WATER SUPPLIES
32
SUMMARY OF WATER CHEMISTRY ADVICE AFFECTING WARRANTY
The water heater is not suitable for certain water chemistries. Those chemistries are listed below. If the water
heater is connected at any time to a water supply with the following water chemistry, the Solahart warranty will
not cover any resultant faults:
Water Chemistry
Component
Total Dissolved Solids (TDS) > 2500 mg/L
water heater cylinder
Total Dissolved Solids (TDS) not suitable for anode type
water heater cylinder
Saturation Index (SI) < -1.0
copper sheathed heating unit
Saturation Index (SI) > +0.4
(if expansion control valve is not fitted)
water heater cylinder
temperature pressure relief valve
Saturation Index (SI) > +0.8
standard watts density heating unit
+0.4
+0.8
0
-1.0
no w
a
rra
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ty app
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s
to
a
:
te
m
p
e
ra
tu
re
p
re
s
s
u
re
r
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li
e
f
v
a
lv
e
o
r
a
w
a
te
r
h
e
a
te
r
c
y
li
n
d
e
r
u
n
le
s
s
a
n
e
x
p
a
n
s
io
n
c
o
n
tr
o
l
v
a
lv
e
i
s
f
it
te
d
.
no w
a
rra
n
ty app
lie
s
to
a
:
-c
o
p
p
e
r
s
h
e
a
th
e
d
h
e
a
ti
n
g
u
n
it
SATURATION INDEX (SI)
ELECTRIC WATER HEATERS
WITHIN WARRANTY
SPECIFICATION
SATURATION INDEX
(calculated @ 80°C water temperature)
no w
a
rra
n
ty app
lie
s
to
a
:
-s
ta
n
d
a
rd
w
a
tt
s
d
e
n
s
it
y
h
e
a
ti
n
g
u
n
it
very corrosive
very scaling
scaling
corrosive
