1600 Litre Rainwater Harvesting Tank System with Pump & Filter
Featuring two 800 litre slimline wall tanks, this modular rainwater collection system is ideal for homeowners looking to reduce mains water usage while creating an efficient and sustainable non-potable water supply for outdoor and household tasks.
Perfect for:
- Garden irrigation
- Car washing
- Window cleaning
- Driveway washdown
- Toilet flushing
- General outdoor water use
Its compact footprint makes it especially suitable for properties where space is limited but large-capacity rainwater storage is required.
Key Features
- Complete rainwater harvesting kit
- 1600 litre water storage capacity
- Slimline upright wall tanks
- Integrated rainwater filter and diverter
- Expandable modular tank system
- UV protected polyethylene tanks
- Suitable for domestic non-potable water use
- Compact footprint for restricted spaces
- Easy installation and future expansion
Space-Saving Slimline Tank Design
The included 800 litre upright wall tanks are designed with a narrow footprint of just 800mm x 600mm, allowing installation in locations where traditional large water tanks may not fit.
The slimline design enables installation:
- Along exterior walls
- Beside garages and sheds
- In side passages
- Inside plant rooms
- In basements
- Through standard doorways and staircases
When installed against a wall, adequate clearance should be left to allow for natural tank expansion when filled.
Expandable Modular Water Storage System
This modular rainwater harvesting system can easily be expanded in the future by connecting additional wall tanks using the included Tank-to-Tank Connector Kit.
Each tank features integrated 3/4” BSP brass threaded connection points, allowing straightforward interconnection, drainage, and accessory installation.
Ideal for homeowners or commercial users wanting scalable rainwater storage capacity.
Professional Automatic Garden Pump Included
The system includes a high-performance automatic Garden Steel Pump, designed for reliable non-potable water supply around the home and garden.
Pump Features:
- Automatic 4 bar pressure system
- Maximum flow rate: 50 litres per minute
- Powerful 0.8hp motor
- Stainless steel motor housing
- Fully waterproof IP68 construction
- Self-priming and submersible
- Carry handle included
- Multi-hose tail reducer supplied
Suitable for:
- Hose watering
- Garden irrigation systems
- Pressure washing
- Outdoor cleaning tasks
- Toilet flushing systems
Integrated Rainwater Filter & Diverter
The included Black 3P Filter Collector combines rainwater filtration and downpipe diversion in one compact unit.
Designed to fit most standard UK downpipes without modification, the filter system:
- Prevents leaves and debris entering the tanks
- Filters rainwater through a fine stainless steel mesh
- Automatically diverts overflow water back to the drain when tanks are full
- Requires minimal maintenance
Compatible with:
- 68mm to 110mm round downpipes
- 65mm to 75mm square downpipes
Durable UV Protected Water Tanks
Manufactured from heavy-duty 9mm thick UV-stabilised polyethylene, the wall tanks are designed for long-term outdoor use in all weather conditions.
Tank Features:
- Food-grade polyethylene construction
- UV protected for outdoor durability
- 3 x inset 3/4” brass threaded connections
- Anti-glug tap included
- Compact upright design
- Strong rotationally moulded construction
Available Tank Colours:
- Black
- Granite
- Sand
Please note: colours may vary slightly depending on screen settings and lighting conditions.
What’s Included
- 2 x 800L Upright Wall Tanks
- Plastic Anti-Glug Tap
- Wall Fixing Brackets
- Multi Holesaw Set
- Rubber Grommets
- Automatic Garden Steel Pump
- Non-Return Valve (NRV)
- Carry Handle
- Multi-Hose Reducer
- Pump-to-Tank Connector with Ball Valve
- Tank-to-Tank Connector Kit (25cm)
- 3P Filter Collector Rainwater Diverter
- Water Level Gauge
System Specifications
Why Choose This 1600L Rainwater Harvesting System?
This premium above-ground rainwater storage system offers a highly practical and efficient solution for sustainable water collection and reuse.
Combining compact slimline tanks, automatic pumping, advanced filtration, and modular expansion capability, the system is ideal for modern homes looking to reduce water bills and improve environmental sustainability.
Perfect for homeowners, gardeners, eco-conscious households, and professional installers requiring reliable above-ground rainwater storage.
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