WaterdropG2 Tankless Reverse Osmosis System, 400 GPD
Waterdrop’s entry-level tankless RO system at 400 GPD.
$300
We may earn a commission if you buy through this link. It never affects our scores. How this works
Usability
Usability
The G2 is the same machine as the G2P600 with the output turned down — identical chassis, weight, filters, faucet and running cost, at 400 GPD instead of 600. Since the G2P600 costs only $60 more and the annual filter cost is the same either way, the G2 makes sense mainly for a small household or where the price difference genuinely matters. Certification is NSF/ANSI 372 only, covering lead-free construction rather than what the system removes. For a one or two person household wanting tankless RO cheaply, it does the job; anyone comparing on certified performance should look at the G3 line.
- Cheapest entry into tankless RO at $299.99
- Seven-stage filtration
- 400 GPD is ample for one or two people
- Compact 25.35 lb chassis
- About $105/year in filters
- NSF/ANSI 372 only, which is a materials standard rather than a performance one
- 400 GPD is the lowest under-sink output in the range
- Only $60 cheaper than the 600 GPD G2P600
- Mechanical faucet with no display
- One-year warranty
The G2 is the entry point to Waterdrop's tankless range: 400 GPD through seven stages at a 2:1 pure-to-drain ratio, in the same compact chassis as the G2P600 and with the same mechanical faucet.
Additional information
Specification: Waterdrop G2 Tankless Reverse Osmosis System, 400 GPD
| Water Filtration Specifications | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||
| General Specifications | ||||||||||||
|
||||||||||||
Questions answered from our data
Is Waterdrop a good brand?We list 29 Waterdrop products and score 29 of them. Their overall scores run from 5.0 to 7.6, with a median of 6.0, against a median of 5.7 for all 284 products we score.
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 minerals?75 of the 76 reverse osmosis systems we list claim to reduce TDS.
