NU Aqua 5-Stage Under Sink Reverse Review: Specs, Pros and Cons
As an Amazon Associate we earn from qualifying purchases. Links on this page are affiliate links.
This nu aqua 5 stage under sink reverse review covers the NU Aqua 5-Stage Under Sink RO System. It is a compact filtration unit designed for standard kitchen cabinets. The system delivers a 100 GPD flow rate, which is double the output of many standard units. It uses a five-stage process to remove contaminants. The design includes a stainless steel faucet and quick-connect fittings. These specs define its performance and installation footprint. You get clean water on demand with a high rejection rate for dissolved solids.
What stands out
- 100 GPD high flow rate for faster tank filling
- HydraCoil membrane claims up to 50% cleaner water output
- NSF 100% lead-free stainless steel faucet included
- Bonus PPM meter for testing water quality at home
- Quick-connect fittings and color-coded tubing for easy setup
Who it fits
Good fit for
This system suits households that need higher daily water volume. The 100 GPD capacity fills tanks faster than basic 50 GPD models. It is ideal for under-sink installations with standard plumbing. The included PPM meter helps you monitor filter performance. If you want a straightforward five-stage filtration process without extra alkaline or UV stages, this model fits your needs. The quick-connect design simplifies maintenance for DIY installers.
Who should skip it
You should look elsewhere if you need alkaline or UV purification. This specific model is the Stage 5 configuration only. It does not include the Stage 6 UV or Alkaline options available in variations. If you prefer a countertop unit, this under-sink design will not fit your counter space. The system requires cabinet space measuring approximately 15 by 17.5 inches. Check your under-sink clearance before purchasing to ensure the tank and filters fit properly.
Verdict: The NU Aqua 5-Stage RO system offers a high-capacity filtration solution with a convenient bonus meter. It is a solid choice for standard under-sink installations requiring robust output.
NU Aqua 5-Stage Key Specs Explained
Capacity (GPD): 100
This rating indicates the system produces 100 gallons of purified water per day. This output is double that of many standard under-sink units. You get a steady supply for cooking and drinking without long waits for the tank to refill. It suits households with moderate to high daily water needs. Compare this figure to lower GPD models if you need faster flow for large pots or filling pitchers quickly.
Filtration Stages: 5
The system uses five distinct filters to clean your water. This multi-stage process typically includes sediment pre-filters, carbon blocks, and the main reverse osmosis membrane. Each stage targets different contaminants, ensuring comprehensive purification. You benefit from cleaner taste and reduced impurities. When shopping, note that some models offer six or seven stages for additional alkaline or UV treatment.
Design: Under sink
This unit is built to fit inside your kitchen cabinet. It keeps your countertop clear and maintains a clean kitchen aesthetic. The compact footprint allows it to tuck away behind standard cabinetry doors. You save valuable counter space for food prep. This design is ideal for renters or homeowners who prefer a minimalist look without visible filtration equipment on display.
Certification: NSF 100% lead-free (faucet)
The included faucet is certified to contain no lead. This ensures that the hardware touching your water does not introduce harmful metals. You get peace of mind regarding material safety. This certification is a key indicator of quality for drinking water fixtures. When comparing systems, look for lead-free certifications on faucets and fittings to ensure your entire water path is safe.
NU Aqua Design and Build Specs
The NU Aqua 5-Stage Under Sink RO System is built for installation under standard kitchen cabinets. The listing specifies a compact layout with dimensions of 15 inches in length, 5.5 inches in width, and 17.5 inches in height. This profile allows the unit to fit into tight spaces without consuming excessive cabinet volume. The system weighs 20 pounds, providing a stable footprint that remains secure during operation. The color is listed as white, which helps the housing blend into typical under-sink environments.
Materials are selected for durability and safety. The faucet is made from 100% lead-free stainless steel, as confirmed by the listing. This certification ensures that the fixture does not leach harmful metals into your drinking water. The filter housings feature double O-ring seals to prevent leaks. Quick-connect fittings are used throughout the system, allowing for straightforward assembly. The listing notes that color-coded tubing is included to simplify the installation process.
The filtration core utilizes a HydraCoil membrane. This specific design is highlighted for its ability to produce cleaner water compared to standard membranes. The carbon filters have a pore structure that enhances absorption, capturing smaller particulates. The system includes a bonus PPM meter for testing water quality. According to the listing, these components work together to maintain a high rejection rate for dissolved solids. The overall build prioritizes space efficiency and material safety for daily household use.
Setup And Daily Use Guide
Installation for the NU Aqua 5-Stage Under Sink RO System is designed to be straightforward. The listing notes that setup takes less than an hour. You can fit the unit under any standard kitchen sink. The design includes color-coded tubing and quick-connect fittings. These features allow you to connect the system without specialized tools or complex plumbing knowledge. The system occupies a compact space with dimensions of 15 inches in length, 5.5 inches in width, and 17.5 inches in height. This layout ensures it fits within typical under-sink cabinets without obstructing other storage items.
Daily use begins with the system’s 100 GPD high flow rate. This capacity doubles the output of standard under-sink drinking water filter systems. You receive a steady supply of purified water for cooking and drinking. The unit utilizes a HydraCoil membrane filter. This component uses a special manufacturing process to deliver cleaner water. The carbon filters in the five-stage setup have a higher absorption rate. Their molecular structure allows even the smallest particulates to be removed efficiently. The system claims a 99% rejection rate of over 1000 total dissolved solids.
The faucet is made from 100% lead-free designer stainless steel. It features a double o-ring seal for durability. Each system includes a complimentary PPM meter. You can use this tool to test water quality easily. The unit provides consistent, clean water on demand. You do not need to wait for large batches to fill. The quick-connect fittings also simplify future maintenance. You can replace filters without draining the entire tank. The system is built for long-term reliability with professional-grade components.
Before You Buy NU Aqua
Before you install this unit, check your under-sink clearance. The listing specifies dimensions of 15 inches in length, 5.5 inches in width, and 17.5 inches in height. You need enough space for the tank and filter housings. Also, verify your water pressure meets the requirements for a 100 GPD system. Low pressure can reduce output significantly. This model uses a 5-stage filtration process. You may want to consider the 6-stage alkaline or UV variations if you prefer enhanced mineralization or disinfection. The system includes a bonus PPM meter for testing water quality. You should replace pre-filters regularly to protect the HydraCoil membrane. This ensures the 99% rejection rate of dissolved solids remains effective. Compared to other options, this unit offers high flow rates. It suits households with higher water demands. Check that your faucet hole fits the included stainless steel spout. Ensure you have access to a drain for wastewater disposal. This system is designed for standard kitchen sinks.
Check before you buy
- Measure under-sink space against 15x5.5x17.5 inch dimensions.
- Confirm water pressure supports 100 GPD output.
- Check if faucet hole fits the stainless steel spout.
- Ensure access to a drain for wastewater.
The product at a glance
NU Aqua 5-Stage Under Sink RO System
Best for: high-capacity under-sink drinking water needs
- Filtration Stages
- 5
- Capacity (GPD)
- 100
- Design
- Under sink
- Filtration Type
- Reverse osmosis
- Installation Type
- Under sink
- Capacity
- 100 GPD
View on Amazon: NU Aqua 5-Stage Under Sink RO System Affiliate link
The NU Aqua 5-Stage Under Sink Reverse Osmosis Water Filter System delivers 100 gallons per day of filtered water. It uses a HydraCoil membrane for high rejection rates and includes a PPM meter for testing. The system fits under standard sinks and comes with a lead-free stainless steel faucet. You get 120-day trial coverage and a three-year warranty. This unit is designed for households needing high daily output without complex installation.
Pros
- 100 GPD high flow rate doubles standard output
- HydraCoil membrane provides up to 99% rejection rate
- Includes bonus PPM meter for water quality testing
- NSF 100% lead-free designer stainless steel faucet
Cons
- 5.5 inch width is narrow but 20 pounds is heavy
- Standard 5-stage filtration lacks alkaline or UV options in this specific model
- No remote control or digital display for monitoring
Good fit if
- You need high daily water output for a large family
- You want a straightforward under-sink installation with quick-connect fittings
- You value a lead-free faucet and included testing meter
Skip if
- You prefer countertop units that do not require plumbing
- You want alkaline or UV purification stages in the base model
- You have limited under-sink space for a 15-inch long unit
Verdict: NU Aqua 5-Stage 100 GPD Under Sink RO fits buyers who prioritize high daily capacity and easy installation over advanced filtration stages. It delivers consistent flow and includes useful testing tools for the price.
Specifications side by side
| Spec | NU Aqua 5-Stage Under Sink RO System |
|---|---|
| Filtration Stages | 5 |
| Capacity (GPD) | 100 |
| Design | Under sink |
| Filtration Type | Reverse osmosis |
| Installation Type | Under sink |
| Capacity | 100 GPD |
| Use | Drinking Water, Home, Kitchen |
| Color | White |
| Dimensions | 15 × 5.5 × 17.5 inches |
| Weight | 20 pounds |
| Size | RO - Stage 5 |
| Model | WU-100GPD-NP |
Frequently asked questions
How much space does the NU Aqua 5-Stage system need under my sink?
The unit requires a compact footprint to fit under standard kitchen cabinets. The listing specifies dimensions of 15 inches in length, 5.5 inches in width, and 17.5 inches in height. You must ensure your cabinet has enough clearance for the tank and filter housings before installation.
What is the daily water output of this reverse osmosis system?
This system delivers a capacity of 100 gallons per day. This high output supports consistent flow for cooking and drinking without long waits. It is designed to meet high-capacity under-sink drinking water needs for households that require a steady supply of purified water.
How many filtration stages does the NU Aqua system use?
The system features a 5-stage filtration process. This configuration includes multiple stages to remove contaminants and improve taste. The model number WU-100GPD-NP identifies this specific 5-stage setup, which is suitable for buyers prioritizing reliable purification over more complex multi-stage designs.
What are the physical dimensions of the NU Aqua RO unit?
The unit measures 15 inches in length, 5.5 inches in width, and 17.5 inches in height. It weighs 20 pounds and is colored white. These compact dimensions allow it to fit into most standard under-sink spaces without taking up excessive room.
Is the NU Aqua system suitable for high-volume water usage?
Yes, it is best for high-capacity under-sink drinking water needs. With a 100 GPD rating, it produces more water than many standard units. This makes it ideal for families or users who need a steady supply for cooking, drinking, and other daily kitchen tasks.
What model number identifies this specific NU Aqua filtration system?
The specific model is the WU-100GPD-NP. This identifier corresponds to the 5-stage, 100 GPD under-sink configuration. Knowing the model number helps you verify the exact specifications, such as the 5-stage filtration and white color, when checking compatibility or ordering replacement parts.