A.O. Smith AO-WH-SOFT-450T - Product Specifications Overview; Key Product Performance Specs; Salt Settings and Regeneration Lengths

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PRODUCT SPECS
MODEL
AO-WH-SOFT-
450T
AO-WH-SOFT-
PRO-300
AO-WH-SOFT-
PRO-500
Maximum Capacity 45,000 grains 30,000 grains 50,000 grains
Maximum
Compensated Hardness
(Grains per gallon/L)
100 gpg (1,710 mg/L) 90 gpg (1,540 mg/L) 110 gpg (1,900 mg/L)
Maximum Ferrous Iron
Reduction - ppm*
10 ppm 0 10 ppm
Minimum pH - standard units 7 7 7
Maximum Chlorine - ppm 0 3 0
Water & Ambient
Temperature
Min - Max
40 – 120º F
(4 – 49º C)
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)
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)
2.4 gpm
(9.1 L /min)
Minimum Water Flow
for Backwash
2 gpm
(7.6 L /min)
2 gpm
(7.6 L /min)
2.4 gpm
(9.1 L /min)
Service Flow Rate
(@15 psi (1.0 bar)) drop -
gpm (L/min)
7.5 gpm
(28.4 L/min)
9.1 gpm
(34 L/min)
8 gpm
(30 L/min)
High Efciency Salt Setting
lb/grains (kg/g) removed
5 lbs / 21,600 grains
(2.3 kg / 1,400g)
3 lbs / 13,400 grains
(1.4 kg / 868g)
6 lbs / 26,400 grains
(2.7 kg / 1,710g)
High Efciency Salt
SettingTotal Length
of Regeneration
min/gal (min/L)
35 lbs / 26 grains
(35 kg / 98g)
27.5 lbs / 21 grains
(27.5 kg / 80g)
42.5 lbs / 30 grains
(42.5 kg / 114g)
High Capacity Salt Setting
lb/grains (kg/g) removed
9 lbs / 33,600 grains
(4.1kg / 2,170g)
7 lbs / 26,000 grains
(3.2kg / 1,685g)
10 lbs / 39,500 grains
(4.5kg / 2,560g)
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SPECIFICATIONS