The WISY rainwater storage tank is optimally shaped to carry pressure loads. Manufactured seamlessly in one piece, it remains water tight.
When gravel is poured into the excavation, the rainwater storage tank is automatically load-bearing underfilled.

Basic equipment

The basic equipment includes the following components:
  • Rainwater storage tank with 5,500 litre storage volume
  • Anti-slip plastic lid, carries vehicles with 600 kg wheel load
  • Three DN 100 connection holes with seals and blind plugs
  • Two stable lifting eyes

Functional equipment LineAr

In addition to the basic equipment, the functional equipment LineAr also includes:
  • Rainwater filter LineAr 100 K
  • Smoothing Inlet made of stainless steel
  • All pipes from water inlet to overflow / sewer connection
  • Ready-to-plug-in system, completely piped, all components pre-assembled

Functional equipment WFF

In addition to the basic equipment, the functional equipment WFF also includes:
  • WFF 100 vortex fine filter, special version with freely rotatable direction of the rainwater inlet pipe. It has the filter insert of the WFF 150
  • Multisiphon with vermin guard and backflow protection
  • Smoothing Inlet made of stainless steel
  • All pipes from water inlet to overflow / sewer connection
  • Ready-to-plug-in system, completely piped, all components pre-assembled

WISY rainwater storage tanks have a predefined construction height, which can, however, be changed by shortening the manhole or by attaching an extension pipe and thus adapted to the ground surface. The construction height can be shortened or extended by a maximum of 30 cm.

Special note: When installing the rainwater storage tank in the ground, always ensure that there is no groundwater

All dimensions (in mm) are subject to manufacturing variations. Pipe and lead-through dimensions always refer to the bottom of the pipe.

The installation and operating instructions for this product are only provided in German and English. By purchasing this product, you agree to this.

NOTE: The extension of the dome shaft for the rainwater storage tank is only recommended up to a maximum of 30 cm.

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Worldwide shipping

FREE SHIPPING WITHIN GERMANY FOR ORDERS OVER €50.

Once your order has been placed, you will receive a confirmation email informing you that our shipping team has received your order. Once your order has been processed, you will receive an email notification with your tracking information. Shipping costs will not be refunded in the event of a return. We ship with:

Parcel shipping Pallet delivery Delivery by forwarding agent Delivery by WISY AG

Stable and tight - guaranteed!

The WISY rainwater storage tank is optimally shaped to carry vertical pressure loads. The rainwater storage tank is seamlessly manufactured in one piece and remains leak-proof in the long term. We give you a 20-year guaranteeon the durability of the environmentally friendly polyethylene !

This stability makes the WISY cistern passable for cars. It can therefore be installed not only in the garden, but also under the garage driveway.

Even in adverse weather conditions, the anti-slip lid provides a safe surface. The lid of the rainwater storage is safe for children.

WISY Rain Reservoir Made in Germany

Easy handling on the construction site

Two stable lifting lugs facilitate handling on the construction site, for example with a small mini-excavator. The rainwater storage tank is is load-bearing supported by filling gravel into the excavation pit. Pipe penetrations with inserted seals simplify installation.

The wide dome shaft ensures easy access for inspection work.

4,5 m³ temporarily not available

Basic equipment

  • Anti-slip plastic cover, wheel load up to 600kg
  • Three DN 100 connection holes with seals and blind plugs
  • Two stable lifting eyes

Functional equipment LineAr Filter

In addition to the basic equipment, the functional equipment LineAr also contains:

  • Rainwater filter LineAr 100 K
  • smoothing Inlet made of stainless steel
  • All pipes from water inlet to overflow / sewer connection
  • Ready-to-plug-in system, completely piped, all components pre-assembled

Functional equipment Vortex Filter WFF

In addition to the basic equipment, the functional equipment WFF also includes:

  • WFF 100 vortex fine filter, special version with freely rotatable rainwater inlet and filter insert of the WFF 150
  • Multisiphon with vermin guard and backwash protection
  • Smoothing Inlet made of stainless steel
  • All pipes from water inlet to overflow / sewer connection
  • Ready-to-plug-in system, completely piped, all components pre-assembled
WISY rainwater storage tank
Made in Germany

Security

Anti slip surface in wet weather.

Reinigung

Warranty

We give you a 20-year guarantee on the durability of the material!

WISY Rain Reservoir Drawing

Simple Height adjustment

WISY rainwater storage tanks have a predefined construction height, which can easily be changed by shortening the manhole or by attaching an extension pipe and thus adapted to the ground surface. The construction height can be shortened or extended by a maximum of 30 cm.

Special note: When installing the rainwater storage tank in the ground, always ensure that there is no groundwater.

All dimensions (in mm) are subject to manufacturing variations. Pipe and lead-through dimensions refer to the bottom of the pipe.

The installation and operating instructions for this product are provided in German and English only. By purchasing this product, you agree to this.

fitting accessories

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Technical data

Dimensions
5,5 m³
Diameter A
2,350 mm
Tank height B 2.770 mm
Technical connection C 1,950 mm
Duct connection D 1.545 mm
Rainwater inlet E 2.155 mm
Weights
Basic equipment 250 kg
Functional equipment 280 kg