
Waterdrop G2P600 vs G3P600: Differences Explained
You’re already sold on Waterdrop. You know their tankless reverse osmosis systems delivers ultra-clean water fast. Now it’s time to decide: go with the Waterdrop G2P600 or step up to the Waterdrop G3P600?
Both systems offer 600 GPD flow and space-saving tankless design. But the G3P600 adds a smart faucet and extra filtration, and that can make a real difference depending on your needs.
Here’s the Bottom Line and a quick answer:
- G3P600 brings smart tech and an extra filtration stage.
- G2P600 gives you reliable RO performance and solid value in a compact package.
G2P600 or G3P600: Quick Comparison
- 600 GPD • 0.42 GPM
- 7‑stage deep filtration
- Compact tankless design
- 2:1 pure‑to‑drain ratio
- Solid filtration without smart faucet
- Best for value‑focused buyers
- 600 GPD • 0.42 GPM
- 8‑stage with coconut carbon
- Smart display faucet & holiday mode
- 2:1 pure‑to‑drain ratio
- Bit higher cost
- Best for tech‑savvy homes

💧 Waterdrop G2P600 Under Sink RO System
- Flow Capacity: 600 GPD (0.42 GPM, 8 sec/8 oz)
- Filtration: 7‑stage deep filtration including RO & carbon
- Design: Tankless, compact, BPA‑free cover
- Pure-to-drain ratio: 2:1 efficient water usage
- Dimensions: 17.3 × 5.9 × 13.9 in; Weight: 20.9 lb
- Warranty: 1 year

💧 Waterdrop G3P600 Under Sink RO System
- Flow Capacity: 600 GPD (0.42 GPM, 8 sec/8 oz)
- Filtration: 8‑stage with coconut shell carbon + RO
- Smart Faucet: TDS display, filter life, holiday mode
- Design: Tankless, BPA‑free, smarter faucet tech
- Dimensions: 18.11 × 5.67 × 17.73 in; Weight: 32.4 lb
- Warranty: 1 year
📊 Side‑by‑Side Comparison
Feature |
G2P600 |
G3P600 |
Flow Rate & Capacity |
0.42 GPM, 600 GPD |
0.42 GPM, 600 GPD |
Filtration Stages |
7‑stage deep filtration |
8‑stage coconut carbon + RO |
Smart Faucet |
No |
Yes, with TDS & holiday mode |
Dimensions (in) |
17.3×5.9×13.9 |
18.11×5.67×17.73 |
Weight |
20.9 lb |
32.4 lb |
Does the G3P600 have holiday mode?
Yes, the G3P600 smart faucet includes a “holiday mode” that pauses dispensing, helping protect the filters while you’re away.
What does CF stand for in Waterdrop?
CF is “carbon filter” which is the pre‑filter stage that removes sediment and odor before the RO membrane.
Filter Lifespan for G2P600 and G3P600 RO Systems
Knowing how often you’ll need to replace filters matters. Here’s how the Waterdrop G2P600 and Waterdrop G3P600 compare on long-term maintenance:
• Carbon Filter (CF)
G2P600: WD‑G2CF – replace every 12 months
G3P600: WD‑G3‑N1CF – replace every 6 months
• RO / MRO Membrane
G2P600: WD‑G2P6MRO – replace every 24 months
G3P600: WD‑G3P600‑N2RO – replace every 24 months
• Additional Stage
G2P600: None
G3P600: WD‑G3‑N3CB – replace every 12 months
What is the difference between Waterdrop G3P600 and G2P600?
- Additional filtration stage: G3P600 adds coconut carbon block for improved taste and odor.
- Smart faucet experience: G3P600 gives real‑time TDS and filter reminders.
- Size & weight: G3P600 is taller and ~11 lb heavier.
Which Waterdrop Undersink RO Sytem Is Right for You?
Choose the Waterdrop G2P600 if:
- You want reliable clean water without extra tech expense
- You have compact under‑sink space
- You value simplicity and strong filtration
Choose the Waterdrop G3P600 if:
- You want smart faucet features and filter feedback
- You prefer enhanced taste with coconut‑based carbon
- You don't mind slightly larger size/weight for better experience
Still exploring? Browse more Under Sink Water Filter Systems or shop our complete Waterdrop selection to find your perfect filter system.
Talk to a water expert today to get the perfect solution for your home.
📞888‑852‑0601 | 📧 sales@purehomedirect.com