Underground Rainwater Tanks

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Advanced Underground Rainwater Tanks: Pure and Safe Storage Solutions with Tankless

At Tankless, we take pride in taking the concept of underground water storage to the next level, and that applies to our underground rainwater tanks as well.

Our underground rainwater tanks are meticulously designed to ensure the highest level of purity and safety.

Each tank is fully enclosed and equipped with advanced filtration systems, guaranteeing that only clean and contaminant-free water enters the storage tanks.

With engineer-certified designs, our tanks provide the utmost security, remaining impenetrable even to pets.
Underground rainwater tanks like the ones we offer at Tankless offer several benefits, including:

    • Water Conservation: Underground rainwater tanks help in the efficient use and conservation of water. They collect rainwater runoff from rooftops, which would otherwise be lost or wasted. This collected water can be used for various purposes, such as gardening, irrigation, toilet flushing, and laundry.
    • Space-saving and Aesthetically Pleasing: One significant advantage of underground rainwater tanks is that they don’t take up valuable space on the surface of your property. These tanks are buried beneath the ground, which means you can use your outdoor space more effectively. This can be particularly advantageous for smaller properties or areas with limited space.
    • Protection from Evaporation and External Factors: Underground rainwater tanks provide better protection against evaporation compared to above-ground tanks. Being shielded from direct sunlight, the water stored underground is less likely to evaporate quickly, ensuring that the stored water remains available for longer periods. Moreover, our first class underground rainwater tanks are less susceptible to temperature fluctuations, reducing the risk of algae growth and bacterial contamination.

Discover Superior Underground Rainwater Tanks – Contact Tankless for Sustainable Water Management Solutions Today!

Our underground rainwater tanks offer water conservation, space-saving benefits, and protection against evaporation and external factors, making them an excellent choice for sustainable water management.

Do not hesitate to contact us if you want us to tell you everything regarding our premium underground rainwater tanks and other similar solutions we offer at Tankless.

Thank you for trusting our superior water tank solutions! Contact us today.

Best Services

Services We’re Providing

Tankless is a fully enclosed & filtered system. Engineer certified – not even your pet could get in. Trafficable for cars & occasional heavy vehicles.

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Underground Water
Tanks

Tankless is for DROUGHT & FLOODING RAIN™ Any size desired collects both storm & surface water to maximize catchment, is load bearing & uniquely achieves a high gravity overflow outlet underground to the point of discharge that equates to significant savings & simplifies installation to make maintenance virtually redundant. Breakthrough water insights gain authority over your water storage & drainage. We specialize in capturing, filtering, drain & recycle water for drought & flooding rain.

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Swimming Pool
conversions & fill in

Tankless fills your void in the ground with the absolute far & away least disturbance to your property with a permanent solution & solves drainage issue All In One cost effective process.

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Expert Solutions for Any Requirement

A Pervious filtered lid captures extra rain fall & recycles irrigation & drainage. Earth lock technology features unique qualities that caters for the highest overflow setting to gravity discharge water out to council drains when full. DIY Easy-Kit you can build your own Water Oasis that's Out of sight... Out of mind. Our back-end team designs and supplies fittings, liners, filters, pumps & water storage coils from our supplier partners which offer a unique baffled tough, agile & safe system for kids, pets, cars & trucks.

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Unlimited Surface
Choice

Lawn, Vegetable garden,Paving, Driveway, Synthetic sports surface, Decking, Indigenous garden with a frog pond.
PS. This Surface is permeable so make the most of it!
ULTIMATE SPACE SAVER
For multiple dwellings or where space is at an absolute premium. Access required just 800mm standard doorway to a small court yard or lawn area. Nimble & easily modified to cater for the most challenged area. Tankless below ground system versatility & agility will find the right solution. Ideal for removing unwanted slimline tanks & repurposing the area for a storage shed or simply a bigger court yard space with water storage...Out of sight.

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Why Choose Us

Top Benefits of Choosing Tankless Underground Rainwater Storage Systems

Our experienced team are dedicated to providing excellent customer service and ensuring a seamless installation process.

  • Collects storm & surface water
  • Improve drainage & recycles water
  • Fast build & minimal disturbance
  • Honest and dependable
  • Excellent staff administration
Tankless
Experienced

Patented design with gravity discharge when full & load bearing system removes the hidden installation costs of underground tanks significantly.

Testimonials

What Client Say

Tankless water tanks are a smart investment for any home. They provide eco-friendly solution, maximizing water catchment while saving space, energy, and money on your utility bills.

Great product and service. Hard to find experts that know the whole end to end process for building tank and linking it effectivel

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Anthony Jones Hawthorn
Client

Tankless installed a 18,000 litre tank under my front lawn over 10 years ago. As an engineer, I checked out every aspect of the in

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Tony Carolan Brighton
Client

Using the “Tankless” 50,000 litre underground catchment this summer has meant our garden, filled with camellias and roses, is

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Doreen Thomas Camberwell
Client

Just had our Tankless underground tank serviced after 11 years of trouble free use, no issues and great customer communication. wo

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Mike Taylor East Malvern
Client
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