Rainman Portable 48VDC 140L vs Water Makers Australia Performance Triple 200L · 12V feed
Performance Triple 200L · 12V feed costs 1.2× less energy per litre (8.1 against 9.8 Wh/L). Performance Triple 200L · 12V feed makes 1.6× the water per hour (200 against 127 L/hr). Portable 48VDC 140L is about $2,941 cheaper on indicative pricing.
One side of this comparison rests on a reported figure. Water Makers Australia Performance Triple 200L · 12V feed is published by the manufacturer and corroborated across independent lookups, but we have not yet read the figures page-in-hand the way we have for the rest of the table. The comparison is shown because it is still the best available, not because it is settled. Nameplate estimate: 1.5 kW high-pressure motor rating plus 110 W feed pump. This is not measured total running draw; the motor rating may describe shaft output rather than electrical input. How we source figures.
| Spec | Portable 48VDC 140L | Performance Triple 200L · 12V feed |
|---|---|---|
| Brand | Rainman | Water Makers Australia |
| Output | 100–154 L/hr | 200 nominal L/hr |
| Power draw | 1,250 W | 1,610 W |
| Energy per litre | 9.8 Wh/L | 8.1 Wh/L |
| Run time for 100 L | 0.8 h | 0.5 h |
| Energy for 100 L | 984 Wh | 805 Wh |
| Power source | 48V DC | AC 240V |
| Configuration | Portable | Modular |
| Membranes | 2 × 40in | 3 × SW30-2540 |
| Indicative price | $6,240 | $9,181 |
| Efficiency rank | 12 of 34 | 8 of 34 |
Highlighted cells mark the better figure on that row alone. Lower is better for energy, run time and price; higher is better for output.
Buy the Portable 48VDC 140L if…
The purchase price matters more to you than the running cost; you want to lift the whole thing off the boat between trips.
Get a quote on the Portable 48VDC 140LBuy the Performance Triple 200L · 12V feed if…
Your boat runs on solar and every watt-hour is spoken for, because this is the cheaper litre to make; you want tanks full in the shortest possible run, or you have a genset that is going to run anyway.
Get a quote on the Performance Triple 200L · 12V feedCommon questions
- Which is more efficient, the Portable 48VDC 140L or the Performance Triple 200L · 12V feed?
- The Performance Triple 200L · 12V feed, at 8.1 watt-hours per litre against 9.8. Over 100 litres a day that is a difference of about 179 Wh.
- Which makes more water, the Portable 48VDC 140L or the Performance Triple 200L · 12V feed?
- The Performance Triple 200L · 12V feed, at 200 L/hr against 127. That is 1.6 times the output per hour running.
- Which is cheaper?
- On indicative pricing the Portable 48VDC 140L at $6,240, about $2,941 less than the other. Both figures exclude freight, duty and installation, and Australian dealer pricing normally reads higher.