Reddit reviews 3M Aqua-Pure Whole House Scale Inhibition Inline Replacement Water Cartridge AP431, For Aqua-Pure System AP430SS, Helps Prevent Scale Buildup On Hot Water Heaters, Boilers, Plumbing Pipes and Fixtures

DESIGNED FOR USE WITH 3M Aqua-Pure Whole House Scale Inhibition Inline Water System AP430SSHELPS PROTECT HOT WATER HEATERS: Polyphosphates, included in this product, help to inhibit scale buildup in hot water heaters (both standard (gas or electric) and tank-less styles) and boilers. Helps extend the life of hot water heaters and hot water using appliances, pipes, and downstream plumbing fixtures such as faucets and shower heads.MAINTAINS EFFICIENCY: By inhibiting scale buildup on heat elements, helps maintain water heater efficiency.EASY TO REPLACE: Easy change-out makes system maintenance easy.HIGH FLOW RATES: Rated for up to 10 gallons per minute (gpm).PRODUCT SPECIFICATIONS: System has a pressure range of 25-125 PSI (862 kPa) and operating temperature of 40-100F (4.4-37.8C).