the intent to provide a rainwater harvesting solution for Kiwis right from Cape Reinga to Bluff.

stormVAULT

Product Specifications

2,000L
Dimensions: 2.3m overall length, 1.2m diameter (main tube), 2.3m turret.
Weight: 170kg
3,000L
Dimensions: 3.2m overall length, 1.2m diameter (main tube), 2.3m turret.
​Weight: 225kg
4,000L
Dimensions: 5.0m overall length, 1.2m diameter (main tube), 2.3m turret.
Weight: 340kg
5,000L
Dimensions: 5.0m overall length, 1.2m diameter (main tube), 2.3m turret.
Weight: 340kg
6,000L
Dimensions: 5.9m overall length, 1.2m diameter (main tube), 2.3m turret.
Weight: 395kg
7,000L
Dimensions: 6.7m overall length, 1.2m diameter (main tube), 2.3m turret.
Weight: 450kg
8,000L
Dimensions: 7.7m overall length, 1.2m diameter (main tube), 2.3m turret.
Weight: 510kg
9,000L
Dimensions: 8.6m overall length, 1.2m diameter (main tube), 2.3m turret.
Weight: 570kg
10,000L
Dimensions: 9.5m overall length, 1.2m diameter (main tube), 2.3m turret.
Weight: 625kg
stormVAULT

Product Specifications

2,000L
Dimensions: 2.3m overall length, 1.2m diameter (main tube), 2.3m turret.
Weight: 170kg
3,000L
Dimensions: 3.2m overall length, 1.2m diameter (main tube), 2.3m turret.
​Weight: 225kg
4,000L
Dimensions: 5.0m overall length, 1.2m diameter (main tube), 2.3m turret.
Weight: 340kg
5,000L
Dimensions: 5.0m overall length, 1.2m diameter (main tube), 2.3m turret.
Weight: 340kg
6,000L
Dimensions: 5.9m overall length, 1.2m diameter (main tube), 2.3m turret.
Weight: 395kg
7,000L
Dimensions: 6.7m overall length, 1.2m diameter (main tube), 2.3m turret.
Weight: 450kg
8,000L
Dimensions: 7.7m overall length, 1.2m diameter (main tube), 2.3m turret.
Weight: 510kg
9,000L
Dimensions: 8.6m overall length, 1.2m diameter (main tube), 2.3m turret.
Weight: 570kg
10,000L
Dimensions: 9.5m overall length, 1.2m diameter (main tube), 2.3m turret.
Weight: 625kg

Why Choose stormVAULT

Versatile
Designed and tested for the majority of soil types and water table conditions.
Strong
stormVAULT is the thickest, strongest, and heaviest product on the market.
Compliant

Complies to a number of AS/NZ Standards that other leading underground water tank providers don’t!

Proudly NZ Made, 15 Year Warranty

Designed and manufactured in New Zealand with 15 year warranty to all stormVAULT tanks.

stormVAULT FAQ's

The tanks have been designed for the majority of soil types and water table conditions in New Zealand. They are not reliant on surrounding soil structures for strength.

stormVAULT tanks have been built to be easily installed under your lawn, but they can also be installed under a concrete drive if space is a premium on your site.

stormVAULT stormwater tanks come with a 15-year domestic warranty. Devan has been in business for over 30 years and if there’s anything that time has taught us, it is that our customers see no compromise when it comes to confidence and reliability.

They sure are! stormVAULT has achieved compliance to AS/NZS1546 Septic Tank Standard, ARMA COP15 Underground Tank Code of Practice, and has been verified by CPEng Engineers here in New Zealand. The material is certified to AS/NZS4766:2006, AS/NZS4020:2005, and AS/NZS 2070

The highest quality polyethylene available. Polyethylene cannot rot or corrode and is ultraviolet stabilised. The manufacturing process produces zero waste and the product is 100% recyclable; it’s also ideally suited to our moulding technique, giving long life and trouble-free service.

Each tank is manufactured to meet whatever your volume requirements are. Standard sizes are available in any combination from 2,000L to 10,000L with other volumes available on request. The more volume you require, the longer the tank. Larger volumes are achieved by coupling multiple tanks together onsite with ease.

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