Precautions - A.O. Smith AO-WH-SOFT-350 Owner's Manual

Softener Do's
• DO Comply with all state,
local, building, plumbing,
and electrical codes.
• DO Test your water quality with
strips provided. Optionally, obtain
a report on your water's quality.
• DO Install water softener
before water heater.
• DO Install water softener after
the pressure tank on well water
installations.
• DO Install a pressure-reducing
valve if inlet pressure exceeds
70 psi (4.8 bar).
• DO Examine inlet line to ensure
water will flow through it freely
and confirm inlet pipe is sized
correctly. For well water with iron,
the recommended minimum inlet
pipe size is 3/4" (1.9 cm) I.D.
and for municipal water the
recommended minimum inlet
pipe size is 1/2" (1.27 cm) I.D.
• DO Install a gravity drain on cabinet.
• DO Secure drain line on water
softener and at drain outlet.
Due to high pressure, clamps are
recommended on drain line.
• DO Allow a minimum of 8 to 10'
(2.4 to 3.0 m) of 3/4" (1.9 cm) pipe
from the outlet of water softener
to the inlet of water heater.
Softener Don'ts
• DON'T Install if checklist items
are not compliant. (see Checklist
Before Installation)
• DON'T Install if incoming or outlet
piping water temperature exceeds
120°F (49°C). (see Specifications)
• DON'T Allow soldering torch
heat to be transferred to valve
components or plastic parts when
using optional copper adapters.
• DON'T Over-tighten plastic fittings.
Fittings can be obtained at Lowe's.
• DON'T Position water softener
against a wall that would prohibit
access to plumbing.
• DON'T Install water softener
backwards. Refer to the arrows
on inlet and outlet for correct
installation.
• DON'T Plug transformer into
an outlet that is activated by
an On/Off switch.
• DON'T Connect drain and the
overflow (gravity drain) lines
together.
• DON'T Use to treat water that
is microbiologically unsafe or
of unknown quality without
adequate disinfection before
or after the water softener.
• DON'T Allow your water
softener or drain line to freeze.
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PRECAUTIONS

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