Polyphosphates, included in this product, help to inhibit scale build-up in water heaters (both standard and tank-less styles) and in appliances such as dishwashers and clothes washers which can help extend the life of hot water-using appliancesScale inhibition helps protect pipes from corrosionEasy cartridge change-out helps provide easy system maintenanceFDA CFR-21 compliant materials*The 3M™ Aqua-Pure™ Whole House Scale Inhibition Replacement Water Treatment Cartridge AP431 for the AP430SS was designed to reduce scale build-up on hot water-using appliances such as water heaters (standard and tank-less), clothes washers and dishwashing machines, and on plumbing fixtures like faucets, pipes, and shower heads. The AP431 is as easy to change-out as a light bulb.The 3M™ Aqua-Pure™ Whole House Scale Inhibition Replacement Water Treatment Cartridge AP431 for the AP430SS contains polyphosphates to bind calcium and magnesium hardness minerals, preventing them from precipitating out (or becoming a solid) and building up on metallic surfaces such as water heaters and plumbing fixtures like faucets, pipes and shower heads. Features include:
Flow rates up to 10 gpm/37.9 lpm
25 - 125 psi/172 - 862 kPa pressure range
40 - 100°F/37.8°C temperature range
System materials are FDA CFR-21 compliant*The overall design of our 3M™ Aqua-Pure™ AP430SS whole house scale inhibition water treatment system makes the 3M™ Aqua-Pure™ AP431 cartridge change-out easy for professionals, as well as end users. The 3M™ Aqua-Pure™ AP431 Whole House Scale Inhibition Replacement Cartridge is as easy to change-out as a light bulb. The scale inhibition system helps extend the life of downstream water-using appliances such as water heaters (standard and tank-less), clothes washers and dishwashing machines, as well as plumbing fixtures like faucets, pipes and shower heads by reducing scale build-up and corrosion.