Devan Underground Water Tank 750 Ltr Detention/Retention DW750D Olive Green

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Devan Underground Water Tank 750L Detention/Retention DW750D

The Devan Septic systems play a vital role in waste water treatment by providing a natural and efficient way of disposing of household sewage. Properly designed and maintained septic systems with effective waste water treatment can help protect the environment for years to come.

FREE DELIVERY NZ-WIDE - excludes Waiheke and other islands

Underground water detention or retention tank.

This tank comes with no outlets, the flat panels allow for easy plumbing using Uniseals.

6 -10 weeks lead-time. Made to order.

Installation & Maintenance Guide


About Devan

Devan’s high quality water tank range is made of polyethylene– a plastic material, known to be the toughest in the industry. Devan carry a wide range of non-fading colours to complement buildings and landscapes. UV-stabilised, Devan poly tanks are specially manufactured to withstand the extreme conditions of New Zealand.

The Devan tank range includes models with 600 litres to 30,000 litres capacity, with the larger model being the only tank of its kind to feature brass moulded outlets. Many of the Devan tanks come with a 20-year guarantee and use the most advanced technology and production procedures.

Devan have manufacturing and distribution centres located in Tauranga and Christchurch which has the benefit of being able to provide excellent customer service nationwide in conjunction with Turfrey.

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