Navien PeakFlow (3/4" Water Heater Descaler & Scale Prevention System)

Navien PeakFlow S Water Heater Descaler & Scale Prevention System

The Navien PeakFlow S (ScaleRx) is a compact 3/4" inline system designed to protect your tankless water heater from harmful limescale buildup. Acting as both a descaler and a scale prevention solution, this unit installs directly on the cold water line and uses chemical-free media to stop calcium and magnesium from forming hard scale inside your heater. The result: higher efficiency, longer system life, and fewer maintenance issues.

Features:

• Protects against scale buildup in tankless water heaters
• 3/4" FNPT connections for easy installation
• Chemical-free, salt-free technology
• Effective for water hardness levels up to 75 grains (1282 ppm)
• Maintenance-free with a 2-year media lifespan
• Certified by IAPMO R&T to NSF/ANSI standards

Benefits:

• Descaling action: Reduces existing scale deposits
• Prevention: Stops new limescale from forming
• Efficiency: Maintains peak heater performance
• Longevity: Extends the life of your Navien water heater

Ideal for residential applications, the Navien PeakFlow S is the recommended solution for homeowners in hard water areas who want to protect their tankless investment.