
For optimal performance, the filter cartridge in the WATTS OFTWH-C OneFlow Anti-Scale System should be replaced every two years. Regular replacement of the filter cartridge is a key part of maintaining the system and ensuring it continues to effectively protect against scale buildup. Adhering to this recommended schedule is crucial for preserving the system's efficiency and extending its lifespan. Always refer to the manufacturer's guidelines for the most up-to-date recommendations.


