Watermakers / Custom Systems
Custom and commercial systems
If our standard units don't fit your space or the volume you need, we build a reverse osmosis system to your specification, for boats and for isolated land sites.
Priced on application
Case Studies
Boats and sites our standard units don't cover.
Commercial and cruise vessels
- The Ipipiri, Bay of Islands. This cruise ship runs two of our 240 L/h systems. Making its own fresh water let the ship switch its onboard toilets from seawater to fresh water, which removed the stale seawater smell.
- Extreme latitudes. Open Ocean systems run on commercial and private vessels in extreme environments, including the Arctic, with pre-filtration set up for heavy plankton blooms and sub-zero temperatures.
Land-based and humanitarian projects
- Pacific Island resorts. Portable and permanent plant-room systems that keep fresh water flowing through severe dry seasons.
- Humanitarian aid, Vanuatu. A custom system operating in Vanuatu for the New Zealand Children's Health & Education Trust.
- Disaster relief. A rugged portable unit built to make the fresh water needed to mix concrete for disaster-relief shelters in the Pacific Islands. Watch the video.
Heavy-Duty Capability
Scaled up for commercial volumes.
For high-volume commercial and industrial projects, we use larger pumps and membranes than our cruising systems. Commercial pumps are driven by heavy-duty 3-phase AC motors or directly from an engine's power take-off, and extra-high-flow systems use large-format 4-inch (100mm) membranes.
15.9 L/min
Standard high-pressure pump flow
28.8-45.4 L/min
Commercial-grade pump flow
345 L/h
8,280 litres per day
600 L/h
14,400 litres per day
Dual High-Pressure Pumps
Two pumps, one simple system.
We can configure or retrofit a system with two high-pressure pumps, for example an engine drive added to an existing 240V AC system, for redundancy offshore.
Other Systems
Not quite the right fit?
Engine-Driven
Mechanical clutch drive
80-240 L/h off your main engine or generator. From NZ$11,880 + GST.
See system → AC · 120/240VDirect-coupled electric
80-240 L/h for boats with a 4.5kW+ generator. From NZ$13,090 + GST.
See system → DC High-Output · 12/24VBrushless DC motor
70 L/h from solar, alternator or battery. From NZ$14,960 + GST.
See system → Land-BasedOff-grid property systems
80 L/h and up for remote homes and lodges. Priced on application.
See system →Not sure which system fits your boat?
Tell us about your boat, how it's powered and how much water you use. Pete will point you at the right setup.