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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

Tap with external thread ¾ " chrome
  • -5%
Brass Chrome

Tap with external thread ¾ "

  • A tap with an external thread 3/4``
  • Designed for decorative tanks for rainwater
  • Available in two colors, chrome or brass
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Price
PLN112.32 Regular price PLN118.23
PLN91.31 tax excl
Lowest price: PLN117.50 -4%
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Connection set collector-tank
  • -5%

Connection set collector-tank

  • Easy connection, tank with rainwater collector
  • 25cm long hose
  • Available two different hose diameters 25mm and 32mm
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PLN71.99 Regular price PLN75.78
PLN58.53 tax excl
Lowest price: PLN75.50 -5%
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Ecoline Premium cover black
  • -5%
Green Black

Ecoline Premium cover

  • Compatible with EcoLine II and SlimTank
  • Diameter 600 mm
  • Polyethylene in black and green
  • Suitable for pedestrian traffic
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PLN367.65 Regular price PLN387.00
PLN298.90 tax excl
Lowest price: PLN333.45 +10%
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KRANIK Z GWINTEM ZEWNĘTRZNYM 3/4"
  • -5%
Brass

Tap with 1/2 " male thread

  • Tap with 1/2" male thread
  • For decorative tanks
  • Tap in brass
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PLN99.70 Regular price PLN104.94
PLN81.05 tax excl
Lowest price: PLN99.27 0%
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RAINWATER TANK BOLT 1000
  • -8%

Bolt rainwater tank with filter

  • Underground rainwater tank
  • Equipped with a rainwater filter
  • Capacities from 1000 l to 3500 l
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2 Review(s) 
Price
PLN1,239.24 Regular price PLN1,347.00
PLN1,007.51 tax excl
Lowest price: PLN1,144.95 +8%
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Garden Lake rainwater tank 200L
  • -5%

Garden Lake rainwater tank 200L

  • Decorative rainwater tank
  • Rainwater tank, capacity 200 l
  • Tank equipped with a stand
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PLN315.40 Regular price PLN332.00
PLN256.42 tax excl
Lowest price: PLN315.50 0%
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Geodek Drainage Box

Geodek 235L infiltration box

  • Drainage and discharge of rainwater
  • Discharge of treated wastewater into the ground
  • Capacity 235 l
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2 Review(s) 
Price
PLN190.65
PLN155.00 tax excl
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Basket filter
  • -5%

Basket filter

  • Rainwater filter baskets suitable for house systems
  • Suitable for underground rainwater tanks
  • Ideal for roof areas up to 350m2
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PLN323.00 Regular price PLN340.00
PLN262.60 tax excl
Lowest price: PLN322.53 0%
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Connection set with hand drill
  • -5%

Connection set with hand drill

  • Easy connection, tank with downpipe
  • Hose length 25 cm, set equipped with a hand drill
  • Available two different hose diameters 25 mm and 32 mm
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PLN105.34 Regular price PLN110.88
PLN85.64 tax excl
Lowest price: PLN110.50 -5%
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RAIN COLLECTOR WITH TAP
  • -5%
Brown Grey

Rainwater collector with filter and valve

  • Rainwater collector equipped with a filter and valve
  • Collects water from the roof areas up to 50 m2
  • Suitable for gutters with a diameter from 68 to 100mm
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PLN172.90 Regular price PLN182.00
PLN140.57 tax excl
Lowest price: PLN137.65 +26%
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Barillo rainwater barrel 120 l

Barillo rainwater barrel

  • Rainwater barrel with tap and base
  • Available in capacities of 120 l, 240 l, 350 l and 500 l
  • True wood imitation
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Price
PLN668.00
PLN543.09 tax excl
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Draining tunnel Becker 320L
  • -5%

Draining tunnel Becker 320L

  • 320 litre capacity tunnels
  • Possibility of foundation in the driving area
  • Made of polyethylene, yellow
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1 Review(s) 
Price
PLN136.71 Regular price PLN143.91
PLN111.15 tax excl
Lowest price: PLN135.28 +1%
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Basket filter with inlet
  • -5%

Basket filter with inlet

  • Rainwater basket filter
  • Ideal for underground, flat tanks
  • Ideal for roof areas up to 350 m2
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Price
PLN444.60 Regular price PLN468.00
PLN361.46 tax excl
Lowest price: PLN444.22 0%
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Aqua-Pro kit 3/4" for rainwater tanks - Draining and collecting rainwater
  • New

Aqua-Go kit 3/4" for rainwater tanks

  • Diameter ¾", hose length 2 m
  • Indicates filling level
  • For above-ground tanks
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0 Review(s) 
Price
PLN104.55
PLN85.00 tax excl
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Rainwater storage tank set Roma B 1000 l with pump EKJ
  • -5%

Roma B rainwater tank set with pump

  • Gray tanks
  • Capacity 1000 and 2000 l
  • EKJ-802S pump, tap, drain hose included
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PLN3,350.65 Regular price PLN3,527.00
PLN2,724.11 tax excl
Lowest price: PLN3,154.00 +6%
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Rainwater collector with water filter and connection kit brown
  • -5%
Brown Grey Black

Rainwater collector with water filter and...

  • Collector equipped with stainless steel filter and closing valve
  • Color brown, grey, black
  • Roof area max. 70 m2
  • A combination of a rainwater collector with a 25 cm long and 32 mm diameter tank
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1 Review(s) 
Price
PLN506.35 Regular price PLN533.00
PLN411.67 tax excl
Lowest price: PLN448.40 +13%
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Barillo tank stand
  • -5%

Barillo tank stand

  • Barillo tank stands
  • Color: dark brown, height 30-32 cm
  • Faithful imitation of wood
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Price
PLN397.10 Regular price PLN418.00
PLN322.85 tax excl
Lowest price: PLN475.03 -16%
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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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