The G3P600 is the value tankless system. Same certifications as the G3P800, 600 GPD and cheaper filters. You lose the UV light and smart faucet, and it sends more water to the drain.
Key specs
| G3P600 | |
|---|---|
| Price | About $439 |
| Type | Tankless |
| Gallons per day | 600 |
| Pure to drain | 2:1 |
| Certified to | NSF/ANSI 42, 53, 58, 372 |
| Power | Needs an outlet |
| Filters per year | About $145 |
| Warranty | 1 year |
| Model | WD-G3P600 |
Filtration and certification
Eight stages, rated at 600 GPD with a 2:1 ratio. IAPMO R&T lists it under NSF/ANSI 42, 53 (including PFOA/PFOS), 58 and 372.
Filter costs
A $29.99 prefilter every six months, a $29.99 postfilter every 12 months and a $109.99 membrane every 24 months: about $145 a year.
Install
Under the sink; needs an outlet. 1-year warranty.
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.
This review is based on Waterdrop'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
What's the difference between the G3P600 and G3P800?
The G3P800 adds UV, a smart faucet, higher flow and a better 3:1 ratio.
