Product Overview

Storage Tank Water Heaters
Gas or Electric Tankless Water Heaters
Tankless Water Heater Accessories
Specification Sheet
H2Flow Anti-Scale System
NORITZ AMERICA CORPORATION
11160 Grace Avenue, Fountain Valley, CA 92708 Tel. 1-866-7NORITZ www.noritz.com
H2Flow Anti-Scale System
H2Flow System (#H2F)
Compatible with All Water Heaters
Rev. 4/10
• Designed for all water heater types and models regardless
of manufacturer
• Prevents scale formation to improve efficiency and prolongs
the life of your water heater
• Uses no salt or chemicals and provides a more environmentally
friendly alternative to water softeners
• Includes standard 3/4” connections with an inlet ball valve for
fast servicing
• Low Maintenance - replace the H2Flow cartridge once every
two years*
Dimensions
Example Installation
Replacement Cartridge (#H2FC)
H2Flow (#H2F)
3.5”
2.8”
1.3”
1”
3
/ 4 " FPT outlet
connection to
equipment
9.8”
7.8”
5.8”
26.0”
21.9”
3.5”
to inlet
3
/
4
" full flow
ball valve inlet
connection to
water supply
8.6”
2.9”
FRONT VIEW
SIDE VIEW
NOTE: H2FLOW must be installed on the cold water supply
only. If the system uses a recirculation pump, install
the H2FLOW on the cold water line prior to the check
valve as illustrated in this example.
Specifications
Max. Operating Temperature: 100˚F/38˚C
Max. Operating Pressure: 90 psi/620.1 kPa
Inlet/Outlet Connections: 3/4” FNPT
Service Flow Rate:
Gallon Rating: Up to 6 GPM
0.5 to 10 GPM
Water Chemistry and Limitations
HP 6.5 to 8.5
Hardness (maximum) 75 grains (1300 ppm CaCO3)
Temperature 41°F to 100°F (5° to 40°C)
Chlorine < 3 ppm
Iron (maximum) 0.3 mg/l
Manganese (maximum) 0.05 mg/l
Copper (maximum) 1.3 mg/l
Oil & H2S none allowed
Polyphosphate none allowed
Silica (maximum) 10 ppm
* The effectiveness of the H2Flow cartridge will depend on the chemistry
of the cold water supply. Refer to the Water Chemistry & Limitations
chart located above. Changing the H2FC cartridge at least once every
TWO years is recommended.
• Also includes mounting bracket and filter wrench designed to
make installations and maintenance quick and easy