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Equipment Specifications
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.
Copper lines need to be passivized for a
minimum of 4 weeks before placing unit
into service. Not for use on closed loop
systems.
pH
6.5 to 8.5
Hardness (maximum)
75 grains (1300 ppm CaCO3)
Water Pressure
15psi to 100psi (103 kPa to 6.9 bar)
Temperature
40°F to 110°F (5°C to 43°C)
Chlorine
< 3ppm
Iron (maximum)
0.3 mg/l
Manganese (maxi-
0.05 mg/l
mum)
Copper
None allowed
Oil & H2S
None allowed
Polyphosphate
None allowed
Silica (maximum)
10 ppm
Mechanical Specifications
MODEL
Dry Weight (lbs)
Service Weight (lbs)
Dimensions
(nominal - inches)
a
b
c*
d
e*
10.25
* The overall height and the height of the inlet fitting varies due
to material variations and assembly tolerances. Please allow ad-
ditional clearance above the tank for making connections.
Maximum Service Flow (gpm) vs. Water
Temperature
Continuous Duty Systems:
System
40°F
45°F
14-65
40
44
16-65
45
51
Intermittent Duty Systems:
14-65
50 GPM at all temperatures
16-65
75 GPM at all temperatures
* Intermittent duty is defined as less than 2 hours of Maximum
Flow per 24 hour period. Higher Flow rates can be achieved by
combining systems in an array.
c
1465
1665
54
68
350
420
17
17
14
16
79
79
65
65
10.50
50°F
55°F
60°F
65°F
48
50
50
50
56
59
63
69
• We recommend the installation of a dual-union ball-valve on
the inlet and outlet to isolate the tank for servicing.
• A full bypass should be installed so that the full service flow
can be routed around the system as needed for servicing.
b
d
• The OneFlow
is opposite of a conventional softener. The inlet is on the bot-
tom, the outlet on the top.
Installation
e
Tighten the Tank Bushings
a
Install Piping
Connect the inlet and outlet plumbing according to
your preferences and any applicable local codes.
Include sample/drain ports with hose-bibb con-
nections on the inlet and outlet piping to facilitate
startup and service.
It is very important to use flexible connections on
the inlet and outlet plumbing. The tanks expand
and contract with water pressure fluctuations.
Flexible connectors will prevent plumbing and tank
leaks. Order Part Number C515285 for Watts 2"
Flexible Connectors (2 are required for installation)
Support the Piping
The full weight of the piping and
valves must be supported by uni-
strut, pipe hangers or other means.
The tank connections cannot sup-
port the weight of the piping. This
photo from a multi-tank system
installation shows properly sup-
ported piping.
Start-Up
Connect a hose to the hose bibb on the
outlet of the tank. Run the hose to a drain.
Slowly / partially open the supply water
70°F
ball valve. Allow the tank to slowly fill with
50
water. When a steady stream of water ap-
pears at the drain, close the supply valve.
75
Open the inlet and outlet valves on the
system. Transfer the bypass valves from
Bypass to the Service position. Open
a nearby faucet downstream from the
OneFlow
system to relieve any air.
®
Check for leaks. Repair as needed.
The system is now ready for service.
3
system operates in the Up-Flow mode which
®
Tank bushing.
Rotate Clockwise
to tighten.
Lay the tank down and check the bushings
on the inlet and outlet (bottom and top) of the
tank. It is common for them to loosen during
shipment. Tighten the bushings with a strap
wrench as needed
2
1
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