Kitchen & home

NU Aqua Store Guide: Prices, Shipping and Returns (2026)

Tankless RO systems, take quiz and under sink from a shop based in the United States.

NU Aqua product photo
Photo: nuaquasystems.com

The short version

NU Aqua is an online store selling tankless RO systems, take quiz and under sink, based in the United States. Most prices fall between $36 and $240. Shipping and return terms weren’t clear on the pages we read, so check them before you order.

Worth knowing

  • 20-day free trial
  • Pay-later options at checkout
  • Phone or live-chat support

Watch for

  • No return window found on the pages we read
  • 15% restocking fee can apply
  • Shipping costs not stated up front

This guide covers what NU Aqua sells, typical prices, and how its shipping and returns work, using what the store publishes on nuaquasystems.com. We last checked it in November 2026.

What NU Aqua sells

NU Aqua’s shop is organised into tankless RO systems, take quiz, under sink, countertop filters, shower filters, whole house systems and water filter bundles. Its catalog feed listed about 217 products when we checked; the biggest groups are replacement filters (46), filter club (36) and reverse osmosis systems (29).

Most prices run from $5.36 to $550, and the middle half of the range sits between $36 and $240.

Shipping and delivery

NU Aqua doesn’t state shipping costs or times on the pages we could read. The cost usually appears at checkout before you pay; check it there, and ask the store if you need an order by a certain date.

Shipping policy: nuaquasystems.com/policies/shipping-policy

Returns and refunds

  • A 15% restocking fee can apply.

Returns policy: nuaquasystems.com/policies/refund-policy

Paying, help and company details

  • Payment options shown on the site include PayPal, Apple Pay, Google Pay, Shop Pay and Venmo.
  • Ways to get help: phone, live chat or email or contact form.
  • Based in the United States.
  • Product reviews on the site are collected with Judge.me.
  • Social accounts linked from the site: Instagram, Facebook, TikTok and YouTube.
  • The shop runs on Shopify.
  • Subscribe-and-save or auto-ship pricing is available on some products.

Before you buy from NU Aqua

  • Check the voltage, plug type and capacity for appliances.
  • Look for the warranty length and whether you register it with the maker.
  • Replacement parts and filters can cost more than the device over time; check their prices.
  • For smart-home devices, see whether features need a paid subscription.

Prices we found

A sample of products listed on nuaquasystems.com when we last checked. Prices and stock change; the store's site has the current price.

ProductTypePrice
NU Aqua Replacement Cap For Whole House System Filter Housing - V2Filter Housing$8.96
NU Aqua Whole House System O-Ring SetFittings$9.95
NU Aqua Handheld Filtered Showerhead - Filter Subscription (Delivered…Replacement Filters$36
NU Aqua Handheld Filtered Showerhead - Black - With Mounting Kit - Sp…Shower Filter$70
4 Stage Multipurpose Whole House UV System Replacement Filter Set Sub…Filter Club$170
NU Aqua Whole House UV System with Smart Flow SwitchWhole House System$225
NU Aqua 8-Stage Countertop Reverse Osmosis Water Filter System With H…Reverse Osmosis Systems$265
NU Aqua Essentials Bundle Filter Club$283

Questions about NU Aqua

Is NU Aqua legit?

NU Aqua sells through its own website, nuaquasystems.com. It publishes shipping information, a returns policy and contact options (phone, live chat or email or contact form). Checkout supports PayPal, Apple Pay, Google Pay and Shop Pay, which give some buyer protection. We can’t vouch for any store, so for a large order check recent independent reviews and the return terms first.

Where is NU Aqua based?

NU Aqua is based in the United States, according to its website.

This guide is based on information NU Aqua publishes and was checked in November 2026. Links to the store are affiliate links; we may earn a commission at no cost to you. How that works.