Water we're in our element

The core areas of INTEWA GmbH are water treatment of rainwater and greywater as well as
stormwater management. In our store you will find detailed information on all our products in the commercial and
single-family home sector as well as ready-made system solutions.

Current Hot Topics

Here you will find our highlights of the month for the areas of rainwater harvesting and infiltration.

NUVOS 45S inverter pump
Expected to be available from August 2025
  • max. 3.2 bar / 4.5 m³/h
  • multistage centrifugal pump
  • speed control with permanent magnet motor and inverter technology
  • low energy consumption with VFD technology
  • adjustable, constant working pressure 
  • whisper-quiet operation - with “Sine Wave Noise Reduction” technology
  • maintenance-free & durable
  • dry-running protection
  • overheating and anti-frost protection
  • high-quality stainless steel design
  • self-priming
850
422,45 €
incl. VAT plus shippment
- 0%
422,45 €
Productdetails
NUVOS 110S inverter pump dual
Expected availability: August 2025
  • redundant two-pump system
  • max. 4.5 bar / 11.0 m³/h
  • multi-stage centrifugal pumps
  • speed control with permanent magnet motor and inverter technology
  • low energy consumption with VFD technology
  • adjustable, constant working pressure 
  • whisper-quiet operation - with “Sine Wave Noise Reduction” technology
  • maintenance-free & durable
  • dry-running protection
  • overheating protection 
  • anti-frost protection
  • high-quality stainless steel design
  • self-priming
855
3.123,75 €
incl. VAT plus shippment
- 0%
3.123,75 €
Productdetails
PURAIN filter DN100 with skimmer and non-return valve
  • patented, self-cleaning filter
  • with stainless steel trapezoidal gap sieve


981
316,83 €
incl. VAT plus shippment
- 0%
316,83 €
Productdetails
AQUALOOP direct, Ultra Filtration Unit
  • Low space requirement, no clear water buffer tank required
  • Direct filtration, robust, mechanical filter process
  • Very large membrane surface area of 18 m², therefore long service life and high flow rate
  • Simple installation, commissioning and operation
  • No chemicals required during operation
  • Simple, mechanical cleaning
  • Operation possible without electricity (geodetic pressure template)
3587
3.774,68 €
incl. VAT plus shippment
- 0%
3.774,68 €
Productdetails
AQUALOOP Greywater recycling 5,400 l/day
  • Pre-assembled and ready for connection
  • Treatment capacity 5400l/day 
  • NSF/ANSI 350-2014 Type C certification 
  • British Standard certification
3321
0,00 €
incl. VAT plus shippment
- 0%
0,00 €
Productdetails
beeRAIN Blonde Rainwaterbeer 24 x 0,33 Liter
  • Brewed from soft rainwater
  • Alc. 6,5 % Vol
  • 24 x 0.33 liters
  • Contains barley malt & gluten
  • Serve at 5°C
  • incl. packaging
4028
27,85 €
incl. VAT plus shippment
- 50%
55,69 €
Productdetails
PLURAFIT filter with filter basket, tank installation
  • the value for money rainwater filter
  • with connection for inlet calmer
  • without height offset
  • very large filter area
  • large collection volume
  • easy installation
  • easy extraction via extendable lifter
1122
60,37 €
incl. VAT plus shippment
- 0%
60,37 €
Productdetails
DRAINMAX Tunnel middle tunnel 1,600 liters, class SLW 60
  • Storage volume 1,600 liters
  • Load class SLW 60
  • DIBt approval
  • Washable floor
  • Best price per m³
  • Depending on system size and backfill material, approx. 0.6 m³ storage volume / m² installation area
  • Lowest possible transport/storage ratio with 3.3 m³/57.6 m³ per pallet (36 tunnels)
  • Extremely fast tunnel installation performance with > 20 m³/h
4120
355,81 €
incl. VAT plus shippment
- 0%
355,81 €
Productdetails
DRAINMAX System Stormwater Infiltration 40m³
  • Integrated pre-cleaning
  • DIBt certified up to 60 t
  • Cost-efficient transport
  • Digital remote monitoring with I-CON basis possible 
4264
8.633,99 €
incl. VAT plus shippment
- 0%
8.633,99 €
Productdetails
DRAINMAX System stormwater attenuation, 40m³
  • Integrated pre-cleaning
  • DIBt certified up to 60 t
  • Cost-efficient transport
  • Digital remote monitoring with I-CON basis possible 
4281
13.452,03 €
incl. VAT plus shippment
- 0%
13.452,03 €
Productdetails
DRAINMAX System water storage tank, 30m³
  • Integrated pre-cleaning
  • DIBt certified up to 60 t
  • Cost-efficient transport
  • Digital remote monitoring with I-CON basis possible 
4288
9.429,20 €
incl. VAT plus shippment
- 0%
9.429,20 €
Productdetails
DRAINMAX System capillary underground irrigation 10m³
  • Cooling the environment through evaporation
  • Water savings during irrigation
  • No pumping required by irrigating vegetation above the system using capillary rise
  • Additional crop yield Avoid flooding through retention
  • Cleaning of contaminated stormwater
  • Eligible for up to 80% of subsidies in some municipalities
  • Integrated pre-cleaning
  • DIBt certified up to 60 t
  • Cost-efficient transport
  • Digital remote monitoring with I-CON basis possible 
4294
5.090,96 €
incl. VAT plus shippment
- 0%
5.090,96 €
Productdetails

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INTEWA News

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Technical article about stormwater management

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Our AQUALOOP greywater recycling system has NSF 350C certification. But what exactly does that mean?

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