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Overview

This Waterdrop T4-A Alkaline pH+ Reverse Osmosis System provides two convenient water options through its dual-flow faucet: standard RO-filtered water and mineral-enhanced alkaline water. Its 10-stage filtration process, including an RO membrane, helps reduce PFOA, PFOS, chlorine, heavy metals, rust, colloids, and other unwanted substances, while the alkaline line adds beneficial minerals for a refreshing taste. With a 450 GPD flow rate and a 2:1 pure-to-drain ratio, the syst

Waterdrop T4-A Alkaline Mineral Tankless Reverse Osmosis System, Dual Flow | NSF/ANSI 372 Certified, 10-Stage, 450 GPD Under-Sink RO Filtration System

Model: WD-T4-A
Web Code: 19998005
Sold and shipped by | 5.0 seller rating (7 reviews)

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Warranty

Check with the manufacturer for details.

For Quebec residents: See the Availability Guarantee disclosure in the Specifications section below.

[Dual Water Flow]: The WD-T4-A RO system offers two purified water options: a standard RO-purified stream and a mineral-enhanced alkaline stream. Switch between them effortlessly based on your needs — both deliver contaminant-reduced drinking water. Dual LED ensure complete water safety from filtration to faucet *NOTE: Faucet installation requires drilling holes in the countertop

[10-Stage Filtration with RO Membrane]: This system reduces harmful substances, including PFOA & PFOS, chlorine, heavy metals, rust, colloids and more impurities, through its comprehensive filtration stages. The dedicated mineral-enriched line then infuses beneficial alkaline minerals, delivering healthier, great-tasting water. 𝐍𝐨𝐭𝐞: This system requires an electrical connection for operation

[450GPD Flow & 2:1 Pure to Drain]: With a 450-gallon-per-day capacity and industry-leading 2:1 water-saving ratio, the WD-T4-A provides fast, on-demand purified water while reducing wastewater by up to 800% compared to traditional RO systems

[Smart Filter Life Reminder]: You won't miss a filter change with the indicator lights and buzzer alerts. Replacement intervals: CF filter: 6 months; RO membrane: 24 months; CB filter: 12 months; Alkaline mineralizer: 12 months

[Tankless Design]: The compact, tank-free system effectively avoids secondary contamination risks associated with water storage tanks, while freeing up 70% more under-sink space than traditional tank-based RO systems

For Quebec residents – Disclosure under the Consumer Protection Act

In compliance with Bill 29, Best Buy and third-party sellers on Best Buy Marketplace do not guarantee the availability of replacement parts, repair services, or maintenance information for any products. Coverage provided through any Best Buy Protection programs and applicable manufacturer warranties, if any, remain in place. Please contact the manufacturer directly for information about their availability guarantee.

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