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Enjoy clean, fresh water with the Waterdrop G3P800 RO System. This advanced tankless system provides up to 800 gallons per day (GPD) of purified water, making it perfect for large households or small businesses. Its innovative internal pump and larger filter surface ensure you can fill a cup in just 6 seconds.
The G3P800 is designed to be eco-friendly with a 3:1 low drain ratio. This means for every 3 cups of pure water, only 1 cup of wastewater is produced. You’ll save on your water bill and support a greener lifestyle.
One of the standout features is its advanced LED light, which reduces up to 99.9% of bacteria and viruses. This LED technology is safer than traditional mercury UV sterilizers and only activates when water is passing through, saving energy.
The large faucet screen offers a user-friendly experience by displaying system status and water quality. It also includes intelligent functions like filter life and TDS indicators, along with malfunction alerts.
The UVC-LED in the system boasts a 99.9% reduction rate and can last up to 50 years, making it a long-lasting investment. Just note, an electrical outlet is required, and the main power cable is 90" long with the faucet's power cable at 59".



The Waterdrop G3P800 stands out due to its combination of high capacity, eco-friendly design, and advanced sterilization technology. While other systems might offer similar features, none can match the comprehensive benefits provided by the G3P800. From its impressive flow rate to its innovative LED sterilization, it’s designed to meet the needs of modern homeowners and businesses.
If you've struggled with slow water flow, high water waste, or concerns about water purity, the Waterdrop G3P800 is your answer. Its 800 GPD capacity ensures you never run out of water, the 3:1 low drain ratio conserves water, and the LED sterilization keeps your water safe from harmful bacteria and viruses. Plus, the user-friendly faucet screen keeps you informed, so you always know the status of your water quality.
Provides a steady supply of clean and purified water for drinking and cooking
Removes harmful contaminants for improved health and safety
Great-tasting water for enhanced enjoyment
Convenient and reliable solution for water purification needs
Space-saving design fits well in any home environment
| Replacement Filters | Lifespan |
Cost |
| WD-G3-N3CB | 12 Months | $30 |
| WD-G3-N1CF | 6 Months | $30 |
| WD-G3P800-N2RO | 14 Months | $160 |
|
Model |
WD-G3P800-W |
|
Size (L*W*H) |
18.06”*5.65”*17.75” |
|
Feed Temp |
41-100℉/ 5-38℃ |
|
Feed Pressure |
14.5-87 psi/ 0.1-0.6 MPa |
|
Feed Requirement |
Municipal Tap |
| Production Rate | 800 GPD |
| Faucet Finish | Brushed Nickel |
| Manual | Installation Guide |
An electrical outlet is required to operate the RO system. The main power cable 90", faucet's power cable is 59".
We do not recommend using well water as a source due to its complicated composition.
Placing this RO system after a salt-based water softener may affect the taste (reduction rate of 90%).
Drill 2 holes to install the system. One for the RO faucet (1"), the other for drain pipe connection.
Check electrical access. G3P800 reverse osmosis system uses the same socket as the garbage disposal or dishwasher, so additional power access may be needed.
The rough filter of the RO system has passed the NSF material test.

Ships within 48 hours · Estimated delivery Jun 20 - Jun 25
US$40
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