Description

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.

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