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F-Line Flat Underground Rainwater Tank - 7500L Blue Original Organics

F-Line Flat Underground Rainwater Tank - 7500L Blue Original Organics

by Original Organics

£4799.99
Prices updated 21 Jul 2026

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Product Description

The F-Line flat underground rainwater storage tank is a high quality, rotationally moulded, one piece rainwater collection system that can be installed without using concrete. Easy and quick to install, this tank can be installed into much higher water tables than a standard round water tank, therefore minimising costs with a smaller excavation pit and preserving your garden. This type of tank can utilise either a submersible or self-priming pumps. These tanks are ideal when you want to store a large amount of rainwater, if you don’t have the space above ground to accommodate the tank. There are no special requirements for installation of the tank, it needs to be level and is placed on a bed of Pea Shingle and the infill around the sides are also filled with the Pea Shingle. The tank shown is just indicative of the type of tank used. The actual tank will depend on site conditions and pricing. We are not responsible for determining if site conditions are suitable for an underground tank installation. The price includes - Tank, Walk on Manhole, 250mm Extension Shaft, Overflow Syphon, Calmed Inlet. Alternative pricing is available for Walk On Lid or Steel Cover Lids. A means of filtration should be included for the tank, for this we recommend the Gutter Mate Filter. The tank is also available in the following sizes (litres): 1500L 3000L 5000L The Tanks below include the following: Walk on Manhole, 250mm Extension Shaft, Overflow Syphon. Underground Rainwater Tank 7500 Litre: Length - 3340mm Width - 2310mm Height Tank Body - 1125mm Height including Entrance Shaft - 1415mm Height Pump Basin - 100mm Weight - 310kg Inflow - 325mm Overflow - 375mm Other tanks also available in this series Underground Rainwater Tank 1500 Litre: Length - 2400mm Width - 1200mm Height Tank Body - 650mm Height including Entrance Shaft - 1015mm Height Pump Basin - 100mm Weight - 80kg Inflow - 330mm Overflow - 385mm Underground Rainwater Tank 3000 Litre: Length - 2400mm Width - 2400mm Height Tank Body - 650mm Height including Entrance Shaft - 1015mm Height Pump Basin - 100mm Weight - 170kg Inflow - 330mm Overflow - 385mm Underground Rainwater Tank 5000 Litre: Length - 2960mm Width - 2220mm Height Tank Body - 920mm Height including Entrance Shaft - 1350mm Height Pump Basin - 100mm Weight - 250kg Inflow - 330mm Overflow - 385mm - Product Details: Root Catalog, Water Butts Direct Category, Capacity, Extra Large (560-30%2C000), Blue, Original Organics

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