12,000 Litre Rainwater Harvesting Tank – Enduramaxx

£1,147.50 Exc VAT

(£1377.00 Inc VAT)

Shipping 4 – 6 Working Days
UK Mainland Delivery £150.00

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12,000 Litre Rainwater Harvesting Tank
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Product Description

12,000 Litre Rainwater Harvesting Tank – Enduramaxx

Maximise your water conservation with the 12,000 litre rainwater harvesting tank, constructed from high-quality UV-stabilised MDPE polyethylene. Rotationally moulded for a seamless finish, this tank delivers exceptional durability, reliability, and long-lasting performance.

Ideal for domestic, commercial, and agricultural rainwater harvesting systems, this large rainwater storage tank allows you to collect, store, and recycle rainwater efficiently. Perfect for properties where mains water is unavailable, it provides a sustainable and eco-friendly solution for effective water management across the UK.

Product Specification

  • 2” BSP male outlet included as standard
  • Screw-down lid: 620 mm
  • 100% rust-proof construction
  • UK manufactured for quality and reliability
  • 10 Year guarantee

Popular Applications

  • Landscape watering for parks, gardens, and recreational areas
  • Horticulture and market gardens for sustainable irrigation
  • Sporting grounds and stadiums for cost-effective watering
  • Industrial, commercial, hospital, and school toilet flushings
  • Equine and agricultural purposes – including livestock watering and wash-down systems.
  • Civil engineering and construction projects where mains water is unavailable

Benefits of Using Rainwater Tanks in the UK

  • Better for plants and gardens – non-chlorinated water promotes healthy growth
  • Reduce water bills – by supplementing mains water with harvested rainwater, you can save money and use water more sustainably.
  • Sustainable and eco-friendly – supports water conservation initiatives
  • Versatile – suitable for domestic, commercial, and agricultural applications

View Popular Products & Accessories 

Videos

Product Specification
Weight 280 kg
Dimensions L 2400 x W 2400 x H 2970 mm
Manufacturer

Material

Capacity

Delivery and Returns

Shipping costs for standard postcodes within UK Mainland are calculated at checkout when a postcode is entered.

Delivery charges are based on current manufacturer and courier rates. In some cases, delivery costs may be subject to confirmation after an order has been placed due to supplier delivery zones or freight changes. If an additional delivery charge applies, the customer will be notified before the order is dispatched and given the option to proceed or cancel the order for a full refund.

Some areas may incur additional charges, including:

  • Scottish Highlands and Islands

  • Isle of Wight, Channel Islands, Isle of Man, Anglesey, Western Isles, Shetland Islands, Orkney Islands, Isles of Scilly

  • Northern Ireland

  • Republic of Ireland

Additional charges may apply for postcodes in these areas:
AB, BT, CA, CT, DD, DG, EH, FK, G, GY, IM, IV, JE, KA, KW, KY, LD, LL, ML, PA, PH, PO 30–41, SA, SY, TD, TN, TR, ZE

If your postcode is listed above, please contact us before ordering for a shipping quote.

Some products are only available for delivery within England & Wales; this will be stated on the product page. If you are outside this area, please contact us for a quotation.


Delivery Lead Times

  • Refer to individual product pages for expected delivery times.

  • Custom orders may take longer; please enquire before ordering.

  • Items on the same order may be delivered separately due to stock locations.

  • If delivery is delayed, we will notify you via email.


Delivery Method

  • All deliveries are kerbside unless stated otherwise.

  • For larger items, customer offloading may be required.

  • Someone must be available to receive and inspect the goods.

  • Goods may be left in a safe place at the customer’s risk; Online Tank Store cannot accept responsibility once goods are left.

Note: By signing for the goods, you confirm that the outer packaging is intact and free from visible damage. Any visible damage must be noted on the delivery paperwork or the delivery refused.

Scheduled delivery times may be accommodated; please add instructions in the Customer Notes section at checkout.


Missing or Faulty Items

If items are missing or arrive damaged:

  1. Contact us within 48 hours of delivery at [email protected]

  2. Provide:

    • Order number

    • Photos of the goods

    • Brief description of the issue

We may require images for the manufacturer to provide replacements.


Delivery Charges & Returns

  • Ensure the product is the correct size and suitable for your intended use.

  • Standard tanks (no customisation) are returnable but subject to a restocking charge and must be returned in A1 condition. Returns may be expensive due to size and weight; please check before ordering.

  • Failed delivery attempts: After one unsuccessful delivery attempt, items will be returned to the depot, and redelivery charges may apply.

  • Special or custom tanks are non-returnable. If the wrong product is ordered or the item is no longer required, it cannot be returned, and no refund will be issued.

Our full returns and refund policy can be found by clicking here.

It is important to us that the items you order are correct for your needs however, we understand that situations and requirements can change. It can be costly to return an order so please ensure you are certain of your requirements before you order and that you have read the returns policy above for details.

Custom Tank – An order is considered ‘custom’ when a non-standard configuration or colour is requested. Custom orders are not eligible for return so please ensure the product is what you require before ordering. By purchasing, you are agreeing to the above terms.

Product Description

12,000 Litre Rainwater Harvesting Tank – Enduramaxx

Maximise your water conservation with the 12,000 litre rainwater harvesting tank, constructed from high-quality UV-stabilised MDPE polyethylene. Rotationally moulded for a seamless finish, this tank delivers exceptional durability, reliability, and long-lasting performance.

Ideal for domestic, commercial, and agricultural rainwater harvesting systems, this large rainwater storage tank allows you to collect, store, and recycle rainwater efficiently. Perfect for properties where mains water is unavailable, it provides a sustainable and eco-friendly solution for effective water management across the UK.

Product Specification

  • 2” BSP male outlet included as standard
  • Screw-down lid: 620 mm
  • 100% rust-proof construction
  • UK manufactured for quality and reliability
  • 10 Year guarantee

Popular Applications

  • Landscape watering for parks, gardens, and recreational areas
  • Horticulture and market gardens for sustainable irrigation
  • Sporting grounds and stadiums for cost-effective watering
  • Industrial, commercial, hospital, and school toilet flushings
  • Equine and agricultural purposes – including livestock watering and wash-down systems.
  • Civil engineering and construction projects where mains water is unavailable

Benefits of Using Rainwater Tanks in the UK

  • Better for plants and gardens – non-chlorinated water promotes healthy growth
  • Reduce water bills – by supplementing mains water with harvested rainwater, you can save money and use water more sustainably.
  • Sustainable and eco-friendly – supports water conservation initiatives
  • Versatile – suitable for domestic, commercial, and agricultural applications

View Popular Products & Accessories 

Videos

Product Specification
Weight 280 kg
Dimensions L 2400 x W 2400 x H 2970 mm
Manufacturer

Material

Capacity

Delivery and Returns

Shipping costs for standard postcodes within UK Mainland are calculated at checkout when a postcode is entered.

Delivery charges are based on current manufacturer and courier rates. In some cases, delivery costs may be subject to confirmation after an order has been placed due to supplier delivery zones or freight changes. If an additional delivery charge applies, the customer will be notified before the order is dispatched and given the option to proceed or cancel the order for a full refund.

Some areas may incur additional charges, including:

  • Scottish Highlands and Islands

  • Isle of Wight, Channel Islands, Isle of Man, Anglesey, Western Isles, Shetland Islands, Orkney Islands, Isles of Scilly

  • Northern Ireland

  • Republic of Ireland

Additional charges may apply for postcodes in these areas:
AB, BT, CA, CT, DD, DG, EH, FK, G, GY, IM, IV, JE, KA, KW, KY, LD, LL, ML, PA, PH, PO 30–41, SA, SY, TD, TN, TR, ZE

If your postcode is listed above, please contact us before ordering for a shipping quote.

Some products are only available for delivery within England & Wales; this will be stated on the product page. If you are outside this area, please contact us for a quotation.


Delivery Lead Times

  • Refer to individual product pages for expected delivery times.

  • Custom orders may take longer; please enquire before ordering.

  • Items on the same order may be delivered separately due to stock locations.

  • If delivery is delayed, we will notify you via email.


Delivery Method

  • All deliveries are kerbside unless stated otherwise.

  • For larger items, customer offloading may be required.

  • Someone must be available to receive and inspect the goods.

  • Goods may be left in a safe place at the customer’s risk; Online Tank Store cannot accept responsibility once goods are left.

Note: By signing for the goods, you confirm that the outer packaging is intact and free from visible damage. Any visible damage must be noted on the delivery paperwork or the delivery refused.

Scheduled delivery times may be accommodated; please add instructions in the Customer Notes section at checkout.


Missing or Faulty Items

If items are missing or arrive damaged:

  1. Contact us within 48 hours of delivery at [email protected]

  2. Provide:

    • Order number

    • Photos of the goods

    • Brief description of the issue

We may require images for the manufacturer to provide replacements.


Delivery Charges & Returns

  • Ensure the product is the correct size and suitable for your intended use.

  • Standard tanks (no customisation) are returnable but subject to a restocking charge and must be returned in A1 condition. Returns may be expensive due to size and weight; please check before ordering.

  • Failed delivery attempts: After one unsuccessful delivery attempt, items will be returned to the depot, and redelivery charges may apply.

  • Special or custom tanks are non-returnable. If the wrong product is ordered or the item is no longer required, it cannot be returned, and no refund will be issued.

Our full returns and refund policy can be found by clicking here.

It is important to us that the items you order are correct for your needs however, we understand that situations and requirements can change. It can be costly to return an order so please ensure you are certain of your requirements before you order and that you have read the returns policy above for details.

Custom Tank – An order is considered ‘custom’ when a non-standard configuration or colour is requested. Custom orders are not eligible for return so please ensure the product is what you require before ordering. By purchasing, you are agreeing to the above terms.