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The GRAF Carat-S Garden Comfort Complete Package 2700L is a complete rainwater harvesting system designed for efficient outdoor water use, including garden irrigation and external cleaning. With a robust 2700-litre underground tank, this package offers a sustainable solution to reduce mains water consumption while maintaining high performance and ease of installation.

Manufactured using advanced injection compression moulding, the Carat-S tank is built for durability, stability, and precision. Its shallow-dig design allows for quick installation with minimal excavation, making it ideal for residential properties. The system includes a submersible pump, filter, and hose connection boxes for seamless water extraction and use.

What’s Included in the 2700L Complete Package:

Carat-S 2700L underground tank
Telescopic Dome Shaft Mini Green with PE lid (pedestrian or vehicle loading)
Filter Package 3 House, including:
- Carat basket filter
- Inflow stilling system
- Overflow siphon
- Spannfix connector (DN 100)
25m Roll of Rainwater Harvesting Pipe (25 mm, with fittings)
Internal hose connection box
External hose connection box


Additional Components Required For Installation (Not supplied)
100mm diameter duct pipe to contain; float sensor cable, power cable for the 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

Product Features:
Capacity: 2700L
Quick Assembly: Patented quick-connect system with no screws required
Durable Construction: EPDM seals tested for over 25 years of performance
Eco-Friendly: Reduces mains water usage by up to 50%
Flexible Installation: Suitable for granular backfill depending on ground conditions
User-Friendly: Easy access and water extraction via hose connection boxes

LEAD TIME: APPROXIMATELY 5-7 WORKING DAYS

 

Graf Carat Installation Manual

Graf Technical Set Garden Submerge

Graf UNIVERSAL-FILTER 3 Intern


Specifications:

Specification Value
Model G70075
Maximum Capacity 2700L
Dimensions (L x W x H) 2080 x 1565 x 1400 mm
Weight (Empty) 120 kg
Tank Design Life 50 Years
Tank Warranty 15 Years

 


Need help selecting the right system? Call our expert team on 01388 537 050 or email us with your requirements – we’re happy to help.

SKU:TANRAINGRA011

Graf UK Standard Dropship Terms & Conditions


Delivery Charges

All prices include for delivery to site on UK mainland unless otherwise stated.

Please check for deliveries into Cornwall, Mid & Northern Scotland & Isles, IOW & IOM as additional delivery charges may be applicable.


Delivery Access

We generally deliver on our own vehicles, 6mtr sprinters.

However, we do use external hauliers who may deliver on larger vehicles.

Please ensure, if there are any site restrictions e.g. restricted access, specific time frames for deliveries, that we are informed when delivery date is confirmed.


Off-Loading

Off-loading by the customer unless agreed otherwise. Tanks 1500L-7500L are generally strapped to a pallet for forklift off-load, slings can also be used. Larger tanks - forklift off-load (subject to tank length), slings can also be used.

Please ensure site has offload facilities on the advised delivery date.

Moffit off-loading can be arranged at additional cost, please request details.


Re-Scheduling Delivery Date

A minimum 48 hours’ notice before specified delivery date is required to cancel and reschedule the delivery.

Otherwise, charges may apply.


Date & Time Of Delivery

Delivery lead time is 5-7 working days from receipt of payment on all orders unless otherwise advised.

We will email you confirmation of delivery date.

Delivery by Graf UK will arrive between 7am-5pm.

The delivery driver will call you before arrival to advise ETA.

We cannot advise an ETA, only the driver can advise when he/she calls.


Restocking charge

25% standard restocking charge.

Also transport costs for the original delivery would be deducted + collection cost.

Any credit would be subject to QA approval that the returned goods are in re-saleable condition. 

If you are unsure or need help we are here to help! Give our friendly team a call on 01388 537 050 or email sales@direct-drainage.co.uk

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