Full side-by-side

AOX Premium Mfr claim · Hyundai Wacortec Mfr claim
SpecAOX PremiumHyundai WacortecWinner
OriginSingaporeKorea
DistributionDirect retail · e-store + corporate rentalKorean OEM · grey-import in SG
CategoryAntioxidant water dispenserAlkaline ionizer (Korean OEM)
Plates79Hyundai Wacortec
pH (max alkaline)10.210.4Hyundai Wacortec
ORP-620 mV-680 mVHyundai Wacortec
Dissolved H₂0.95 ppm1.15 ppmHyundai Wacortec
Flow rate2.4 L/min2.5 L/minHyundai Wacortec
Warranty2 yr2 yrTie
Filter cost (each)S$ 180S$ 180Tie
Sticker priceS$ 1,799S$ 2,400AOX Premium
5-year totalS$ 3,599S$ 4,200AOX Premium
Our rating
How we sourced these numbers: All specs are taken directly from each manufacturer's published product page (links at the bottom). We have NOT independently lab-tested these brands — only Prime Water (our own sister brand) is verifiable through primewater.com.sg. Independent lab testing is rolling out through 2026.

Verdict

Cost over 5 years: AOX Premium saves S$ 601 over 5 years.

Lab performance: AOX Premium produces 0.95 ppm dissolved H₂; Hyundai Wacortec produces 1.15 ppm. The Hyundai Wacortec leads on hydrogen output.

Warranty: AOX Premium carries a 2-year warranty; Hyundai Wacortec carries 2. Same warranty length.

Where to buy + showroom info

AOX Premium

Direct retail · e-store + corporate rental

Phone: +65 6456 4321 · WhatsApp +65 9271 7505

Lineup: Hot & Cold · Non-Electricity · Compac · PURE · TT Tap (award-winner) · AOX Traveller (portable)

Visit AOX Singapore →

Hyundai Wacortec

Korean OEM · grey-import in SG

Lineup: ALPHA W2 · ALPHA W3 · 9-plate residential lineup

Visit Hyundai Wacortec →

No affiliate links · Waterionizer.sg earns zero from either purchase.