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Browse Promax tank categories for residential, rural, commercial, and specialised applications.
Water Tanks
Durable above-ground water tanks for rural, residential, and commercial storage.
Underground Tanks
Underground water storage for sites where space, access, or visibility matters.
Slimline Tanks
Narrow-profile tanks designed for homes, boundaries, and other restricted spaces.
Industrial Tanks
Specialised tanks for demanding commercial, industrial, and process applications.
Water storage, rain harvesting, septic and wastewater solutions for homes and building projects across New Zealand.
Liquid transport, dust suppression and site water management solutions built for demanding site conditions.
Engineered liquid storage solutions for industrial sites, processing plants and specialised applications.
Water storage and liquid management solutions for farms, lifestyle blocks and rural properties.
Easy to specify
Whether you’re storing water, harvesting the rain or installing septic tanks, Promax has a liquid storage solution that will fit your construction site.
Easy to install
Whether you’re storing water, harvesting the rain or installing septic tanks, Promax has a liquid storage solution that will fit your construction site.
Built for purpose
Whether you’re storing water, harvesting the rain or installing septic tanks, Promax has a liquid storage solution that will fit your construction site.
Built on Experience
From rural properties to industrial sites, Promax delivers proven solutions backed by local expertise and nationwide reach.
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Our team knows this range inside out. Tell us about your build, what you're trying to achieve, where it's going, or what you're unsure about and we'll come back with a clear recommendation. No jargon, no obligation.
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- Spec, compliance and sizing guidance included
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