A.O. Smith X8 User Manual page 22

Recommended input Feed water quality for the optimum
performance of your product
RECOMMENDED FEED WATER QUALITY
Parameter
Total Dissolved Solids (TDS) Up to 2000 ppm
Total hardness
Turbidity
Iron
Feed water pressure
Feed water temperature
Warranty details/Recommended filter change:
As per the warranty, all the filters, including RO membrane needs to be replaced when the
SCPA change and RO change indicator blinks (Refer page 7 and 8). This would be 1 year
(approx.) assuming daily consumption of 10 Liters per day of purified water.
Limits
Up to 500 ppm
Up to 5 NTU
0.3 ppm (max.)
7 psi to 30 psi
5°C to 45°C
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