800 GPD Tankless RO System with UV Sterilizing Light - Waterdrop G3P800

Name: 800 GPD Tankless RO System with UV Sterilizing Light - Waterdrop G3P800
Price: 999.0 USD
Rating: 5 (1 reviews)

$999.00 USD

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10-Stage Filtration

0.0001μm RO membrane

3:1

Pure to drain ratio

Saves 1200% water

800GPD

High flow rate

Authorized Certification

UV Sterilization

G3P800

Designed

For

Pure Drinking

Suggested Family Size:

Water Tastes & Smells Unpleasant?

Reduces impurities for fresher taste and smell

800GPD High Flow Rate

Fills a 6oz cup in 5s.

Discover Advanced Filtration Capacity

Enjoy pure and healthy water from now!

More Features

Enjoy Red Dot Award-Winning Tankless Ease

Quick & Easy: 30-min DIY installation;
Compact & Stylish: Saves 70% undersink space

800GPD Fast Filtration

Get pure water instantly — no long waits.

Smart Display Faucet

Visible water status for worry-free drinking

3s Filter Replacement

Easily replace with a simple twist, no tools required.

Guards for Your Safe & Healthy Drinking

Reduces PFOA & PFOS by 99%

For your healthier life

0.0001μm RO Filtration

Reduces 1000+ impurities for pure drinking

Automatic Flushing Design

Ensures no wastewater residue

Installation

Easy Installation in 30 Minutes

The Waterdrop G3P800 allows for easy 30-minute DIY installation with its all-in-one kit — no plumbing skills required.

Sustainability

Saves 1200% Water

Waterdrop G3P800 provides a sustainable and eco-wise water solution.

Certification

NSF/ANSI 42, 53, 58 & 372 Certified

Reduced substances

Fluoride, PFOA & PFOS, TDS, Chlomium, Chlorine, Lead*, Taste & Odor*, Large Particles*, Heavy Metals*, Rust*, Sand*, Salt*, Nematodes*, Sediments*, VOCs*, and More Impurities*
*Tested by a third-party laboratory.

System Certified by IAPMO R&T to NSF/ANSI 42, 53 and 58 for the reduction of the claims specified on the Performance Data Sheet, and to NSF/ANSI 372 for low lead.

View the Report

Media Attention

Offers everything they expect from a reliable and efficient household filtration system. It has all they need to safeguard the cleanliness and health of the drinking water.

Reverse-osmosis systems have membranes that remove all your standard contaminants, plus extras like viruses, bacteria and parasites. Waterdrop G3, for example, carries an NSF 58 certification, which is one of the highest filtrations possible.

Waterdrop (G3P800) is NSF 58 certified, one of the highest standards, so it can stand up to everything from heavy metals to pharmaceuticals to PFAS.

Waterdrop RO System is one of the most popular options for homeowners who are interested in saving space and conserving water.

Ranked as one of the best reverse osmosis systems, the Waterdrop tankless model has high output for large households.

The Waterdrop G3P800 is a multi-certified cutting-edge tankless reverse osmosis water filtration system that packs a lot of modern, advanced features, including a space-saving design, a large filtration capacity, a smart LED reminder, and upgraded filtration capabilities.

The G3P800 reverse osmosis system a total of 800 gallons per day, making it one of the fastest water filtration systems on the market. Furthermore, it maintains a 3:1 pure-to-drain ratio.

Best Tankless System. Save space under your sink with this tankless reverse osmosis system.

Waterdrop is known for its large variety of water filters, with its under-sink filters range topping the list among them.

Customer Review

We love our new RO system. It's already saved us $$ since we are no longer buying bottled water, and I am so glad to reduce our use of single-use plastics as well. The water tastes great and the system works like a dream

VANESSA

Been through many different systems from Lowes (AO Smith) and Home Depot. Waterdrop filters are my favorite in design. It obviously works like it's supposed to. But the ease of changing filters is awesome. It's a breeze now. Love the design.

Kenny Roberts

Great system. Was buying bottled water before but even some bottled water tasted off. I don't have that issue with the waterdrop RO. Water tastes great.

Shellene TURNIPSEED

After many years of unsuccessfully trying water pitchers and refrigerator filters the Waterdrop 800 with UV sterilizer has finally cut off my dependence on bottled water.

Joseph

Excellent product and service! With Safety and Quality as their standard, Waterdrop knocks it out of the ballpark for pure, unadulterated water!! Many thanks!!

Gail Warren

Compare
Undersink RO

Compare Undersink RO	G3P800 Add to Cart	G3P600 Add to Cart	X8 Add to Cart
Flow Rate
Flow Rate	800 GPD	600 GPD	800 GPD
Alkaline Mineralization
Alkaline Mineralization	×	×	×
Pure to Drain Rate
Pure to Drain Rate	3:1	2:1	2:1
Filtration Stages
Filtration Stages	10 Stages	8 Stages	9 Stages
Faucet
Faucet	Smart Display Faucet TDS & filter life monitor	Smart Display Faucet TDS & filter life monitor	Smart Display Faucet TDS & filter life monitor
Filter lifespan
Filter lifespan	CF 6 Mths CB 12 Mths G3P800-RO 24 Mths	CF 6 Mths CB 12 Mths G3P600-RO 24 Mths	F1G 12 Mths F2 6Mths X8-F3 24 Mths
Average annual cost
Average annual cost	$159.97	$144.97	$162.97
Warranty
Warranty	1 Years	1 Years	2 Years
Certification
Certification	NSF/ANSI 42 & 58 & 372	NSF/ANSI 42 & 58 & 372	NSF/ANSI 42 & 58 & 372
Dimensions (inch)
Dimensions (inch)	18.115.6717.72	18.115.6717.72	18.11 * 5.51* 17.72
Item Weight
Item Weight	36 pounds	32.4 pounds	36.45 pounds

FAQ

Curious about how the RO filter works? Our FAQ section covers everything from filter lifespan to installation tips for clean, pure water every day.

What contaminants does the G3P800 RO system reduce?

Tested by a third party lab, Waterdrop G3P800 utilizes a 10-stage filtration process, effectively reducing impurities such as PFOA, PFOS, fluoride, heavy metals (e.g., lead, chromium, arsenic), salts (e.g., nitrate, chloride), and large particles.

How often should I replace the filters?

CF Filter: Every 6 months or after filtering 550 gallons, whichever comes first.
CB Filter: Annually or after filtering 1,100 gallons, whichever comes first.
RO Filter: Every 2 years or after filtering 2,900 gallons, whichever comes first.

Is the UV sterilizer necessary, and does it require regular replacement?

Yes, the UV sterilizer enhances water purity by reducing up to 99.9% bacteria. It features an advanced LED part with a long lifespan, requiring little to no maintenance over the years.

How easy is it to install the G3P800?

Waterdrop G3P800 under sink RO system enables easy DIY installation with clear step-by-step instructions and an instructional video for installation.

View full details

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USA Made and Shipped

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We Will Match Or Beat Competitior Pricing

Fast Handling Times

Orders Ship Out As Soon As Possible

Satisfaction Guarantee

Get the product you ordered, or your money back!

Frequently Asked Questions

Find answers to the most common questions about our products and services.

What is your return policy?

We offer a 30-day return policy for all unused items in their original packaging. However there is a charge of 20% of the items value for a return and refund due to supplier restocking fees as long as the return is due to buyers remorse. For any damages or missing items please contact us immediately so we can do our best to fix it or get your money back. Canceled orders before shipment are not subject to this fee.

How long does shipping take?

The shipping time depend heavily on suppliers, but usual would be no more than a week processing and shipping times. More common would be about 4-5 days total.

Do you ship internationally?

No, we are a US based company that sells US made and shipped products. We want to be a company who sells quality Us made products to our very own home country, so we do not ship overseas or to other countries.

Are there any other ways to pay and do you take interest based payment options?

Yes! Other than common card methods and shop pay you can send us money via wire if you have a particularly large order. Just contact us for the details! As for credit based options, go through shop pay interest based installments, it is the only one we take other than simple credit cards.

Why should I trust you with my business?

There is no direct answer to that, but we take an angle that no other stores take that has great importance in everyday life, sometimes emergencies come up, and we are the only place where you can find all you might need in one place. We are a small business that will do our utmost to make you happy with your order, as a small business every transaction matters, so trust us with your peace of mind needs, we can't wait to work with you and help you get your family or business ready for anything!

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800 GPD Tankless RO System with UV Sterilizing Light - Waterdrop G3P800