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NAVIEN PRODUCTS
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Navien Navien Anti-Scale System

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PeakFlow

  • Scale inhibitor
  • Free-installer Inlet Ball Value
  • Certified to NSF/ANSI standard 42 and 61
  • Chemical-free and environment-friendly
  • Increases flow rates
  • Certified to NSF/ANSI Standard 42 and 61
This is a highly recommended environmentally-friendly accessory that treats hard water issues to address the water quality going into your Navien unit(s). A “must buy” in areas of hard water. Scale build-up from hard water is the biggest single reason for unit failures. PeakFlow prevents scale by converting dissolved hardness minerals into powerless particles that will not attach themselves onto any of the Navien heating elements. PeakFlow, or other similar scale inhibitors, when sized correctly for the installation, will help to insure the longevity of your Navien equipment and eliminate hard water quality problems.

System Specifications

Maximum Pressure 90psi/620.1kPA
Maximum Temperature 100°F/38°C
Minimum 35°F/2°C
Inlet/Outlet Connections 3/4" FNPT
Service Flow Rate up to 6 gpm (38 lpm)
Gallon Rating (Continuous Flow Rate) up to 4 gpm, 24/7/365 for 2 years for each media cartridge
Capacity Media cartridge does not have a grain removal capacity. However, other contaminants present in the water will gradually degrade the effectiveness of this cartridge. Change the Peakflow cartridge (#GXXX001327) at least once every two years.
Unit Weight 15 lbs/6.8 kg

Water Chemistry & Limitations

PH 6.5 to 8.5
Hardness (maximum) 75 grains (1300 ppm CaCO3)
Temperature 35°F to 100°F (1.6° to 40°C)
Chlorine < 3 ppm
Iron (maximum) 0.3 mg/l
Manganese (maximum) 0.05 mg/l
Copper none allowed
Oil & H25 none allowed
Polyphosphate none allowed
Silica (maximum) 10 ppm