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WL250
Operating,
Installation,
and
Service
Manual
Page
24
‐
Revision:
4
‐
25
‐
2016
5.
Allow
descaling
solution
to
remain
in
the
Hot
Tank
for
15
minutes
(length
of
time
may
vary
depending
on
water
conditions).
6.
Place
a
pitcher,
catch
basin
or
other
container
under
the
faucet
of
the
WL250
.
7.
Flush
the
Hot
Tank
until
water
runs
clear.
8.
Once
clear
Water
dispenses
from
the
faucet
the
Hot
Tank
has
been
descaled.
Always
ensure
the
WL250
Water
Treatment
System
is
performing
to
the
customer’s
satisfaction.
WARNING!
HOT
WATER
HAZARD.
The
WL250
Water
Treatment
System
Produces
Hot
Water
and
Steam.
Always
use
insulated
and
chemically
compatible
containers
and
let
WL250
Water
Treatment
System
cool
down
before
draining
the
hot
tank
to
avoid
injury.
CAUTION
!
MUST
REPLACE
HOT
TANK
EVERY
3
‐
5
YEARS
DEPENDING
ON
USAGE
The
hot
tank
and
its
controls
must
be
replaced
a
minimum
of
every
three
to
five
years
depending
on
usage
to
ensure
efficient
and
dependable
operation.
WARNING!
REINSTALL
ALL
PANELS
AND
COVERS.
Always
reinstall
all
panels,
protective
covers,
and
fasteners
after
servicing
equipment.
Failure
to
do
so
could
result
in
severe
personal
injury
and
will
void
the
certifications
and
warranty
of
the
equipment
.