A.O. Smith | A.O. Smith® AOW-S400 Hi-Capacity Water Softener, 34,800 Grain Capacity

Item #AOSAOWS400

MFG #AOW-S400

UPC811640030421

: Designed for durability - protect your home from the effects of hard water. Reduce scale buildup, eliminate water spots and stains, extend the life of your appliances and preserve the colors in your favorite fabrics.

Looking for model-specific repair or replacement parts? Enter the unit’s serial number into the A.O. Smith Parts Finder.

AOW-S400 HI-CAPACITY WATER SOFTENER 34,800 GRAIN

: Patented, slim, single-unit design with bypass valve

Backup battery saves your settings in case of power loss

Recharges softening media quickly so you don't experience downtime

Save time and money with the self-cleaning sediment filter

2.7 in monochrome touchscreen controller
: Flow Rate7 gpm
Grain Capacity34,800
Height32 in
Pressure Rating20 to 120 psi
Temperature Rating40 to 120 degF
Length18-5/48 in
ManufacturerA.O. Smith
Manufacturer #AOW-S400
Maximum Hardness Removal90 gpg
Minimum pH7
Output Iron Reduction10 ppm
Salt Storage Capacity200 Gallons
Total Length of Regeneration27-1/2 min
Voltage Rating115V
Width22-19/24 in

First Mobile presents FirstSupply.com in a tile-based menu on your phone!

First InStock is our scannable label program makes it easy to stock your shop with First Supply!