3750 Litre Carat Direct Rainwater Harvesting System – Complete Package

Price £2,150.00 Exc VAT (£2580.00 Inc VAT)

Shipping 5 – 7 Working Days
Free UK Mainland Delivery

Frequently bought together with;
6500 Litre Carat Garden Rainwater Harvesting System
+Vehicle Loading Lid - 3.5 Ton

Product Description

The 3750 Litre Carat Direct Rainwater Harvesting System – Complete Package is designed to go underground and supply water to both home and garden.

Rainwater is collected from the roof of the property and fed into the underground tank via the downpipes. On entry to the tank, the water passes through the filter to prevent any debris from going into the tank. With this system, there is a mains water top-up unit located within the property. This unit supplies mains water to the underground tank when the rainwater level is low. There is a pressure-sensitive pump located in the underground tank, when a valve or tap is opened, water will be pumped under pressure until the valve is closed, allowing the system to repressurise turning the power off to the pump.

Key Benefits

  • Simple & quick to install
  • Submersible pump supplies harvested rainwater on-demand to WCs, washing machines & external taps
  • Mains water back-up unit tops up the water level in the Carat tank when rainwater levels are low, in order to guarantee a continued water supply
  • The quiet & conveniently-sized mains water back-up unit will fit in a kitchen or utility cupboard for very low visual impact
  • Innovative float sensor detection on the mains water back-up unit ensures that the underground tank is kept supplied with mains water but only the amount necessary to maintain supply to toilets and washing machines. This leaves as much volume as possible in the tank to collect rainwater when available

Popular Uses 

  • Flushing Toilets
  • Washing Machines
  • Garden Irrigation
  • Outside garden tap

Specification

  • CARAT tank dome Maxi black, with sealing set DN 100
  • CARAT telescopic dome shaft Mini green, with PE-lid, for pedestrian loading/or vehicle loading
  • CARAT Filter package 3 House, Optimax-Pro filter internal/inflow stilling system/overflow siphon/Spannfix – DN 100
  • Pump package Home Direct Carat
  • Mains water back-up unit
  • Float sensor (connected from mains water back-up unit to the underground tank)

Additional Components Required For Installation (Not supplied)

  • 100mm diameter duct pipe to contain float sensor cable, power cable for pump, also bringing mains water to underground tank as and when required
  • 100mm diameter drainage pipe connected from downpipes to the inlet at the top of the tank (all downpipes brought into one pipe for connection to the filter)
  • 100mm diameter pipe for overflow from the tank to mains drainage network or soakaway

Installation & Commissioning

Installation Guide 

Watch the GRAF Installation video here 

Product Specification
Weight 150 kg
Dimensions L 2315 x W 1790 x H 2200 mm
Potable Material

Manufacturer

Capacity

Warranty

Tank 15 years – Parts 2 years

Delivery and Returns

The shipping cost for standard postcodes within UK Mainland will be calculated at the checkout when a postcode is entered.

Parts of the following areas may be more expensive. See below;

  • Scottish highlands and islands including areas of the Glasgow / Edinburgh border, Isle of Wight, Channel Islands, Isle of Man, Anglesey, Western Isles, Shetland Islands, Orkney Islands, Isles of Scilly, Northern Ireland, Republic of Ireland.

The below postcodes may be subject to additional postage charges;

  • AB, BT, CA, CT, DD, DG, EH, FK,G, GY, IM, IV, JE, KA, KW, KY, LD, LL, ML, PA, PH, PO 30-41 (Isle of Wight), SA, SY, TD, TN, TR, ZE
    Southern Ireland.

Please call before ordering if the postcode is listed above. Click here for our contact details.

Some of our products are only available for England & Wales delivery only as standard and this will be stated in the product description. Please get in touch if you are outside of this area and we can obtain a quotation for you.

Delivery Lead Times

See individual products for expected delivery times. If an order is to take longer than expected, we will email you with this information.
Custom orders may take longer than the standard stated time – please enquire. Due to the location of stock, items on your order may also be delivered separately.

Delivery Method

All items (unless otherwise stated on the product page) are delivered to Kerbside. In some instances for the larger items, customer offloading may be required.

Somebody will need to be in to receive and check the goods before signing for them. It is possible to arrange for the goods to be left in a safe place but this is at the risk of the customer and should anything happen to the goods once they have been left, we will be unable to support this.

IMPORTANT – In signing for the goods, you are agreeing that the item packaging is intact. If damage is found after this point, collection or redelivery cost will be down to the customer.

A book-service may be available in some instances. If there are specific timings for your delivery, please add them into the customer notes section on the order.

Missing/Faulty Parts

In the unlikely event that you find there are items missing from your order, please contact us within 14 days of the goods arrival and we will be able to correct this. Note that we may ask for a picture of the goods that have arrived – this will be required by the manufacturer of the goods in order to provide the missing/replacement parts.

If your items have arrived in a sub-standard condition, please email [email protected] with the following detail;

  • Order Number
  • Photos of the damage or fault
  • Brief explanation of the issues

This will allow us to deal with the matter as swiftly as possible in order to reduce the inconvenience caused.

Delivery Charges

Please ensure the product you order from Online Tank Store Ltd. is the correct size & suitable for your specific use. All standard tanks (i.e. no customisation) are returnable but will be subject to a restocking charge and must be returned in A1 condition. It can be expensive for the customer to return due to the size and weight. Please ensure what you order is what you require. Read our full returns policy here before ordering.

If a delivery has been attempted and failed 3 times, the item will be taken back to the depot and redelivery charges will apply.

Special order or custom tanks are non-returnable therefore if your order is the incorrect product or no longer required unfortunately, it will not be accepted back and no refund will be given.

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.


International Delivery Information
Request a Proforma Invoice

Product Description

The 3750 Litre Carat Direct Rainwater Harvesting System – Complete Package is designed to go underground and supply water to both home and garden.

Rainwater is collected from the roof of the property and fed into the underground tank via the downpipes. On entry to the tank, the water passes through the filter to prevent any debris from going into the tank. With this system, there is a mains water top-up unit located within the property. This unit supplies mains water to the underground tank when the rainwater level is low. There is a pressure-sensitive pump located in the underground tank, when a valve or tap is opened, water will be pumped under pressure until the valve is closed, allowing the system to repressurise turning the power off to the pump.

Key Benefits

  • Simple & quick to install
  • Submersible pump supplies harvested rainwater on-demand to WCs, washing machines & external taps
  • Mains water back-up unit tops up the water level in the Carat tank when rainwater levels are low, in order to guarantee a continued water supply
  • The quiet & conveniently-sized mains water back-up unit will fit in a kitchen or utility cupboard for very low visual impact
  • Innovative float sensor detection on the mains water back-up unit ensures that the underground tank is kept supplied with mains water but only the amount necessary to maintain supply to toilets and washing machines. This leaves as much volume as possible in the tank to collect rainwater when available

Popular Uses 

  • Flushing Toilets
  • Washing Machines
  • Garden Irrigation
  • Outside garden tap

Specification

  • CARAT tank dome Maxi black, with sealing set DN 100
  • CARAT telescopic dome shaft Mini green, with PE-lid, for pedestrian loading/or vehicle loading
  • CARAT Filter package 3 House, Optimax-Pro filter internal/inflow stilling system/overflow siphon/Spannfix – DN 100
  • Pump package Home Direct Carat
  • Mains water back-up unit
  • Float sensor (connected from mains water back-up unit to the underground tank)

Additional Components Required For Installation (Not supplied)

  • 100mm diameter duct pipe to contain float sensor cable, power cable for pump, also bringing mains water to underground tank as and when required
  • 100mm diameter drainage pipe connected from downpipes to the inlet at the top of the tank (all downpipes brought into one pipe for connection to the filter)
  • 100mm diameter pipe for overflow from the tank to mains drainage network or soakaway

Installation & Commissioning

Installation Guide 

Watch the GRAF Installation video here 

Product Specification
Weight 150 kg
Dimensions L 2315 x W 1790 x H 2200 mm
Potable Material

Manufacturer

Capacity

Warranty

Tank 15 years – Parts 2 years

Delivery and Returns

The shipping cost for standard postcodes within UK Mainland will be calculated at the checkout when a postcode is entered.

Parts of the following areas may be more expensive. See below;

  • Scottish highlands and islands including areas of the Glasgow / Edinburgh border, Isle of Wight, Channel Islands, Isle of Man, Anglesey, Western Isles, Shetland Islands, Orkney Islands, Isles of Scilly, Northern Ireland, Republic of Ireland.

The below postcodes may be subject to additional postage charges;

  • AB, BT, CA, CT, DD, DG, EH, FK,G, GY, IM, IV, JE, KA, KW, KY, LD, LL, ML, PA, PH, PO 30-41 (Isle of Wight), SA, SY, TD, TN, TR, ZE
    Southern Ireland.

Please call before ordering if the postcode is listed above. Click here for our contact details.

Some of our products are only available for England & Wales delivery only as standard and this will be stated in the product description. Please get in touch if you are outside of this area and we can obtain a quotation for you.

Delivery Lead Times

See individual products for expected delivery times. If an order is to take longer than expected, we will email you with this information.
Custom orders may take longer than the standard stated time – please enquire. Due to the location of stock, items on your order may also be delivered separately.

Delivery Method

All items (unless otherwise stated on the product page) are delivered to Kerbside. In some instances for the larger items, customer offloading may be required.

Somebody will need to be in to receive and check the goods before signing for them. It is possible to arrange for the goods to be left in a safe place but this is at the risk of the customer and should anything happen to the goods once they have been left, we will be unable to support this.

IMPORTANT – In signing for the goods, you are agreeing that the item packaging is intact. If damage is found after this point, collection or redelivery cost will be down to the customer.

A book-service may be available in some instances. If there are specific timings for your delivery, please add them into the customer notes section on the order.

Missing/Faulty Parts

In the unlikely event that you find there are items missing from your order, please contact us within 14 days of the goods arrival and we will be able to correct this. Note that we may ask for a picture of the goods that have arrived – this will be required by the manufacturer of the goods in order to provide the missing/replacement parts.

If your items have arrived in a sub-standard condition, please email [email protected] with the following detail;

  • Order Number
  • Photos of the damage or fault
  • Brief explanation of the issues

This will allow us to deal with the matter as swiftly as possible in order to reduce the inconvenience caused.

Delivery Charges

Please ensure the product you order from Online Tank Store Ltd. is the correct size & suitable for your specific use. All standard tanks (i.e. no customisation) are returnable but will be subject to a restocking charge and must be returned in A1 condition. It can be expensive for the customer to return due to the size and weight. Please ensure what you order is what you require. Read our full returns policy here before ordering.

If a delivery has been attempted and failed 3 times, the item will be taken back to the depot and redelivery charges will apply.

Special order or custom tanks are non-returnable therefore if your order is the incorrect product or no longer required unfortunately, it will not be accepted back and no refund will be given.

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.