Save space and collect free rainwater with our durable, below-ground systems. Hidden from sight, they protect water quality year-round and are ideal for new builds or retrofits. Each tank comes pre-fitted for quick installation and is backed by a long-term guarantee of up to 25 years.
Not sure which size you need? Use our Tank Size Calculator to find your ideal system.
Showing all 8 results
Price range: £1,073.00 through £1,497.00 Ex VAT
F-Line Flat Tank 1500 litre underground garden rainwater harvesting system tank. The unique F-Line flat shallow dig tank, supplied ready for use as a garden rainwater harvesting tank. Collect and store cooled rainwater for your valuable garden plants or build a kit for household use.
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This product has multiple variants. The options may be chosen on the product page
Trade and Self Build discounts available. Call 01733 405111
Price range: £1,570.00 through £1,999.00 Ex VAT
F-Line Flat Tank 3000 litre underground garden rainwater harvesting system tank. The unique F-Line flat shallow dig tank, supplied ready for use as a garden rainwater harvesting tank. Collect and store cooled rainwater for your valuable garden plants or build a kit for household use.
.
Select options
This product has multiple variants. The options may be chosen on the product page
Trade and Self Build discounts available. Call 01733 405111 Option 1
Price range: £2,164.00 through £2,606.00 Ex VAT
F-Line Flat Tank 5000 litre underground garden rainwater harvesting system tank. The unique F-Line flat shallow dig tank, supplied ready for use as a garden rainwater harvesting tank. Collect and store cooled rainwater for your valuable garden plants or build a kit for household use.
.
Select options
This product has multiple variants. The options may be chosen on the product page
Trade and Self Build discounts available. Call 01733 405111 Option 1
Price range: £2,639.00 through £3,088.00 Ex VAT
F-Line Flat Tank 7500 litre underground garden rainwater harvesting system tank. The unique F-Line flat shallow dig tank, supplied ready for use as a garden rainwater harvesting tank. Collect and store cooled rainwater for your valuable garden plants or build a kit for household use.
.
Select options
This product has multiple variants. The options may be chosen on the product page
Trade and Self Build discounts available. Call 01733 405111 Option 1
£1,697.00 Ex VAT
Graf Carat 2700 litre underground rainwater storage tank designed for installation below ground in commercial or residential premises.
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£1,978.00 Ex VAT
Graf Carat 3750 litre underground rainwater storage tank designed for installation below ground in commercial or residential premises.
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£2,190.00 Ex VAT
Graf Carat 4800 litre underground rainwater storage tank designed for installation below ground in commercial or residential premises.
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£2,636.00 Ex VAT
Graf Carat 6500 litre underground rainwater storage tank designed for installation below ground in commercial or residential premises.
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