Portable And Installed Water Makers
Rainman Watermakers
A fresh approach to saltwater desalination.
Rainman Watermakers are a compact system designed to generate a fresh potable water supply from seawater. They can be installed in a minimum footprint configuration or kept portable for maximum flexibility. We use only top quality components in the build process from the best manufacturers: Honda, General Pump, Filmtec, and Noshok. Our filters, membranes and replacement parts are non-proprietary for ease of service worldwide.
Water Maker Comparison
At A Glance
Rainman offers three main power sources for our watermakers. AC electric, petrol (gasoline), and 12VDC electric. This table compares the specifications between the various options. Keep in mind there are different options for reverse osmosis (RO) units, so the fresh product water output depends on which one you choose.
| AC Electric | Petrol (Gasoline) | 12VDC Electric | |
| Product Water Output Expectations | |||
| RO – High Output (2 x Filmtec SW30-2540) | 100 – 140 lph 26 – 37 gph | 100 – 140 lph 26 – 37 gph | Not Available |
| RO – Compact (2 x Filmtec SW30-2521) | 50 – 70 lph 13 – 18 gph | 50 – 70 lph 13 – 18 gph | Not Available |
| RO – Economy (1 x Filmtec SW30-2540) | 50 – 70 lph 13 – 18 gph | 50 – 70 lph 13 – 18 gph | 26 – 34 lph 7 – 9 gph |
| System Specifications | |||
| Configuration Options | Case or Naked | Case only | Case or Naked |
| Control Panel | Optional | Not Available | Optional |
| Autoflush | Optional | Not Available | Optional |
| Power Source | 230VAC / 50Hz 115VAC / 60Hz | Petrol (Gasoline) | 12V DC |
| Power Use | 1,250 Watts | 700ml Fuel / 70 Minutes | 410 Watts |
| Current Draw | 6 Amps (230V) 12 Amps (115V) | nil | 32 Amps |
| Motor Type | 1.5HP TEFC induction | Honda GXH50 (4 stroke) | Permanent magnet TEFC DC |
| Plug Type | USA – NEMA 5-15 Europe – CEE 7/7 Australia – AS/NZS 3112 UK – BS 1363 | n/a | Anderson style |
| Power Cord Length | 3 metres (10 ft) | n/a | 1.4 metres (4.5 ft) including battery connectors |
| Subjective Sound Level | Loud hum | Slightly quieter than Honda 2kVA generator (under max load) | Soft hum |
| Measured Sound Level 6 Metres in Open Lot | 62dB | 73dB | 58dB |
| Integrated Lift Pump | Flexible impeller | Flexible impeller | Flexible impeller |
| High Pressure Pump | General Pump WMR Series | General Pump WM Series | General Pump WMR Series |
| Operating Pressure | 55 bar (800 psi) | 55 bar (800 psi) | 55 bar (800 psi) |
| Pressure Relief Valve | Interpump 316SS/Ceramic | Interpump 316SS/Ceramic | Interpump 316SS/Ceramic |
| Prefilter | Single 5 micron pleated | Single 5 micron pleated | Single 5 micron pleated |
| Permeate Flow Meter | 0 – 150 lph (40 gph) variable aperture | 0 – 150 lph (40 gph) variable aperture | 0 – 40 lph (11 gph) variable aperture |
| Intake Hose Length | 5 metres (16 ft) | 5 metres (16 ft) | 3 metres (10 ft) |
| Vertical Water Lift | 2 metres (6 ft) | 2 metres (6 ft) | 2 metres (6 ft) |
» AC Watermaker Details » Petrol Watermaker Details » 12VDC Watermaker Details
