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This comparison of afwfilters 48k grain black softener vs afw filters built fleck highlights two whole-house systems from the same brand. Both units use the Fleck 5600SXT digital meter valve and offer 48,000-grain capacity. They share identical dimensions, upflow carbon filtration, and support for households of two to five people. The primary difference lies in the resin media. One uses standard 8% resin, while the other features upgraded Purolite C100E resin made in the USA. This change affects performance and material origin without altering the physical footprint.
Resin Media
8% resin
Purolite C100E resin
Resin Origin
not listed
USA made
Installation Type
Whole house
Whole house
Control Valve
Fleck 5600SXT
Fleck 5600SXT digital meter
Grain Capacity
48,000
48,000 grain
Choose the first if
- You prefer a system with standard 8% resin media
- You want a complete package that includes a water bottle with sanitizer and test strips
- You need a whole-house softener for two to five people
Choose the second if
- You prioritize resin manufactured in the USA
- You want the Purolite C100E resin specification
- You seek a system with identical filtration capacity but different media origin
Verdict
Both systems deliver identical softening capacity and carbon filtration for small households. Choose the first option if you value the included installation accessories. Select the second option if you prefer the specified Purolite C100E resin made in the USA.
01 Spec Comparison: Softener Resin Types
Resin media type
Edge: AFW Filters Fleck 5600SXT 48k Grain
The AFWFilters 48k Grain Black Softener uses standard 8% cross-linked resin for its softening stage. In contrast, the AFW Filters Built Fleck 5600SXT 48k Grain upgrades to Purolite C100E resin. This specific resin is manufactured in the USA. Both systems maintain the same 48,000-grain capacity. The choice between standard 8% resin and the named Purolite C100E media is the primary difference in construction. You get identical flow rates and valve control in both cases. However, the specific resin brand may matter to some buyers who prefer known domestic manufacturing sources for their water treatment components.
Control valve model
Edge: Tie
Both units rely on the Fleck 5600SXT digital meter valve for operation. This valve controls the regeneration cycles based on water usage. The product data lists the valve model identically for both systems. You get the same digital interface and metering accuracy regardless of which softener you choose. Both valves come with a five-year warranty. The tank itself carries a ten-year warranty in both packages. Since the core control mechanism is the same, there is no functional difference in how the systems manage softening cycles. This aspect remains a complete tie between the two options.
Carbon filtration design
Edge: Tie
Each system includes an upflow carbon filtration stage. This design uses 1.5 cubic feet of high-activity carbon media derived from coconut shells. The upflow direction allows contaminants to be trapped without requiring backwash cycles. This means no electricity is needed for the filtration part, and no drain line is required. Both products remove chlorine, chloramines, pesticides, herbicides, and odors. The filtration performance and environmental benefits are identical. You get the same cleaner water output from the carbon stage in both packages. The carbon media specifications and flow path are the same for both models.
Physical dimensions
Edge: Tie
The footprint and height of these two water softeners are identical. Both units measure 10 inches in width and length. The height for both is 54 inches. This consistent size means they fit into the same spaces in your home. You do not need to adjust your plumbing layout or cabinet space for either model. The color is also listed as black for both systems. The physical installation requirements are exactly the same. This makes swapping between them or choosing based on space constraints a non-issue. The dimensions provide a perfect match for your installation planning.
Household capacity
Edge: Tie
Both systems are rated for households of two to five people. The recommended service flow rate is up to 12 gallons per minute for both units. This capacity handles the typical demand of small to medium-sized families. The 48,000-grain capacity supports this usage level effectively. You get the same performance in terms of water volume and softening ability. The valve settings and resin volume are calibrated for this same range. There is no advantage in capacity or flow rate for either model. Both are equally suitable for your household size needs.
02 Which AFWFilters softener fits your needs?
Users prioritizing certified domestic resin quality
Our pick: AFW Filters Fleck 5600SXT 48k Grain
The AFW Filters Built Fleck 5600SXT 48k Grain uses Purolite C100E resin. This media is explicitly noted as USA made in the product data. If you prefer components manufactured domestically, this specific resin choice offers that assurance. Both systems provide identical grain capacity and valve performance for your household.
Buyers seeking standard resin with included accessories
Our pick: AFWFilters 48k Grain Black Softener with Carbon
The AFWFilters 48k Grain Black Softener with Carbon includes a dedicated water bottle. This bottle contains a sanitizer pack, silicone lubricant, and hardness test strips. These items are specifically listed as included with this model to aid installation. You get these practical tools alongside the standard 8% cross-linked resin and carbon filtration system.
Households needing general filtration and softening
Our pick: AFWFilters 48k Grain Black Softener with Carbon
Both units share identical upflow carbon filtration and 48,000-grain softening capacity. They both handle up to 12 GPM for households of two to five people. The Fleck 5600SXT valve is present in both. You can choose either model based on your preference for resin origin or included installation accessories, as core performance remains the same.
AFWFilters 48k Grain Black Softener with Carbon
Best for: Small homes wanting soft and filtered water
- Grain Capacity
- 48,000
- Installation Type
- Whole house
- Household Capacity
- 2–5 people
- Control Valve
- Fleck 5600SXT
- Media Type
- 8% resin
- Features
- Carbon Filter
This whole-house system combines water softening with carbon filtration. It uses a Fleck 5600SXT control valve and 48,000-grain capacity with 8% resin. The upflow carbon filter removes chlorine, chloramines, and odors without backwashing. It fits households of 2–5 people. The unit measures 10 by 10 by 54 inches. You get technical support and an installation manual with the package.
- 48,000-grain softening capacity
- Fleck 5600SXT digital control valve
- Upflow carbon filtration for chlorine removal
- No backwash or drain line needed
- 10-year tank warranty
- Lower 8% resin density compared to 10% options
- Larger 54-inch height requires vertical space
- Service flow limited to 12 GPM
- You need chlorine and soft water in one unit
- You want to avoid drain line installation
- You have a household of 2–5 people
- You require higher service flow than 12 GPM
- You prefer 10% resin for higher capacity
- You have limited vertical clearance under 54 inches
Verdict: AFWFilters 48k Black Softener suits small homes seeking combined softening and filtration without a drain line. It works well for 2–5 people who want to skip backwashing. Choose it if you value simplicity over maximum resin density.
AFW Filters Fleck 5600SXT 48k Grain
Best for: small homes needing soft and filtered water
- Grain Capacity
- 48,000 grain
- Installation Type
- Whole house
- Household Capacity
- 2–5 people
- Control Valve
- Fleck 5600SXT digital meter
- Media Type
- Purolite C100E resin
- Features
- Carbon Filter
This whole-house system combines a 48,000-grain softener with upflow carbon filtration. It uses Purolite C100E resin and a Fleck 5600SXT digital valve. The carbon filter removes chlorine and tastes without needing a drain or electricity. It suits households of 2 to 5 people. The unit weighs 120 pounds and measures 10 by 54 inches. It includes technical support and installation aids.
- 48,000 grain capacity for softening
- Upflow carbon filtration removes chlorine
- Fleck 5600SXT digital control valve
- No drain or electricity for carbon stage
- 10-year tank warranty included
- Weighs 120 pounds, requiring sturdy floor support
- Carbon stage does not remove dissolved solids
- Limited to 2 to 5 people household size
- You need chlorine removal alongside softening
- You lack a nearby floor drain
- You want a complete installation package
- You need to filter heavy metals
- You have a household larger than 5 people
- You prefer a lighter unit under 100 pounds
Verdict: AFWFilters Fleck 5600SXT 48k Grain delivers combined softening and carbon filtration for small families. It fits homes without drain access but requires space for its 120-pound build.
03 Specifications side by side
| Spec | AFWFilters 48k Grain Black Softener with Carbon | AFW Filters Fleck 5600SXT 48k Grain |
|---|---|---|
| Grain Capacity | 48,000 | 48,000 grain |
| Installation Type | Whole house | Whole house |
| Household Capacity | 2–5 people | 2–5 people |
| Control Valve | Fleck 5600SXT | Fleck 5600SXT digital meter |
| Media Type | 8% resin | Purolite C100E resin |
| Capacity | 48,000 Grain | 48,000 Grain |
| Features | Carbon Filter | Carbon Filter |
| Dimensions | 10 × 10 × 54 inches | 10 × 10 × 54 inches |
| Weight | – | 120 pounds |
| Color | Black | Black |
| Model | 56SXT | 5600sxt |
04 Frequently asked questions
Does the AFWFilters 48k Black Softener require a drain line?
No, it does not. This system is designed for homes without drain access. It uses a unique regeneration method that avoids the need for a traditional drain line. This makes installation simpler for renters or homes in basements where plumbing modifications are difficult. You can install it in tighter spaces without worrying about drainage connections.
What is the weight of the AFW Filters Fleck 5600SXT?
The unit weighs 120 pounds. This weight comes from the internal components and the tank structure. You need a floor that can support this load. The system is heavy even when empty. Ensure your installation area has a solid, level surface to handle the 120-pound build safely.
Are the dimensions the same for both softeners?
Yes, both units share identical dimensions. Each measures 10 inches in width, 10 inches in length, and 54 inches in height. This consistency means they fit into the same physical space. You can swap one for the other without changing your plumbing layout or cabinet size. The footprint remains exactly the same for both models.
Which model is better for a small home with two people?
The AFWFilters 48k Black Softener is a strong choice. It suits small homes seeking combined softening and filtration. It works well for two to five people who want to skip backwashing. The system offers simplicity over maximum resin density. It is ideal if you value easy installation and compact design for your household size.
Does the Fleck 5600SXT include a carbon filter?
Yes, it includes a carbon filter. This feature provides combined softening and carbon filtration. The system upflows water through the carbon bed. This helps remove chlorine and sediment before the water is softened. It delivers clean, soft water for small families who need both functions in a single compact unit.
What valve model do both systems use?
Both systems use the Fleck 5600SXT digital meter valve. This valve controls the regeneration cycles based on water usage. It is a reliable, industry-standard component. You get consistent performance from both units because they share this same control head. The digital meter ensures accurate tracking of your water consumption.
