2
OneFlow
®
+ System Benefits
• Reduces sediment, chlorine taste and odor
• Chemical-free scale prevention and protection – converts
hardness minerals to harmless, inactive microscopic
crystals making OneFlow
®
+ systems an effective salt-free
alternative to ion exchange water softeners
• Virtually maintenance free – No salt bags or other chemicals
to constantly add or maintain
• No control valve, no electricity and no wastewater
• Environmentally friendly technology adds no salt or chemicals
to the water system
• Improves efficiency of all water heating devices and
downstream plumbing components
• Simple installation – standard 1" connections
• Excellent system for homes where equipment protection is
desired for longer equipment life and reduced energy
consumption
• OneFlow
®
+ cartridge-based systems are easily maintained
• Easily installed mounting bracket and multi-function tool
included to allow cartridge change-outs when necessary
Equipment Specifications
Watts OneFlow
®
+ systems are complete, self-contained,
loaded with media and ready to use. A simple inlet and outlet
connection is all that is required for installation. Please review
operating pressures, temperatures and water chemistry
limitations to ensure compatibility and performance.
Using OneFlow
®
+ systems with other water
treatment equipment.
There are some unique requirements for using OneFlow
®
+
systems in conjunction with other forms of water treatment.
1. OneFlow
®
+ system must be the last stage in the treatment
chain. Do not install any filters after the OneFlow
®
system or
before any devices for which scale prevention is required.
2. Do not apply any other antiscalants before or after OneFlow.
Setup
Unpack and check the system components for damage or
missing parts.
Installation Considerations
Consider the following points when determining where to install
the system:
• Do not install the system where it would block access to
the water heater, main water shutoff, water meter, or
electrical panels.
• Install the system in a place where water damage is least likely
to occur if a leak develops.
14
1
⁄
2
"
4
5
⁄
16
"
1
1
⁄
8
"
3" Min. Removal Clearance
32" Min to 60" A.F.F.
Installation Height
Side View
1"MNPT Inlet
Connection
from water
supply
D
B
E
A
2
9
⁄
16
"
3
11
⁄
16
"
5
⁄
16
"
3" Min. Removal Clearance
Back View
Dimensions — Weights
Model Dimensions Weight
A B C D E
in. mm in. mm in. mm in. mm in. mm lbs. kgs
OFPSYS 18
3
⁄
4
476 5
11
⁄
16
144 8
1
⁄
16
205 11
3
⁄
8
289 5
1
⁄
2
140 16.6 7.5
The overall height and the height of the inlet fitting varies due to material variations and assembly
tolerances. Please allow additional clearance above the filter for making connections.
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