Head to head · updated 5 September 2026

Schenker Zen 50 vs Schenker Zen 100

Zen 100 costs 1.2× less energy per litre (4.0 against 4.8 Wh/L). Zen 100 makes 2.0× the water per hour (100 against 50 L/hr). Zen 50 is about $1,800 cheaper on indicative pricing.

SpecZen 50Zen 100
BrandSchenkerSchenker
Output50 L/hr100 L/hr
Power draw240 W400 W
Energy per litre4.8 Wh/L4.0 Wh/L
Run time for 100 L2.0 h1.0 h
Energy for 100 L480 Wh400 Wh
Power source12/24V DC12/24/48V DC or AC
ConfigurationModularModular
Membranes2 × 2.5×21in2 × 4×21in
Indicative price$7,800$9,600
Efficiency rank6 of 302 of 30

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 Zen 50 if…

The purchase price matters more to you than the running cost.

Get a quote on the Zen 50

Buy the Zen 100 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 Zen 100

Common questions

Which is more efficient, the Zen 50 or the Zen 100?
The Zen 100, at 4.0 watt-hours per litre against 4.8. Over 100 litres a day that is a difference of about 80 Wh.
Which makes more water, the Zen 50 or the Zen 100?
The Zen 100, at 100 L/hr against 50. That is 2.0 times the output per hour running.
Which is cheaper?
On indicative pricing the Zen 50 at $7,800, about $1,800 less than the other. Both figures exclude freight, duty and installation, and Australian dealer pricing normally reads higher.
More comparisons

Other pairs people cross-shop