Installation, Operation and
Maintenance Manual
Model OF220-2
OneFlow
Anti-Scale Systems
®
Chemical-Free, Salt-Free Scale Prevention
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.
Introduction
The Watts OneFlow
Anti-Scale System will filter and condition
®
the tap water providing optimum water characteristics for their
specified applications. The result is reduced equipment mainte-
nance requirements, longer equipment life and improved quality
and consistency of your products.
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 chang-
es. The instructions make periodic maintenance quick and easy
and ensure you will receive maximum benefit from your system.
System Specifications
Inlet/Outlet Connections:
Service Flow Rate: 1-2 gpm
Gallon Rating: OF220-2: 30,000 gals. for the OF120RC,
1 year for the OF120RM
Capacity: OF120RC - change the cartridge at gallon rating or at
least every six months.
Capacity: OF120RM 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
OF120RM cartridge at least once a year.
WARNING
!
You are required to consult the local building and plumbing
codes prior to installation. If the information in this manual is
not consistent with local building or plumbing codes, the local
codes should be followed. Inquire with governing authorities
for additional local requirements.
/
" FNPT
1
2
WARNING
!
Need for Periodic Inspection and Yearly Maintenance:
Periodic inspection and yearly maintenance by a licensed
contractor is required. Corrosive water conditions and/or
unauthorized adjustments or repair could render the valve
ineffective for service intended. Regular checking and
cleaning of the valve's internal components and check
stops helps assure maximum life and proper product
function. Frequency of cleaning and inspection depends
upon local water conditions.
IOM-OF220-2