Campbell CM431 Filter Cartridge

The Campbell CM431 phosphate-based cartridge forms a protective layer inside pipes to prevent corrosion, scaling and pin-hole leaks. It is suitable for all types of hot water systems, including boilers. Highly recommended for tankless water heaters & combi-boiler systems like Navien, AO Smith, Rheem, Takagi, Vevor & Rinnai to protect the heat exchanger from municipal & well water debris known to be in the water supply. Depending on your water quality, replace the cartridge every six months or more frequently. It's time to replace your filter when reduced water flow is noticed. Your tap water should be professionally tested every year for bacteria. Key Features: 125 PSI Max Pressure Max Temperature: 100°F Reduces scale build-up, inhibits corrosion Extends the life of plumbing and hot water systems