1350SLRWH

1350 Litre Slimline Plastic Rainwater Harvesting Tank

Tuffa’s 1,350 litre slimline rainwater harvesting tank provides a heavy-duty, space-saving solution to collect and store free, nutrient-rich rainwater. Designed with a narrow footprint to fit through standard doorways and tight side passages, this tank is rotomoulded from seamless, UV-stabilised polymer for complete corrosion resistance and long-term durability.

Engineered with a 20-year design life and backed by a 10-year guarantee (when registered), each tank can be supplied as a standalone tank or equipped with specialised diverters, calmed inlets, and filtration kits to suit your site setup.

Configure your rainwater options below, or contact our sales team for technical advice and trade pricing.

Step 1: Rainwater Diverter*

Filter option 1: for a roof area up to 90m² Filter option 2: for a roof area up to 200m² Filter option 3: for a roof area up to 450m² Filter option 4: for a roof area up to 800m²

Step 2: Rainwater Harvesting Accessories*

Calmed Inlet 3P Uno Overflow Siphon

Step 3: Tank Linking & Accessories*

Tank Linking Kit 1" Ball Valve None

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Up to 10 Year Warranty

1350 Litre Slimline Plastic Rainwater Harvesting Tank Dimensions

Capacity (Ltrs) 1350
Length (mm) 2060
Width (mm) 670
Height (mm) 1440

specification

Standard Outlets: 1″ BSP female bottom outlet
Inspection Access: 8″ inspection hatch with sealed cover
Venting: Screened vent
Warranty: 10-Year Guarantee (upon registration) with 20-Year Design Life

Visuals are for guidance only; final product specification may vary based on selected options.

key benefits

Space-Saving Design: Ultra-slim width of just 670mm makes it ideal for tight spaces, side paths, and restricted site access.
Weatherproof & Maintenance-Free: Rotomoulded, seamless construction ensures complete structural integrity without joints that can leak or corrode.
Mains Water Savings: Cuts reliance on mains water by harvesting rainwater for vehicle washing, garden irrigation, and commercial washdowns.
Expandable Capacity: Easily interlinked with additional Tuffa tanks to create larger storage volumes as demand grows.
UK Manufactured: Designed, engineered, and tested in-house at our works in Staffordshire.

options

Rainwater Harvesting Accessories

- Rainwater Filters & Diverters:
  - Filter Option 1: (Roof areas up to 90m²)
  - Filter Option 2: (Roof area up to 200m²)
  - Filter Option 3: (Roof area up to 450m²)
  - Filter Option 4: (Roof area up to 800m²)
- Calmed Inlet: (DN100/125) to prevent sediment disturbance.
- Overflow Siphon: 3P Uno Overflow Siphons to skim surface water and debris.