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APEC ROES-50 Review

APEC's ROES-50 is a no-frills tank RO system with a long track record.

By Ice & Water Report Editors · Updated November 6, 2026 · 4 min read

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Our verdict

The ROES-50 is a dependable basic tank system with a 2-year warranty and a 4-gallon tank. It's slow at 50 GPD and has no remineralization, which suits ice makers fine.

Buy it ifYou want a simple, proven tank system.
Skip it ifYou want fast flow or a small footprint.

Key specs

As of November 6, 2026.
ROES-50
Price$230.99 list
Type4 gal tank
Gallons per day50
Pure to drainAbout 1:3 (reported)
Certified toNSF/ANSI 58, 372
PowerNo electricity
Filters per yearLow (filters sold in sets)
Warranty2 years
ModelROES-50

Filtration

Five stages, rated at 50 GPD, with NSF/ANSI 58 and 372 listings. A 4-gallon tank.

Cost

$230.99 list and often less. Filters are sold in sets and are among the cheapest to replace.

Warranty

2 years.

Countertop ice makers are filled by hand, so you can fill yours straight from the RO faucet. See the best water for an ice maker.

How we evaluated it

This review is based on APEC's published specifications, the owner's manual where available, independent test reports and owner feedback, compared against the other models we track. We'll add hands-on notes as our testing progresses.

Questions

Is the APEC ROES-50 good?

Yes, it's one of the most widely recommended basic RO systems.

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