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48,000 Grain Water Softeners and Up

All Water Softeners

9 48,000 grain water softeners and up from AFWFilters, Aquasure, DuraWater and more. Most cost $792 to $825, and half cost less than $802.

Whole-house water softeners whose title states a grain capacity of 48,000 grains or more.

We do not pick by hand: a water softener is here because its listed specs pass the checks.

Top brands: AFWFilters (4)

All filtersFilters (1)×
Grain capacity: 48000  ×Clear all
BrandAFWFilters4DuraWater4Aquasure1
System typeSalt-based8Dual tank1
Grain capacity4800096400038000035000029600021100001600001
Metered regenerationMetered regeneration6
Control valveFleck 5600SXT7Fleck 9100SXT1
Whole houseWhole house4
PriceUnder $7001Under $8003Under $9004$700 & above7$800 & above4
Clear allShow 9 Water Softeners
Grain capacity: 48000  ×9 resultsSort byRecommendedSpec scorePrice: low to highPrice: high to low
AFWFiltersSpec score 8.8

Salt-based, 48000 Grain capacity, Fleck 5600SXT

+Whole-house system treats water throughout the home
+Metered regeneration uses water based on usage
+48,000 grain capacity for households with moderate hardness
−Salt-based softening requires regular salt refills
$804.99
as of 11/04/2026 10:41 PST - Details
AFWFilters

Dual tank, 48000 Grain capacity, Fleck 9100SXT

+Dual tank design keeps soft water flowing during regeneration
+48,000 grain capacity
+Digital Fleck 9100SXT control valve
−Dual tank design takes up more floor space
No price recorded yet.
AquasureSpec score 8.8

Salt-based, 48000 Grain capacity

−48000 grain capacity: 12 of the 21 here have a higher grain capacity
$629.99
as of 11/04/2026 11:42 PST - Details
AFWFiltersSpec score 8.8

Salt-based, 48000 Grain capacity, Fleck 5600SXT

+48,000 grain capacity suits larger households
+Metered Fleck 5600SXT control valve
+Includes a by-pass valve for servicing
−Requires salt refills to keep softening
$791.99
as of 11/04/2026 00:00 PST - Details
AFWFiltersSpec score 8.8

Salt-based, 48000 Grain capacity, Fleck 5600SXT

+Whole house system for all water outlets
+Fleck 5600SXT digital metered-demand control
+48,000 grain capacity
$804.99
as of 11/04/2026 10:41 PST - Details
DuraWater

Salt-based, 48000 Grain capacity, Fleck 5600SXT

+Whole-house system treats water at every tap
+48,000 grain capacity for medium to large households
+Fleck 5600SXT control valve
$825.00
as of 11/04/2026 17:42 PST - Details
DuraWater

Salt-based, 48000 Grain capacity, Fleck 5600SXT

+48,000 grain capacity for medium to large households
+Iron removal capability for iron-heavy water
+Fleck 5600SXT control valve
$839.00
as of 11/04/2026 17:42 PST - Details
DuraWaterSpec score 8.8

Salt-based, 48000 Grain capacity, Fleck 5600SXT

+48,000 grain capacity
+Fleck 5600SXT metered on-demand control
+Includes brine tank and bypass valve
$793.00
as of 11/04/2026 10:41 PST - Details
DuraWaterSpec score 8.8

Salt-based, 48000 Grain capacity, Fleck 5600SXT

+48,000 grain capacity for medium to large households
+Metered control regenerates based on water use
+Fleck 5600SXT control valve
$799.00
as of 11/04/2026 17:42 PST - Details

Compare specs

water softenerSystem typeGrain capacityControl valveSpec scorePrice
Salt-based48000Fleck 5600SXT8.8$804.99
as of 11/04/2026 10:41 PST - Details
Dual tank48000Fleck 9100SXTn/aNo current price
Salt-based480008.8$629.99
as of 11/04/2026 11:42 PST - Details
Salt-based48000Fleck 5600SXT8.8$791.99
as of 11/04/2026 00:00 PST - Details
Salt-based48000Fleck 5600SXT8.8$804.99
as of 11/04/2026 10:41 PST - Details
Salt-based48000Fleck 5600SXTn/a$825.00
as of 11/04/2026 17:42 PST - Details
Salt-based48000Fleck 5600SXTn/a$839.00
as of 11/04/2026 17:42 PST - Details
Salt-based48000Fleck 5600SXT8.8$793.00
as of 11/04/2026 10:41 PST - Details
Salt-based48000Fleck 5600SXT8.8$799.00
as of 11/04/2026 17:42 PST - Details

Before you buy

Other uses

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Popular filters

Water Softeners with Whole House33Salt-Based Water Softeners23Water Softeners with Metered Regeneration14Salt-Free Water Softeners11Fleck 5600SXT Water Softeners948,000-Grain Water Softeners9Water Softeners with Iron Removal8Portable or RV Water Softeners8

Spec scores, pros and cons, and prices are explained in the How it works section of the About page.