Solarmaax World 340GPD 12/24 Volt Marine Watermaker



  • Extremely quiet
  • Super High output Product Water
  • Highest quality drinking water
  • Compact with a single 40″ Membrane
  • Auto Flush and Timed Re-Flush
  • Remote Panel With gauges and Control Switches
  • Can Operate In a Wider Range of Seawater Temperature and Salinity
  • Easy to Maintain
  • Very easy to install electrically and mechanically even for the DIY
  • Super lightweight
  • Most energy efficient water maker to date, 21 D.C. amps at 12 Volts generates 340 Gallons Per Day
  • No proprietary consumables
  • Military-grade components utilizing Titanium components in critical areas allowing higher pressure resulting in higher output
SKU: WM-340GHD-World-12V


Explore the amazing capabilities of the Solarmaax 340 GPD (gallons per day) / 1270 LPD (liters per day) World 12/24 V, an ideal solution for boat and yacht owners who are serious offshore racers and cruisers. This watermaker is celebrated for its lightweight frame, ease of installation, and reliability, making it a robust choice for the demanding marine environment.

Designed with dual diaphragm feed pumps that can be operated either singularly for superior efficiency or together for maximum output, the Solarmaax is as versatile as it is powerful. It incorporates a hydraulic enhanced Clark Pump intensifier and energy recovery system, pioneering new standards for maximum efficiency in the watermaking process.

Thanks to its ultra-low power consumption, this unit can be efficiently powered by solar panels, wind energy, or any Electromaax high-output marine alternator. The enhanced Clark pump’s extended cylinders ensure that this system is one of the quietest on the market. Each unit comes with a complete installation kit, handheld salinity sensor, automatic flushing system, and a product sample valve, all designed to optimize and enhance your watermaking experience.

The Solarmaax 340 GPD is tailored for those who demand the utmost in energy efficiency and water quality, utilizing 40” membranes to deliver the best drinking water while conserving energy. Perfect for yacht and boat enthusiasts seeking a high-capacity watermaker without compromise.

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Product Manuals


Product Specifications


Electromaax has a full 12 month limited warranty on ALL its enhanced Clark pumps. Other companies can charge more than $1,600.00 U.S.D for a rebuilt older Clark pump (under warranty more if out of warranty) and as high as $3,900.00 plus tax and shipping for a new one.

If properly maintained most Clark pump intensifiers will last decades, however sometimes though various circumstances beyond the owners control, they may need rebuilding. Electromaax now offers a 9 year extension for just $887.00 USD plus shipping both ways. This warranty extension is a type of insurance against forgetting to flush when left for months or years.

Electromaax Enhanced Clark Pump Warranty Rebuild Exchange Program

Have your Electromaax, high pressure “Enhanced Clark Pump” rebuilt or even exchanged by The Electromaax Factory.

Exchange program process 12 or 24 volt systems

– Once you receive a RMA, please Send us your enhanced Clark Pump to either Electromaax Canada or USA address

The factory will send you out at their discretion a rebuilt OR new pump. You only pay the shipping from either location back to you. The current turnaround time is 72 hours after receipt of your unit and acceptance that it meets the warranty conditions.

– The exchange pumps are in stock and as long as your returned Enhance Clark pump is 100% intact with no missing components. (if there are missing components the factory will quote fitting new ones)

– We will help you with any questions/concerns you may have when reinstalling the enhanced Clark pump.

For clients that are out of warranty, or not covered by any extended warranty we can rebuild or exchange any enhanced Clark pump for $1,555.00 USD (time of writing May 2023) this price may change without warning. The client pays any duties and taxes plus the shipping both ways.

Your Enhanced Clark pump MUST be 100% intact with no missing components, if you’re sending it in for rebuilt or even exchange. Again if there are missing components we will quote installing replacement ones.


The warranty is voided by, but not limited to the following:

  • Using chemicals not supplied by or certified by Electromaax
  • Improper installation or operation
  • Be 100% intact with no missing components
  • You can only return the unit twice in the 9 year period

If you have any questions or concerns about the standard or extended 9-year Extended warranty of your system please contact us.