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Aquabox 350 Acuaplus

Aquabox 350 Acuaplus
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Aquabox 350 Acuaplus is ESPA’s advanced solution for buildings with low pressure or flow. With Acuaplus variable speed, multistage, centrifugal, submersible electric pump using the ESPA Speed Driver system.

It provides an efficient, competitive alternative to traditional pressure groups, getting rid of their typical pressure oscillations, complex mechanical designs and excessive power consumption. 

Aquabox is a compact pressurising unit of reasonable size, with integrated design and maximum energy efficiency, made up of two basic elements: an automatic, latest-generation ESPA pump and an accumulator tank. 

Advanced engineering with the combination of these two components provides an innovative unit that offers great convenience for the enjoyment of water, ensuring not only permanent availability (even when the supply is cut off) but also strong, constant, uniform pressure.

The 200-litre-capacity tank can be used as a reserve system if time restrictions are placed on the mains water supply. The outside includes the safety separation required to prevent the pollution of drinking water, in accordance with the EN 1717 standard.

Compact unit designed for pressurising and storing water in houses or commercial establishments, consisting of a plug & pump system properly assembled with all hydraulic and electrical connections made in the factory.

Specially recommended for areas in which the public water supply pressure is insufficient and to compensate for water restrictions.

Aquabox 350 Acuaplus Click on the image to download the pdf of the spare parts
Aquabox 350 Acuaplus

Click on the product name to see each model’s specific features
Series features Aquabox 350 Acuaplus:
  • Equipment
  • Drain connection: Yes
  • Drainage: Yes
  • Draining plug: Yes
  • Pressure gauge: Included
  • Tank: Included
  • Electrical characteristics
  • Electrical isolation: F Class
  • Motor type: Asynchronous
  • Protection rating: IP68
  • Regulation: Electronics
  • Reset: Automatic
  • Service factor: S1
  • Service type: Continuous
  • Manufacturing characteristics
  • Discharge connection type: Nut
  • Impeller type: Closed
  • Motor cooling: Water
  • Stages: Multi stage centrifugal pump
  • Suction connection type: Nut
  • Tank capacity (l): 215
  • Materials
  • Discharge body: Stainless steel AISI 304
  • Gaskets: NBR
  • Impeller/s: Stainless steel AISI 304
  • Mechanical seal: Aluminium-Graphite
  • Motor shaft: F114
  • Nuts and bolts: Stainless steel AISI 304
  • Pump shaft: AISI 303
  • Tank: PEHD
  • Usage limits
  • Liquid temperature (ºC): Min: 4 - Max: 35
  • Maximum no. of motor start-ups (start-ups/minute): 0,50
Name Language Format Size Download Favourite
Technical appendix Spanish .pdf 1.48 Mb f
Acuaria07N DXF 2D drawings .dxf 485.58 Kb f
Aquabox 350 instruction manual .pdf 890.45 Kb f
Aquabox 350 Acuaplus N spare parts .pdf 64.05 Kb f
Acuaria07N IGES 3D drawings .rar 1011.96 Kb f
Product portfolio .pdf 2.22 Mb f
Aquabox 350 catalogue English .pdf 1.11 Mb f


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