WATER SUPPLIES
-1.0
very corrosive
SUMMARY OF WATER CHEMISTRY ADVICE AFFECTING WARRANTY
The warranty of this water heater does not apply on the components listed below if the water heater is
connected at any time to a water supply with water chemistry of:
Water Chemistry
Total Dissolved Solids (TDS) > 2500 mg/L
Total Dissolved Solids (TDS) not suitable for anode type
Saturation Index (SI) < -1.0
Saturation Index (SI) > +0.4
(if an expansion control valve is not fitted)
Saturation Index (SI) > +0.8
SATURATION INDEX (SI)
SOLAR WATER HEATERS - ELECTRIC BOOST
WITHIN WARRANTY
SPECIFICATION
0
SATURATION INDEX
(calculated @ 80°C water temperature)
corrosive
16
+0.4
scaling
very scaling
Component
water heater cylinder
water heater cylinder
solar collector
copper sheathed heating unit
water heater cylinder
temperature pressure relief valve
solar collector
standard watts density heating unit
+0.8