A.O. Smith AO-WH-SOFT-400T - Page 21

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SPECIFICATIONS
PRODUCT SPECS
MODEL
AO-WH-SOFT-350 AO-WH-SOFT-400T
Maximum Capacity 35,000 grains 40,000 grains
Maximum Compensated Hardness
(Grains per gallon/L)
90 gpg (1,540 mg/L) 100 gpg (1,710 mg/L)
Maximum Ferrous Iron Reduction - ppm* 10 ppm 10 ppm
Minimum pH - standard units 7 7
Maximum Chlorine - ppm 0 0
Water & Ambient Temperature
Min - Max
40 – 120º F
(4 – 49º C)
40 – 120º F
(4 – 49º C)
Water Pressure
Min - Max
20 – 120 psi
(1.4 – 8.3 bar)
20 – 120 psi
(1.4/8.3 bar)
Maximum Flow Rate to Drain
During Regeneration
2 gpm
(7.6 L /min)
2 gpm
(7.6 L /min)
Minimum Water Flow
for Backwash
2 gpm
(7.6 L /min)
2 gpm
(7.6 L /min)
Service Flow Rate
(@15 psi (1.0 bar)) drop - gpm (L/min)
7.5 gpm
(30 mg/L)
8 gpm
(30 mg/L)
High Efciency Salt Setting
lb/grains (kg/g) removed
3 lbs / 13,500 grains
(1.4 kg / 875g)
5 lbs / 21,600 grains
(2.3 kg / 1,400g)
High Efciency Salt Setting
Total Length of Regeneration
min/gal (min/L)
27.5 lbs / 21 grains
(27.5 kg / 80g)
35 lbs / 26 grains
(35 kg / 98g)
High Capacity Salt Setting
lb/grains (kg/g) removed
7 lbs / 26,300 grains
(3.2kg / 1,700g)
9 lbs / 33,600 grains
(4.1kg / 2,170g)