Rainwater tanks

Underground rainwater tanks - a full range of monolithic underground tanks for rainwater collection. The rainwater tanks are manufactured by rotational moulding, which ensures tightness for many years. The rainwater tanks in our range present different soil strengths and groundwater influences. We have rainwater tanks with capacities of 1,000l, 3,000l, 5,000l and even up to 70,000l.
 
Decorative rainwater tanks fit perfectly into the design of gardens and work well with smaller roof areas. To install the tanks, the rainwater collector must be matched to the diameter of the gutter and connected to the decorative tank. We have a range of different designs of decorative tanks, allowing you to match the shape, texture and colour to your own preferences.

Water distribution systems to the ground - are used when we need to transfer rainwater to the ground or protect the development system against excessive overflow after heavy rainfall (so-called emergency overflow).

The range also includes:

Drop Water Rainwater TankZestaw zbiornik na deszczówkę BarriqueZestaw zbiornik na deszczówkę Garden LakeZestaw zbiornik na deszczówkę Slim

Active filters

  • Brand: EKOROTO
  • Brand: Graf
DOWNPIPE SETTLER
  • -5%

Downpipe gutter settler

  • Undergutter settler with siphone and filter
  • Fits for gutter downpipes with a diameter of 75, 90 and 110mm
  • Available in black color
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Price
PLN171.77 Regular price PLN180.81
PLN139.65 tax excl
Lowest price: PLN180.81 -5%
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Eko infiltration well
  • -6%

Eko infiltration well

  • Drainage and disposal of rainwater and treated wastewater into the ground
  • Volume of 500 to 1,000 litres
  • Inspection opening 300 or 600 mm
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1 Review(s) 
Price
PLN629.78 Regular price PLN669.98
PLN512.02 tax excl
Lowest price: PLN636.48 -1%
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Rain Drop filter

Rain Drop filter

  • Underground filter for rainwater
  • Designed for roof surface max. 500 m2
  • Equipped with a basket filter
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1 Review(s) 
Price
PLN177.00
PLN143.90 tax excl
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Rainwater collector Speedy

Rainwater collector Speedy

  • Suitable for launders having a diameter of 70 to 105 mm
  • Set is equipped with a jigger saw to drill a hole
  • Flexible collector does not require cutting the gutter, just a small cut.
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Price
PLN215.25
PLN175.00 tax excl
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Set of infiltration tunnels - package of 2 tunnels
  • -10%

Set of infiltration tunnels - packages

  • Tunnel capacity 300 l
  • Packages for areas from 50 to 250 m2
  • Capable of carrying up to 40 t of vehicle traffic
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PLN608.85 Regular price PLN676.50
PLN495.00 tax excl
Lowest price: PLN676.50 -10%
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Universal external filter 400
  • -10%

Universal external filter 400

  • Universal underground rainwater filter
  • Version for pedestrians traffic or cars traffic
  • Cartridges of 0.35 mm flow diameter
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PLN1,693.71 Regular price PLN1,881.90
PLN1,377.00 tax excl
Lowest price: PLN1,806.62 -6%
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Rapido Quattro Collector

Rapido Quattro Collector

  • Fits square downpipes measuring 90x65mm
  • Installation without dismantling the rainwater downpipe
  • Summer and winter mode
  • Roof area max. up to 50 m2
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Price
PLN202.95
PLN165.00 tax excl
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DRAINING TUNNEL
  • -5%

Graf drainage tunnel

  • Polyethylene tunnels with perforated walls, capacity 300 l
  • Can be connected at the bottom 
  • Drainage of water or treated sewage into the ground
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Price
PLN231.36 Regular price PLN243.54
PLN188.10 tax excl
Lowest price: PLN228.93 +1%
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Closing plates for Graf tunnel

Closing plates for Graf tunnel (pair)

  • Locking plates for Graf tunnels
  • Set of 2 closing plates (pair)
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Price
PLN115.62
PLN94.00 tax excl
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Jumbotank rain cover

Jumbotank rain cover

  • Polyethylene cover
  • Diameter 760mm
  • Compatible with Jumbotank
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PLN614.00
PLN499.19 tax excl
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DropWater rain cover

DropWater rain cover

  • Diameter 640mm
  • Compatible with DropWater tanks
  • Polyethylene cover
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PLN434.00
PLN352.85 tax excl
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Lanzarote rainwater tank 300L
  • -3%

Lanzarote rainwater tank 300L

  • Rainwater tank with base and polyethylene tap
  • Above-ground rainwater storage tank, capacity 300 l
  • High-quality polyethylene, resistant to adverse weather conditions
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Price
PLN465.31 Regular price PLN479.70
PLN378.30 tax excl
Lowest price: PLN930.62 -50%
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OG superstructure

OG superstructure

  • Superstructure septic tank ECO and WATER
  • Designed for EKO STANDAR, EKO TUNEL and WATER treatment plants
  • Height 20 or 35 cm
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Price
PLN202.95
PLN165.00 tax excl
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Filling sieve with crossbar

Filling sieve with crossbar

  • Cleaning sieve to be placed inside the tank
  • Mesh diameter of screen 0.35 mm
  • Recommended for catchment areas of up to 200 m2
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Price
PLN362.85
PLN295.00 tax excl
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Rainwater tank Siena 300 L
  • -3%

Rainwater tank Siena 300 L

  • Decorative rainwater tank with stand and polyethylene tap
  • Capacity 300 l
  • Resistant to adverse weather conditions
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Price
PLN465.31 Regular price PLN479.70
PLN378.30 tax excl
Lowest price: PLN930.62 -50%
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SR Eko superstructure

SR Eko superstructure

  • Manhole extension: Eko Standard, Eko Tunnel, WATER
  • Inspection hatch superstructure: WATER, Rain Dorp Filter, Bolt 1000l
  • Outer diameter 33cm, height 21 or 35cm
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Price
PLN161.50
PLN131.30 tax excl
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SAHARA 300 and 520L
  • -3%

Sahara rainwater tank

  • Tank in beige with brown base
  • Capacities 300 l and 520 l
  • Polyethylene tap included
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1 Review(s) 
Price
PLN882.89 Regular price PLN910.20
PLN717.80 tax excl
Lowest price: PLN882.70 0%
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Mini Bolt rain cover

Mini Bolt rain cover

  • Diameter 300mm
  • Polyethylene cover
  • Compatible with the Bolt 1000 tank
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Price
PLN231.00
PLN187.80 tax excl
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Bolt rain cover

Bolt rain cover

  • Diameter 500mm
  • Compatible with Bolt tanks 2500 - 7000 l
  • Polyethylene cover
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Price
PLN375.00
PLN304.88 tax excl
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Tunnel connectors (set of 6)

Tunnel connectors (6 pcs)

  • 6 pieces in a set
  • compatible with Graf tunnels
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Price
PLN30.75
PLN25.00 tax excl
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Rainwater tank Round 210L

Rainwater tank Round 210L

  • Rainwater tank in the garden
  • Volume of 210L
  • Resistant to adverse weather conditions
  • Complete with stand and plastic tap
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PLN258.30
PLN210.00 tax excl
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Rainwater tank Square
Zielony Graphite

Rainwater tank Square

  • Rainwater tank 300 or 520 l
  • With tap or optional with stand
  • Polyethylene resistant to adverse weather conditions and UV radiation
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PLN455.10
PLN370.00 tax excl
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Arondo 250 L rainwater tank

Arondo 250 L rainwater tank

  • Rainwater tank with a capacity of 250 l
  • Equipped with a tap and removable cover
  • Graphite-coloured
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PLN836.40
PLN680.00 tax excl
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Supra filter set

Supra filter set

  • Complete system for underground tanks 
  • Filter, calmed inflow, siphon, connection 
  • Suitable for roof areas of up to 350 m2
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PLN2,232.45
PLN1,815.00 tax excl
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Rainwater tanks contribute not only to savings on tap water, but also have a huge impact on the protection of the environment and water resources. Local water retention enables later use of rainwater, protection of investment against flooding and irrigation of areas during periods of drought.

The Aquatechnika store offer is the perfect place to buy a rainwater tank. We guarantee delivery throughout Poland - Warszawa, Kraków, Wrocław, Poznań, Szczecin, Lódź, Katowice, other and foreign deliveries. In our offer you will find products of renowned world brands and Polish producers at attractive prices. The range of products includes tanks from 1000l to 75000l capacity, as well as large commercial installations on an individual request. Before making your selection, we invite you to check attractive offers and contact advisers. We offer the lowest prices and the opportunity to negotiate.

FAQ

What is the largest capacity of a rainwater tank?

We have a wide range of rainwater tanks. The shop offers tanks with a capacity of up to 30 m3. It is also possible to order larger volumes on individual request.
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Are polyethylene tanks durable?

Plastic - polyethylene - is a material that is widely used in the industry. It is characterised by its high resistance to adverse external conditions. It does not corrode or fade when exposed to UV radiation. It is also resistant to mechanical damage. This makes the tanks airtight and very durable. This guarantees many years of trouble-free operation.
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Can the tanks be installed in drivable ground?

This is possible if a suitable retrofit for the specific tank is used. For this purpose, a concrete band should be constructed to relieve the pressure on the rainwater tank. This will reduce the pressure on the walls to acceptable values. Special covers and extensions for vehicle traffic are also dedicated to the tanks.
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Can tanks be installed in ground water?

Yes, but only selected models of rainwater tanks. Special variants of flat tanks are dedicated to unfavourable ground-water conditions: Octagon, Neo, F-Line. Such rainwater tanks can be installed in ground water up to a set level, following the manufacturer's recommendations.
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Can tanks be installed in low permeability soils?

This is possible with specially designed flat rainwater tanks: Octagon, Neo, F-Line. They can be placed in heavy, impermeable soils (clay, silt and clay), following the manufacturer's instructions in the manual.
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Can a pump be put in the rainwater tank?

Yes, it is possible. When you equip a rainwater tank with a pump, you get a system for rainwater management. The shop offers ready-made sets for the use of rainwater in the garden as well as in the house and garden, with selected pumps.
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Does the water in the rainwater tank freeze?

This depends on the type of tank. In the case of an underground rainwater tank, the water does not freeze, as it is below the frost line. Above-ground tanks, on the other hand, have to be emptied during the winter because the freezing water could make the tank damage.
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Does the rainwater tank have to be cleaned?

It is accepted that rainwater tanks should be cleaned 1 to 2 times a year. The dirt that accumulates during operation promotes the growth of bacteria, which are dangerous to health. Over time, the tank can fill with algae and gradually become overgrown. Special chemicals are used to clean the rainwater tank and then rinsed.
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Where to discharge the water from the emergency overflow?

The water from the emergency overflow should be infiltrated into the ground if the ground conditions allow it. In addition, the water can be discharged into a drainage ditch or other nearest watercourse.
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Do you have to take the pump out of the rainwater tank for the winter?

The pump should be removed from the above-ground rainwater tank, as the water freezes during the winter. Servicing can then be carried out, cleaning the pump and lubricating the working parts. In the case of underground rainwater tanks, it is not necessary to remove the pump, as it is below the frost line.
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What is the maximum depth at which rainwater tanks can be installed?

The installation depth depends on the specific model of rainwater tank, e.g. from 0.4 m - Bolt tank to 1.5 m - F-Line. The depth of the tank installation also depends on the depth of the inlet pipe. However, be sure to follow the manufacturer's recommendations.
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