You accept the use of cookies as described in our Privacy Policy by clicking 'OK'.
PeakFlow Series
Scale Prevention Systems
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
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
Named a 2022 Sustainable Product of the Year by Green Builder Media.
Navien PeakFlow®… from protecting your water heater to protecting your complete water supply system
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.
DHW piping
Tankless water heater heat exchanger
Water heater outlet
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
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.
Find a PeakFlow
Installer Near You
Find an Installer