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Water Treatment
High-Efficiency Water Treatment Systems for Your Home
Navien water treatment systems, creating better water for your home and family.
New WEC Series
Navien WEC water treatment systems offer homeowners continuous, whole-house water treatment on demand with many benefits:
- Salt-free, economical, and eco-friendly with no harmful wastewater.
- Protects pipes, appliances and plumbing fixtures by reducing scale built-up.
- Great for hair, skin, cooking, and washing clothes.
- Reduces water-spotting on all surfaces, glassware, dishes, and silverware.
- Advanced electro-membrane technology removes contaminants.
- On demand whole-house water treatment without regeneration downtime.
- Built-in automatic self-cleaning Clean-In-Place (CIP) technology for minimal maintenance.
Learn more about
WEC Series
PeakFlow Series
PeakFlow residential water treatment systems include two whole-house models - Peakflow A, PeakFlow S, that eliminate hard water problems by preventing scale buildup and maintaining optimal water flow:
- Inhibits scale without salt
- Low maintenance
- Easy to install
- Environmentally friendly
- Maintains water-related appliance efficiency
- Media replacement period of 2 or 5 years
- Protects the longevity of your entire water supply system
Learn more about
PeakFlow Series
New WUR500 Series
Navien's under-sink tankless reverse osmosis (RO) system reduces total dissolved solids (TDS) to provide great-tasting water.
- Up to 99% TDS rejection rate
- 600 GPD rated production rate
- Tankless RO unit certified under NSF/ANSI 58, 372
- Included smart faucet certified under NSF/ANSI 61 and 372
Smart controls display real-time TDS levels and filtration status, while the polished metal smart faucet provides easy access to high-quality drinking water with built-in reminders for filter replacement.
Discover how easy it is to enjoy cleaner, on-demand drinking water with better taste, less waste, fast flow, smart filters & no storage tank.
Learn more about
WUR500 Series
New WUA500 Series
Navien’s WUA500 carbon block filter is a cost-effective way to remove up to 99% of impurities from your water, including:
- Chlorine
- Heavy Metals
- Herbicides
- Pesticides
- Emerging contaminants (like pharmaceuticals)
Sleek and compact, WUA500 fits easily under your kitchen sink and delivers cleaner, better-tasting water from a dedicated smart faucet.
Designed for convenience, it has an easy-turn handle for fast and easy filter changes. A color LED on the smart faucet lets you know when it’s time—a cartridge lasts six months on average.
Learn more about
WUA500 Series
Advantages of Navien Water Treatment Systems
Continuous Whole-House Water Treatment on Demand
Navien WEC and PeakFlow systems reduce scale buildup, optimize water flow and protect your water supply system without salt or tanks.
The WEC electric water treatment system reduces Total Disolved Solids (TDS) and other harmful contaminants, giving you improved water from every tap in your home.
Effective Hard Water
Solutions Made Easier
Homeowners who use our WEC or PeakFlow systems enjoy all the benefits of whole-house water treatment without the drawbacks that come with water softeners or RO systems:
- NO re-piping to PVC
- NO salt shopping & storage
- NO sodium taste/content in water
- NO brine tank & salt level monitoring
Protect Your Home’s Water Supply and the Environment
Navien’s WEC treats water without salt, so no chloride waste reaches waterways and plastic salt bags stay out of landfills. Its smart deionization turns on only when water is flowing, and the scale-reducing water it delivers helps heaters and appliances stay efficient with less upkeep.
All Navien whole-house and point-of-use water treatment systems are salt-free and highly energy efficient, helping to reduce your home’s carbon footprint.
Find a Navien water treatment system installer near you
Navien's water treatment and filtration systems require an authorized Navien installer to ensure you benefit from our industry-leading limited warranties.
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