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Under-sink reverse osmosis · direct flow

A2O Pure: pure water, and nothing else

A sleek under-sink reverse osmosis unit, tankless, powered by the biomimetic Aquaporin Inside® membrane. Purified water on demand, straight from the tap.

  • Tankless
  • Aquaporin Inside®
  • Leak detection
  • Automatic flushing
2.1 L/minfiltered water flow
> 90%salt rejection
65%recovery rate
A2O Pure reverse osmosis unit, matt white front with a2o logo

DIMM guarantees follow-up and supply

Aquaporin Inside® membranes, pre-filters, post-filters and replacement parts: DIMM provides technical follow-up for the A2O Pure and supplies all its consumables from its warehouses in Poperinge (BE) and Steenvoorde (FR). Your installations stay supported for the long term.

Design & use

Scandinavian minimalism under the sink

Matt white front, clean lines, compact format: the A2O Pure slips under the sink and goes unnoticed. It connects to a separate faucet or a 3-way faucet for purified water at the same point as mains water.

Its direct-flow design eliminates the storage tank: water is produced on demand, with no stagnation and therefore no risk of bacterial growth in a tank. A strong argument for customers who care about hygiene as much as the look of their kitchen.

Modern kitchen with the A2O Pure installed under the worktopFamily in their kitchen drinking water purified by the A2O Pure
Key features

Designed for safety and peace of mind

Direct flow, tankless

Purified water on demand, no stagnation, valuable space saved under the sink.

Multi-contaminant removal

High reduction of PFAS, pesticides, heavy metals, nitrates, hormones and micro-organisms.

Leak detection

A built-in leak detector protects the sink cabinet and the installation.

Automatic flushing

The membrane is flushed automatically to maintain its performance over time.

Quality measurement

The unit measures the quality of the water produced and indicates when filters need replacing.

Compact & quiet

315 × 203 × 427 mm, 53 dB: discreet integration in any sink cabinet.

Aquaporin Inside®

Filtration inspired by nature

Aquaporins are proteins found in the membrane of every living cell. Their role: let water through, and only water. Their discovery earned Peter Agre the 2003 Nobel Prize in Chemistry.

The Aquaporin Inside® membrane embeds these proteins in a thin rejection layer on a custom support. The result: fast, selective and energy-efficient reverse osmosis that reproduces nature's own filtration process.

As nature intended: pure water, and nothing else.

Diagram: aquaporin proteins embedded in the cell membrane let only water molecules through
Aquaporin proteins only let H₂O molecules through.
Inside the A2O Pure: three cartridges numbered 1, 2 and 3
Inside

3 stages, simplified maintenance

A booster pump feeds an 800 GPD reverse osmosis membrane, framed by a pre-filter and a post-filter. The numbered cartridges are accessible from the front.

  1. 1

    Pre-filter

    PP cotton + activated carbon: retains sediment, chlorine, tastes and odours, and protects the membrane.

    12 months or 4,500 L
  2. 2

    DWRO® Aquaporin Inside® membrane

    The heart of the system: removes dissolved salts and micropollutants by reverse osmosis.

    24 months or 7,000 L
  3. 3

    Post-filter

    Activated carbon: refines the taste of the purified water before the tap.

    12 months or 4,500 L
Technical data

A2O Pure specifications

Performance & feed water

Filtered water flow ¹
2.1 L/min
Membrane capacity
126 L/h (800 GPD)
Recovery rate ²
65% (2:1)
Salt rejection ²
> 90%
Feed water
Municipal tap water
Inlet temperature
5 to 25 °C
Inlet pressure
1 to 6 bar

Installation & equipment

Dimensions (W × D × H)
315 × 203 × 427 mm
Weight
8.57 kg
Connections (feed / pure / drain)
3/8, 1/4, 1/4 inch
Power supply
220 to 240 V AC, EU plug
Power consumption
95 W
Noise level
53 ± 1 dB
Leak detection · auto flush
Yes

¹ Flow tested at 25 °C; colder water reduces flow. ² Values depend on feed water pressure, temperature, TDS and hardness: filter life, flow, recovery rate and salt rejection vary with local water. The system complies with European health, safety and environmental legislation.

Installation

Quick to fit for installers

The A2O Pure installs under the sink on a cold mains water supply and a 230 V socket. For optimal performance, DIMM recommends a prior water analysis and, on very hard water, a softener upstream.

  • Connection to a separate faucet or a 3-way faucet
  • Compact format, cartridges accessible from the front
  • Quick filter replacement without removing the unit
  • Consumables and parts available from DIMM
A2O Pure installed in an under-sink cabinet, cartridges 1, 2 and 3 visible

A reverse osmosis unit supported for the long term

Membranes, filters, spare parts: DIMM guarantees follow-up and supply of membranes and replacement parts for the A2O Pure. Contact our team for consumable orders or technical advice.

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