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Aqua-Pure AP420 Hot Water Protector / Scale Inhibitor Cartridge


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Cartridge dimension 9 3/4 inch x 2 5/8 inch Hot Water Protector / Normal Sediment Removal and Scale Inhibitor

Universal whole house water filter replacement cartridge. Siliphos is the amazing ingredient which allows this cartridge to protect your hot water heater from the deleterious effects of corrosion and hardness. It sequesters the hardness ions thus inhibiting them from precipitating out of the water to create scale. Scale can decrease your hot water efficiency by 30 - 40%. Also the siliphos reacts with the hardness carbonate to secrete a thin glass-like coating on the interior metal surfaces thus protecting from corrosion. Will trap dirt / sediment down to 5 microns.


  • Flow Rate 8 GPM
  • Change Cartridge Every 6 Months or Upon Substantial Pressure Reduction
  • Cartridge Dimensions: 9 3/4" High x 2 5/8" Diameter
  • Normal Sediment Removal and Scale Inhibitor
  • Graded Density for Long Life (up to 30% longer)
  • Rigid Construction Withstands Stressful Conditions
  • Hot & Cold Water (up to 100° F)
  • Made from FDA (CFR 21) Compliant Materials

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  • Model: AP420

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