NORITZ H2Flow Anti-Scale System for Select Select Tankless Water Heaters

H2F is an H2Flow anti-scale system that prevents the formation of scale to improve efficiency of your tankless water heater. H2F does not use salt or chemicals and provides a more environmentally friendly alternative to water softeners. This hard water treatment will significantly reduce the frequency of maintenance on your tankless unit. It is designed for all water heater types and models regardless of manufacturer.|Compatible with all tank or tankless models, it can be used for Noritz EZ98, EZ11, EZTR50, EZTR75, NRCP98, and NRCP111 models|Includes standard 3/4 in. connections with an inlet ball valve for fast servicing|Removes scale buildup|Maintains longevity and efficiency of your tankless unit|Low maintenance- replace the H2FLOW cartridge once every 2 years|The effectiveness of the H2Flow cartridge will depend on the chemistry of the cold water supply|1 year limited warranty|Reduce maintenance frequency|Replacement cartridge: H2F-C|H2FLOW must be installed on the cold water supply only|Changing the H2F-C cartridge at least once every 2 years is recommended