APEC Water SystemsROTL-AIO All-in-One Tankless 600 GPD Reverse Osmosis System
Six hundred gallons a day and a two-to-one drain ratio, with nothing certified behind either figure.
$300
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Usability
Usability
The ROTL-AIO is APEC's cheapest route out of the two problems that define its tank systems, which are the storage reservoir eating the cabinet and the three-to-one drain ratio. Its strongest attribute is that two-to-one ratio combined with 600 GPD of on-demand production, which removes the refill wait entirely. Its weakest is certification: at this price point competing tankless systems carry listings against several NSF standards with published reduction percentages, and this one carries nothing. The leak detector and LED filter indicator are genuinely useful additions that the mechanical systems lack, and the front-loading cartridges are the fastest service in the range. What the buyer trades away is the option of running without electricity, since a tankless system stops entirely in a power cut where a full tank keeps dispensing.
- 600 GPD on demand with no storage tank to house
- Two-to-one pure-to-drain ratio, materially better than the tank models
- Front-loading cartridges change in under a minute
- LED filter life indicator and built-in leak detection
- Frees the cabinet space a four-gallon tank would occupy
- No certification of any kind, where rival tankless systems list against several NSF standards
- Requires an under-sink electrical outlet and stops dispensing in a power cut
- APEC publishes no reduction percentage for any contaminant on this model
- Warranty is one year unless registered within eight weeks
- Proprietary cartridges rather than standard housings
The APEC Water Systems ROTL-AIO is a tankless under-sink reverse osmosis system rated at 600 gallons per day with a two-to-one pure-to-drain ratio and no storage reservoir. Filter cartridges change from the front in under a minute and the unit carries an LED filter life indicator and built-in leak detection. It requires an electrical outlet under the sink and holds no third-party certification.
Additional information
Specification: APEC Water Systems ROTL-AIO All-in-One Tankless 600 GPD Reverse Osmosis System
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Questions answered from our data
How much does a reverse osmosis system cost?The 69 reverse osmosis systems we list run from $165 to $3,779, with a median of $367.
How long do reverse osmosis filters last?Of the 69 reverse osmosis systems we list, 64 state a filter life; the most common is 6-12 months (62).
Does reverse osmosis remove fluoride?63 of the 76 reverse osmosis systems we list claim to reduce fluoride.
Do water filters remove lead?120 of the 296 systems we list claim to reduce lead.
