Promax water tanks are built to last in tough NZ conditions. Our premium ENDURO range is engineered for strength, long life, and partial in-ground use. With a corrugated design, heavy-duty build, and 20-year warranty, it’s the industry benchmark. XPRESS tanks offer a smooth-sided, above-ground alternative at a lower cost. All tanks are made from high-grade polyethylene and certified to AS/NZS 4766. Trusted nationwide by rural, commercial, and residential customers.

Promax Sidewall Manway Access 630mm

Promax Sidewall Manway Access 630mm

POA

Internal Baffle Plates

Internal Baffle Plates

POA

Promax Snow Support Pole

Promax Snow Support Pole

POA

Promax Stainless Lockable Tank Lid 600mm

Promax Stainless Lockable Tank Lid 600mm

POA

Promax Cone Tank 1,000 Ltr

Promax Cone Tank 1,000 Ltr

POA

Promax Stainless Steel Tiedown

Promax Stainless Steel Tiedown

POA

Welded PE Pipe

Welded PE Pipe

POA

Seismic Restraints

Seismic Restraints

POA

Anti-Vortex Suction Outlet

Anti-Vortex Suction Outlet

POA

Shipping Container Tanks

Shipping Container Tanks

POA

Custom Bunded Tanks

Custom Bunded Tanks

POA

Flexible Connections & Expansion Joints

Flexible Connections & Expansion Joints

POA