Waterdrop X16 Tankless Reverse Osmosis System – 1600 GPD Under-Sink Water Filter
The Waterdrop X16 is the highest-capacity system in the X Series – an 11-stage tankless reverse osmosis system rated at 1600 gallons per day. Built for large households that will not wait on a tank, it remineralizes after filtering so the water still tastes like water.
Why Choose the X16?
- 1600 GPD Flow Rate: Fills a 6 oz cup in about 2 seconds – the fastest flow Waterdrop offers in a tankless RO system.
- 11-Stage Filtration: A 0.0001µm RO membrane reduces TDS, PFOA, PFOS, chlorine, fluoride, arsenic, barium, chromium-VI, lead, heavy metals and odor.
- UV Sterilization: Reduces 99.9% of bacteria as a final safeguard after mechanical filtration.
- Alkaline Remineralization: Restores calcium and magnesium and balances pH to around 7.5 for better taste and cooking.
- 3:1 Pure-to-Drain Ratio: Three parts filtered water for every one to drain, cutting the waste conventional RO is known for.
- 24-Month Filter Life & Energy Saving: The RO membrane runs up to two years, changes take seconds by hand, and energy-saving mode cuts power use up to 40%.
Certified Performance
Tested and certified by IAPMO R&T against NSF/ANSI 42 and 58 for the reductions on its Performance Data Sheet, and NSF/ANSI 372 for low lead (≤0.25%).
Installation
The tankless design keeps the under-sink cabinet usable and reduces the connections you have to make. Most installations are a straightforward DIY job with the included accessories and instructions; a nearby power outlet is required.
Specifications
| Feature | Detail |
|---|---|
| Flow Rate | 1600 GPD (6 oz cup in ~2 seconds) |
| Filtration | 11-stage, 0.0001µm RO membrane + UV |
| Alkaline Mineralization | Yes – pH balanced to ~7.5 |
| Pure-to-Drain Ratio | 3:1 |
| Faucet | Digital control – TDS, filter life, adjustable volumes |
| Filter Life | F1A – 12 months / F2 – 6 months / X16-F3 – 24 months |
| Certification | NSF/ANSI 42, 58 & 372 |
| Dimensions | 18.2" x 6.25" x 16.72" |
| Weight | 36.92 lbs |
| Warranty | 2 years |
Frequently Asked Questions
-
Q: Does it remineralize the water?
A: Yes. Calcium and magnesium are reintroduced after the RO stage and pH is balanced to about 7.5. -
Q: Can I install it myself?
A: Yes. The tankless design simplifies the plumbing, and everything needed is in the box with a step-by-step guide. -
Q: What replacement filters does it use?
A: The F1A (12 months), F2 (6 months) and X16-F3 (24 months).
If 1600 GPD is more than you need, the X12 (1200 GPD) and X8 (800 GPD) share the same platform. Contact us for help choosing.
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