Installation, Operation and
Maintenance Manual
Model OFTWH-R
OneFlow
®
Anti-Scale System
Chemical-Free, Salt-Free Scale Prevention
Introduction
The OneFlow
®
Anti-Scale System provides protection from scale
formation on internal plumbing surfaces. The OneFlow
®
system
is a single cartridge-based system that must be installed on a
cold water line prior to a single residential water heating device
(water heater or tankless water heater).
The OneFlow
®
system is built with the finest and most advanced
materials and each system is quality inspected and pressure
tested prior to shipment. With proper installation and routine
maintenance, you will have years of trouble-free operation.
Please refer to this manual when performing routine filter changes.
The instructions make periodic maintenance quick and easy and
ensure you will receive maximum benefit from your system.
System Specifications
Inlet/Outlet Connections:
3
⁄
4
" FNPT (19.05 mm)
Nominal Flow Rate up to 6 gpm (22.71 lpm)
Maximum Pressure:
90psi/6.2 bar
Maximum Temperature:
100°F / 38°C
Minimum Temperature:
40°F / 5°C
Capacity:
OFTWH-R-RM cartridge does not have a grain removal
capacity, however, other contaminants present in the water will
gradually degrade the effectiveness of this cartridge. Change the
OFTWH-R-RM cartridge at least once every two years.
IOM-OFTWH-R
WARNING
!
Read this Manual BEFORE using this equipment.
Failure to read and follow all safety and use information
can result in death, serious personal injury, property
damage, or damage to the equipment.
Keep this Manual for future reference.
WARNING
!
• Connect system to cold water supply only. Water temperature
cannot exceed 100°F / 38°C.
• System must be installed in a vertical, upright and level
position.
• Do not apply any other antiscalants before or after OneFlow.
• Do not use with water that is microbiologically unsafe or of
unknown quality without adequate disinfection before or after
the system.
