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PeakFlow Series

Scale Prevention Systems

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Peak performance for residential and commercial applications

PeakFlow S

A chemical-free, scale prevention water treatment system designed for residential point of use applications with flow rates up to 6 gpm

 Learn more about the
PeakFlow S model

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PeakFlow A

This advanced water treatment system is not only chemical-free and anti-scaling but has higher flow rates up to 10 gpm for residential or commercial, point of entry and point of use applications.

 Learn more about the
PeakFlow A model

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Navien PeakFlow®… from protecting your water heater to protecting your complete water supply system

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Navien PeakFlow systems have been protecting Navien tankless water heaters and combi-boilers from damaging lime/ calcium deposits in their products for many years. This advanced technology is now available to protect your complete water supply system for residential and commercial applications.​

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    DHW piping

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    Tankless water heater heat exchanger

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    Water heater outlet

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Trusted Navien product for years

Navien…a world leader in innovative, energy-efficient, eco-friendly tankless water heaters, combi-boiler, and boilers has been the trusted brand for today’s contractors and homeowners. PeakFlow water treatment systems have been protecting Navien products from damaging lime/calcium deposits for years. Now…Navien PeakFlow water treatment technology is available for your complete residential or commercial water supply systems.

 Learn more about
PeakFlow Series

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Better technology for a better world

Better, cleaner water is important for all living things on the planet. Navien salt-free, chemical-free water treatment systems are not only better for the environment but are also better for your plumbing systems and water-related appliances.

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Installer Near You

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