DC/AC DUO AUTOMATIC 12 or 24V and 230 or 120V
Patented Model
Fresh water production up to: 60 or 100 litres/hour
Modular version with remote control panel.
Suitable for 10 to 15 metre motorboats and sailing yachts.
The world’s first dual-energy watermaker.
A single selector switch allows operation of the motor in 12V or 24V DC and 120V or 230V AC.
The DUO is an ingenious patented system.
This is the ideal watermaker for boats whose only available energy source comes from the alternator driven by the main engine.
It is also an ideal solution for boats equipped with a low-power generator.
Thanks to its modular design and low operating noise level, this watermaker can be easily installed without wasting valuable onboard space.
Advantages :
- Available in 12V or 24V DC and 230V or 120V AC
- Very compact modular design
- Brushless motor specifically optimized for use with lithium battery systems
- Suitable for confined spaces – no need to sacrifice valuable storage space
- Optimized energy efficiency
- High production capacity up to 30, 60 or 100 litres/hour
- Integrated automatic flushing system
- Quiet operation
- Easy to use and maintain
- Robust components for strength and reliability
Optional: micro-controller
The DUO AC/DC AUTOMATIC model is equipped with a motorized regulator.
The rise in pressure takes place automatically and remains stabilized in the right zone in order to obtain optimal production in all circumstances.
Thanks to this system, the motors engage independently from one another, without any electric clutch and without manual intervention on the pulleys. It is 100% reliable and safe, like all Dessalator products.
For more than ten years, the DUO 60 and DUO 100 have been installed as standard equipment by major boat builders and have become the preferred choice of experienced sailors. The advantage of the DUO is its “2-in-1” concept: it is like having two watermakers in one unit, allowing the most logical and efficient mode of operation.
For example, when there is no wind and the propulsion engine is running, 12V or 24V power is readily available. In this situation, DC operation is ideal:
- DUO 60 & DUO 100 : 450 W
At anchor, or when the generator is running, the watermaker can be operated on 230V AC.
Its low power consumption :
- DUO 60: 5 A
- DUO 100: 6,5 A
allows the battery charger to retain virtually all of its capacity for charging batteries and powering other equipment (for example, a water heater).
Supplied as standard
Dessalator products are supplied complete and comply with current CE standards:
- Intake strainer and through-hull valve
- Automated flushing solenoid valve
- 5-micron pre-filter for solid particles, supplied with filter wrench and equipped with a 3-way valve for manual flushing
- Circuit breaker or fuse holder, depending on model
- High-pressure tubing: 2 hoses and 4 special DESSALATOR® fittings
- Fresh water production tubing between the membranes and the control panel
DUO Automatic D60 - System Layout Diagram
DUO Automatic D100 - System Layout Diagram

DUO AC/DC series
DUO AC & DC
A dual-power watermaker with automatic pressure regulation for fresh water on board.

Designed for life on board
Fresh water, made simple
Choose between DC and AC power. The two motors operate independently.
Compact and modular
The separate components make installation easier in the available space on board.
Automatic regulation
The motorized regulator automatically adjusts and stabilizes pressure.
Ease of use
Quiet operation, integrated automatic flushing and easy maintenance.
DUO AC & DC Automatic
Specifications and equipment
Key points
- 12 or 24 V DC and 120 or 230 V AC power supply
- 60 or 100 litres/hour, depending on model
- Separate control panel
- Motorized automatic pressure regulator
- Brushless motor
Supplied complete
Seawater intake strainer and seacock, flushing solenoid valve, 5 micron prefilter, electrical protection and tubing.
Modular installation
Three components, designed to fit on board
Motor / pump unit
The heart of the system, designed for compact installation.
Control panel
Controls and indicators remain accessible on board.
Membrane unit
A separate unit for flexible positioning on board.
Technical documentation
Dimensions, diagrams and manuals
Find the documents you need to prepare your installation and use your watermaker.
↔DimensionsDrawings for D60 and D100+
DiagramsInstallation diagrams+
▤ManualsPDF documents+
Questions about DUO AC & DC Automatic ?
Our agents can help with your project.
Find a Dessalator agent →
DC & AC DUO series
DC & AC DUO
A dual-power watermaker with automatic pressure regulation for fresh water on board.

Designed for life on board
Fresh water, made simple
Choose between DC and AC power. The two motors operate independently.
Compact and modular
The separate components make installation easier in the available space on board.
Automatic regulation
The motorized regulator automatically adjusts and stabilizes pressure.
Ease of use
Quiet operation, integrated automatic flushing and easy maintenance.
DC & AC DUO Automatic
Specifications and equipment
Key points
- 12 or 24 VDC and 120 or 230 VAC power supply
- 60 or 100 litres/hour, depending on model
- Separate control panel
- Motorized automatic pressure regulator
- Brushless motor
Supplied complete
Seawater intake strainer and seacock, flushing solenoid valve, 5 micron prefilter, electrical protection and tubing.
Modular installation
Three components, designed to fit on board
Motor / pump unit
The heart of the system, designed for compact installation.
Control panel
Controls and indicators remain accessible on board.
Membrane unit
A separate unit for flexible positioning on board.
Technical documentation
Dimensions, diagrams and manuals
Find the documents you need to prepare your installation and use your watermaker.
↔DimensionsDrawings for D60 and D100+
DiagramsInstallation diagrams+
▤ManualsPDF documents+
Questions about DC & AC DUO Automatic ?
Our agents can help with your project.
Find a Dessalator agent →