Devan 3,500L Water Tank Premium NZ-Made Storage
The
Devan 3,500L Water Tank
is a strong, reliable, and long-lasting solution for households, farms, and lifestyle blocks that value water security and sustainability. Built from the highest quality polyethylene, this tank is engineered to withstand New Zealands toughest weather conditions while offering trouble-free service for decades.
Perfect for rainwater harvesting, irrigation, or backup water supply, this mid-sized tank is compact enough to fit into smaller spaces yet large enough to provide meaningful storage.
Key Features:
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3,500L capacity
ideal for households, gardens, or lifestyle properties
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Full 20-year warranty
no pro-rata, genuine peace of mind
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Made from premium polyethylene
UV-stabilised, wont rot or corrode
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Bury up to 500mm deep
with clean backfill
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Integrated 50mm brass outlet
easy plumbing, no risk of cross-threading
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Super-tough dome with unique Devan space frame
resists collapse under load
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Available in
11 colours
to suit your property
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Nationwide delivery across New Zealand
Specifications:
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Capacity: 3,500 litres
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Width: 2.0m
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Height: 1.3m
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Weight: 65kg
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Outlet: 1 50mm (2 inch) brass BSP fitting
Why Choose Devan Tanks:
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Only NZ tank brand with
brass moulded-in outlets
for secure, durable plumbing
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Tanks are vented as standard to prevent suction collapse (the 1 cause of tank failure)
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Optional
Devan vented overflow kits
for additional protection
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Designed and manufactured in NZ for NZ conditions
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Delivered nationwide on Devans fleet of custom trucks
Can the Devan 3,500L Tank Be Buried?
Yes it can be buried up to
500mm deep
with clean backfill. Burial depth requirements may vary depending on the tank grade. Contact us to discuss your site-specific installation needs.
Installation & Maintenance Guide
