42000 Litre Underground Water Tank – GRAF
Product code
From £11,501.83 Exc VAT (£13,802.20 Inc VAT)
Product Description
The 42000 Litre Underground Water Tank from GRAF is a mid-range Carat XXL tank for high-demand sites. It suits dairy and livestock units, equestrian centres, sports grounds and commercial buildings that want to cut mains water bills or keep a large reserve on hand.
Because it sits below ground, the tank keeps water cool and dark, which limits algae, and it is safe from frost. The ribbed polyethylene Carat XXL body is far lighter than concrete, so installation is quicker and needs smaller lifting equipment.
Key Features
- 42,000 litre capacity (approx. 9,240 gallons)
- Tough, lightweight GRAF Carat XXL polyethylene construction
- Suitable for rainwater and all non-potable water storage
- Maxi telescopic dome shaft with 150kg pedestrian lid as standard
- Optional 3.5 tonne traffic lid for vehicle areas
- Can be connected to further tanks for extra storage
- 15 year manufacturer warranty and 50 year design life
Planning Your 42000 Litre Underground Water Tank
The 42000 litre underground water tank is about 10.7 metres long and 2.5 metres wide. Its low height keeps the dig shallower than a tall concrete tank of similar capacity.
Specification
- Capacity: 42,000 litres
- Tank type: GRAF Carat XXL
- Tank dimensions: 10680 x 2500 x 2550 mm (L x W x H, before dome shaft)
- Weight: 1675 kg
- Colour: Grey / black
- Loading: Pedestrian as standard, vehicle with traffic lid
- Not suitable for drinking water
- Manufacturer: GRAF UK
Optional Extras
- Traffic Telescopic Lid 3.5 Tonne, for driveways, yards and car parks
- Tank Alert EZ High Level Alarm, which gives an audible warning when the water level gets high
Delivery
We deliver free to UK mainland addresses. The tank arrives on a lorry, so you will need a way to offload it on the day. You can download the data sheet, drawing and installation guide from this page.
Delivery and Returns
Delivery Information
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:
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Scottish Highlands and Islands
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Isle of Wight, Channel Islands, Isle of Man, Anglesey, Western Isles, Shetland Islands, Orkney Islands, Isles of Scilly
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Northern Ireland
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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
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Refer to individual product pages for expected delivery times.
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Custom orders may take longer; please enquire before ordering.
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Items on the same order may be delivered separately due to stock locations.
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If delivery is delayed, we will notify you via email.
Delivery Method
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All deliveries are kerbside unless stated otherwise.
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For larger items, customer offloading may be required.
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Someone must be available to receive and inspect the goods.
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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:
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Contact us within 48 hours of delivery at [email protected]
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Provide:
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Order number
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Photos of the goods
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Brief description of the issue
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We may require images for the manufacturer to provide replacements.
Delivery Charges & Returns
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Ensure the product is the correct size and suitable for your intended use.
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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.
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Failed delivery attempts: After one unsuccessful delivery attempt, items will be returned to the depot, and redelivery charges may apply.
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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.
Returns & Refunds
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.