Watts OF948-16 User Manual
Frequently Asked Questions
S-OneFlow-FAQ
What is OneFlow™?
OneFlow™ is an anti-scaling water treatment
technology designed to protect plumbing
components, pipes, xtures, valves, ttings,
hot tanks, etc. from the negative effects typically caused by water hardness. OneFlow
is an environmentally friendly alternative
to water softening or any other treatment
device designed to address scale. OneFlow
prevents scale by transforming dissolved
hardness minerals into harmless, inactive
microscopic crystal particles. These crystals stay suspended in the water and have
a greatly reduced ability to react negatively
and form scale compared to untreated hard
water.
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How does OneFlow™ differ
from a Water Softener?
OneFlow™ uses a specially designed media
to convert the dissolved primary hardness
mineral (calcium carbonate) into a relatively
insoluable microscopic crystal so that it cannot cause harm downstream. A water softener, on the other hand, uses the principles
of “ion exchange” to remove calcium and
magnesium ions from water while replacing
them with sodium ions. A water softener
requires a control valve, backwashing, drain
line, regeneration and a brine tank to store
salt while OneFlow
inlet and outlet connection.
™
requires nothing but an
Does OneFlow™ remove the
important minerals in water?
No. OneFlow™ preserves the bene cial mineral content while preventing the possible
negative scale formation associated with
these minerals. By rendering the hardness
minerals harmless while still keeping them
present, you truly get the best of both
worlds. Other treatment methods fall short.
In a 2005 report on Nutrients in Drinking
Water, the World Health Organization
writes…“We conclude that hard water is
good because it contains nutrients valuable
in themselves…To minimize heart disease
risk, the ideal water should contain suf cient
calcium and magnesium to be moderately
hard.”
What are some of the ideal
applications for OneFlow
Virtually any application where scale
reduction or scale removal from water
hardness is required or desirable. For
example: Hotels, Restaurants, Apartment
Buildings, Office Buildings, Condo
Complexes, Boilers, Irrigation Systems,
Humidi ers, Distillers, Steam Generators,
Solar Heating Systems, Tankless Water
Heaters, RO Pre-Treatment, Misting
Systems, Tract Homes Builders,
Laundromats and numerous Food Service
applications are all ideal applications for a
OneFlow
™
system.
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?
How about other chemicals
found in city water, such
as Fluoride and Chlorine,
does OneFlow
™
remove
them?
No. We all know the important role that
chlorine (or chloramine) plays in a public
water system. It assures the delivery of
safe potable water to every customer.
Fluoride is commonly added to municipal water systems because of the proven bene ts it possesses in helping to
develop children’s teeth and to prevent
tooth decay. OneFlow
does not remove either of these additives
from water. However, some OneFlow
cartridge systems contain carbon-based
media to remove and reduce chlorine
in Food Service and other Point-Of-Use
applications. Please contact your local
authorized OneFlow
most appropriate for your speci c application.
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media, by itself,
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Rep for the system
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What factors may effect
OneFlow’s system performance?
Water chemistry and peak ow rate are
the guidelines used to assure optimal
system performance. Most municipally
treated (city) water falls well within our
performance guidelines to ensure scale
control results. However, there are chem-
istry limitations related to possible foulants and interference ions. Water known
to contain visible dirt and debris must be
strained using a wye-pattern strainer or
equivalent (100 mesh) before OneFlow
tank systems. More details are available
on the product datasheets and IOMs.
As with any water treatment technology,
correct sizing of the system is important
to ensure proper performance. However,
OneFlow
tions and unplanned peaks than a conventional water softener.
™
is more forgiving of ow varia-
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Does the media in a
OneFlow
™
system need to
be replaced?
Yes. Tank-based systems require media
replacement every three years. Systems
should be installed with this in mind. An
isolation valve with a by-pass loop is recommended for most commercial applications so the tank(s) can be taken off-line
for media replacement. Filter housing
based systems require cartridge replacement every year. Please refer to and
follow the instructions in the Installation,
Operation & Maintenance manual included with the OneFlow
™
system.
Are there any application
limitations to OneFlow
Untreated well water may pose a limitation to OneFlow
chemistry it often possesses. High hardness is never a problem for OneFlow
but with well water, hardness minerals
are often accompanied by other contaminants with levels outside of our operating guidelines. Additionally, closed-loop
systems that do not offer a “blow-down”
or “ ush valve” are not recommended
because the micro-crystals need to exit
the system.
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due to the unknown
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?
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,
How easy is it to install a
OneFlow
For anyone who has ever installed a Water
Pressure Reducing Valve or a Back ow
Preventer, installation of a OneFlow
tem will be relatively easy. Tank systems
offer “sweat” or “plastic MPT” connection
sizes in
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system?
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sys-
3
/4", 1" & 11/4". Larger tanks offer
single socket or manifold connections in
2" sizes. Several OneFlow
accessories are offered to accommodate
most applications. OneFlow
are compact allowing for easy installation
when space is limited. OneFlow's
weight makes it easy for the installer to
transport with nothing more than a hand
truck.
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installation
™
systems
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What are the ongoing
maintenance costs and
considerations for
OneFlow
One of the great bene ts of the OneFlow™
technology is the dramatically reduced
maintenance requirements. Other than
the planned media replacement, there is
nothing else required. For tank systems,
the media replacement is once every
three years, and for lter housing systems, it's once a year. That's it.
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?
Why is OneFlow™ a
“Green Technology”?
OneFlow™ is truly a “Green product”
because it saves water and energy in the
following ways:
1. Reduces Energy Consumption –
OneFlow
reduces energy consumption by
keeping heat transfer surfaces free of
energy-robbing scale formation.
2. Reduces Chemical or Raw
Material Consumption – OneFlow
requires no chemical or signi cant
ongoing consumable (salt, as an
example)
3. Reduces Waste Water Discharge and
Water Consumption – Because
OneFlow
require backwashing it meets
both objectives.
4. Reduces Space Requirements –
OneFlow™ systems use approximately
75% less oor space than water
softeners.
5. Retains nature's minerals in the
water. The bene cial minerals,
calcium & magnesium, are
completely retained.
For More Information Visit: TheScaleSolution.com
™
uses no electricity and
™
does not discharge or
light
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Water Safety & Flow Control Products
Canada: 5435 North Service Rd., Burlington, ONT. L7L 5H7; www.wattscanada.ca
S-OneFlow-FAQ 0741 © Watts Regulator Company, 2007
USA: 815 Chestnut St., No. Andover, MA 01845-6098; www.watts.com
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