6500 Litre Carat AA Eco-Plus Rainwater Harvesting System
Product code
From £2,950.00 Exc VAT (£3,540.00 Inc VAT)
Product Description
The 6500 Litre Carat AA Eco-Plus Rainwater Harvesting System from GRAF supplies rainwater to your toilets, washing machine and outside taps from a Carat underground tank. At 6,500 litres it suits a large home or a pair of holiday lets.
As a guide, British Standard BS 8515 suggests a tank of around 5% of the rain your roof collects in a year, which for the 6500 litre tank works out at a roof area of roughly 215 square metres. Used for toilets and laundry, it also holds around 18 days of supply for up to 7 people.
How the Carat AA Eco-Plus System Works
A filter cleans rainwater on its way into the tank. After that, a wall-mounted pump unit inside the building draws water out through a floating intake. For example, you can fit the unit in a utility room, garage or plant room, where it is easy to reach.
A mains back-up cistern sits at the base of the pump unit. When a float sensor in the tank detects a low level, mains water fills the cistern so your toilets and washing machine keep working. Since the pump is above ground, servicing is simple and nothing needs lifting out of the tank.
Key Benefits
- Lower cost route to whole-house rainwater use
- Pump above ground, so servicing is simple
- Mains back-up cistern keeps appliances working in dry spells
- Compact wall-mounted unit for a utility room or garage
- Supplies toilets, washing machine and outside taps
What’s Included
- 6,500 litre Carat underground tank
- Telescopic dome shaft with 150kg pedestrian lid
- Inlet filter
- Floating intake filter
- Overflow syphon
- Wall-mounted pump unit with mains back-up cistern
- Float sensor
Not Supplied
- 100mm duct pipe for the pump hose and cables
- 100mm inlet drainage pipe from the downpipes
- 100mm overflow pipe to a soakaway or surface water drain
- Electrical connection (a qualified electrician should carry this out)
Specification
- Capacity: 6,500 litres (approx. 1,430 gallons)
- Tank: GRAF Carat tank, a compact upright design that keeps the excavation footprint small
- Tank dimensions: 2390 x 2190 x 2100 mm (L x W x H, before dome shaft)
- Tank weight: 220 kg
- Loading: Pedestrian as standard, vehicle with the optional traffic lid
- Warranty: 15 years on the tank, 2 years on parts
- Not suitable for drinking water
- Manufacturer: GRAF UK
Optional Extras
- Traffic Telescopic Lid 3.5 Tonne, for driveways, yards and car parks
Delivery
We deliver the 6500 Litre Carat AA Eco-Plus Rainwater Harvesting System free to UK mainland addresses. The tank arrives on a lorry, so you will need to be able to offload it on arrival. In addition, drawings, data sheets and installation guides are available to download on 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.