The Evolution of Piston Pump Water Making

In 2006 Rich Boren began his journey in the Marine Watermaker world, when he built his own high-output piston pump watermaker for his family cruise aboard SV THIRD DAY, a 1978 Pearson 365 Ketch.  Rich started with the need to build a simple and reliable watermaker to keep his wife and two kids comfortable while cruising Mexico’s Sea of Cortez.  Word travels fast in the cruising fleet and before long other cruisers were first asking Rich to help them build their own and later to sell them a watermaker.  So, from an anchorage in the Northern Sea of Cortez, Rich founded and soon became famous for his customer support at Cruise RO. 

The Cruiser Services CS-40 piston pump watermaker, continues the evolution of piston pump watermakers with two decades of Rich’s real-world manufacturing , customer support and service experience.  All the small details and “system wants” Rich wanted to incorporate into his own watermaker over the years are now a reality and come standard.  With two decades of experience, years out cruising and living aboard, Rich knows what works and importantly what doesn’t work in the harsh marine environments. This allows Cruiser Services piston pump watermaker’s to have the Industry’s Best  4-Year Warranty, with complete 7-Day-A-Week technical support and service.

Product Water Flow Meter
Auto Flush Timer
TDS Automation 3Way Valve Relay
HP Pump Run Hours
Push Button Controls
Boost Pump Pressure
Membrane Operating Pressure
Membrane PSI Adjust

1.Product Water Flow Meter with easy-to-read scaling in GPH and LPH for accurate readout of the fresh drinking water production rate.

2.Automatic Fresh Water Flush Timer allows for a fully user programmable manual push-button or unattended freshwater flush of the watermaker.

3. Water Quality TDS Meter with Auto Diversion displays a real time read out of the drinking water quality while also controlling a 3-way valve to route the good drinking water TO or AWAY from your Ships tank based on user programmable set-points.

4.System Hour Meter displays the total operating hours of the high-pressure pump, which is useful for system maintenance.

5.Simple Control Switches allow for easy start-up and shutdown of the watermaker, as well as activating the Automatic freshwater flush and Automatic product water diversion and freshwater system priming.

6.Boost Pump Pressure Gauge assures that the Hp Pump is being supplied with an adequate supply of sea water and lets you know when it’s time for a prefilter change.

7.Membrane Pressure Gauge is used to display the system operating pressure of the RO Membranes.

8.Membrane Pressure Control Valve is used to set the operating pressure of the RO Membranes to optimize fresh drinking water production for sea water conditions and power usage.

All Rights Reserved – Cruiser Services LLC 2026

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