We Use CookiesWe use cookies to enhance the security, performance, functionality and for analytical and promotional activities. By continuing to browse this site you are agreeing to our privacy policy

10 Best Fleck 5600 Sxt Water Softeners 2026 in the United States

How do we rank products for you?

Our technology thoroughly searches through the online shopping world, reviewing hundreds of sites. We then process and analyze this information, updating in real-time to bring you the latest top-rated products. This way, you always get the best and most current options available.

headphones-stars

Our Top Picks

#1

Winner

AFW Filters Built Fleck 5600SXT 48,000 Grain Water Softener with Upflow Carbon Filter (10% Resin with Carbon)

The AFW Filters Built Fleck 5600SXT 48,000 Grain Water Softener with Upflow Carbon Filter is a comprehensive whole-house system designed to soften water and remove contaminants. It features a high capacity 48,000 grain softening system with upgraded 10% resin media, making it suitable for households of 2-5 people with a maximum flow rate of 12 gallons per minute. The upflow carbon filtration system is eco-friendly and does not require backwashing, which means it saves on water and electricity, making it a more sustainable option.

The carbon media, derived from coconut shells, effectively removes chlorine, chloramines, pesticides, herbicides, and other chemicals, enhancing the taste and safety of the water. The Fleck 5600SXT digital meter valve, which controls the system, comes with a 5-year warranty, offering peace of mind regarding durability and reliability. The entire system is NSF certified, ensuring compliance with health and safety standards.

Additionally, the product includes a comprehensive installation package with a manual, technical support, and necessary accessories to facilitate installation. On the downside, the system requires professional plumbing installation, which might add extra cost and effort. The unit is also relatively heavy, weighing 100 pounds, which could pose challenges during setup. Although it might be more expensive than other similar systems on the market, its robust performance, comprehensive filtration, and long-term warranties make it a worthwhile investment for households seeking an efficient and reliable water softening solution.

#2

Fleck 5600 SXT Meter Demand Water Softener Grain Capacity 10% Commercial Grade Cation Resin (80,000, Blue)

Rating
9.4
Grain Capacity
Flow Rate
Regeneration Type

Most important from
207 reviews

Grain Capacity
The large brine tank reduces maintenance frequency and prevents salt overflow, adding convenience for users.
Flow Rate
The build quality is solid, and upgrading some fittings enhances durability and prevents flow restrictions.
Regeneration Type
Salt and water savings are notable due to the meter-demand regeneration, with regeneration cycles stretching to several weeks under light use.
Control Valve
Programming the control valve is intuitive once you understand your water hardness, leading to optimal performance.

The Fleck 5600 SXT water softener is a strong option for households or light commercial use needing a high capacity system. It has an 80,000-grain capacity which means it can soften a large amount of water before needing regeneration. The system uses a meter-demand regeneration type, so it only regenerates when necessary, helping to save salt and water, which improves salt efficiency. Its control valve is the well-regarded Fleck 5600 SXT model, known for reliability and easy programming. The unit comes with an upgraded large brine tank designed to hold more salt and prevent overflow, which is handy for less frequent maintenance.

Installation is DIY-friendly with detailed video instructions provided, and the system is built in the USA, which can be reassuring for build quality. The system is relatively heavy at 95 pounds and quite tall, so space and handling should be considered. The 1-inch bypass fitting indicates it should handle typical home water flow well but may be less suitable for very large commercial demands.

This water softener is well suited for homeowners or small commercial settings seeking an efficient, durable system that balances water and salt savings with strong softening capacity.

Rating
9.4
Grain Capacity
Flow Rate
Regeneration Type

Most important from
207 reviews

Grain Capacity
The large brine tank reduces maintenance frequency and prevents salt overflow, adding convenience for users.
Flow Rate
The build quality is solid, and upgrading some fittings enhances durability and prevents flow restrictions.
Regeneration Type
Salt and water savings are notable due to the meter-demand regeneration, with regeneration cycles stretching to several weeks under light use.
Control Valve
Programming the control valve is intuitive once you understand your water hardness, leading to optimal performance.
#3

AFWFilters Premium Fleck 5600 SXT Meter Demand Water Softener - 48,000 Grain Capacity with 10% Long Life Crosslink Resin

Rating
8.8
Control Valve

Most important from
533 reviews

Control Valve
Users appreciated the detailed programming instructions, which made it easy to get the system up and running.

The Pentair 5600 SXT water softener is designed to effectively treat hard water, ideal for households wanting to reduce mineral buildup in plumbing and appliances. With a grain capacity of 48,000, it provides a decent level of performance for medium to large homes, ensuring your water is soft and more pleasant for daily use. One of the standout features is the digital metered control head, which allows for easy push-button programming, making it user-friendly even for those not tech-savvy.

This system also features upgraded 10% crosslink resin, which is more durable against chlorine found in city water compared to standard resin. This resilience means the system can maintain its efficiency longer, which is a significant plus for those in urban areas. The included complete installation kit, along with video instructions and customer support, eases the process for DIY installation.

The Pentair 5600 SXT is relatively heavy at 130 pounds, which might pose a challenge for some users during installation. The performance is commendable with a maximum flow rate of 14 gallons per minute, but at a water consumption rate of 3.5 gallons per minute, it may require some consideration if you have higher demands. The warranty covers five years, and some users have reported occasional maintenance needs, which is something to keep in mind.

Rating
8.8
Control Valve

Most important from
533 reviews

Control Valve
Users appreciated the detailed programming instructions, which made it easy to get the system up and running.

Buying Guide for the Best Fleck 5600 Sxt Water Softeners

Choosing the right water softener is essential for ensuring that your household water is free from the minerals that cause hardness, such as calcium and magnesium. A good water softener can help prevent scale buildup in your pipes and appliances, improve the efficiency of your water heater, and make your skin and hair feel softer. When selecting a water softener, it's important to consider several key specifications to ensure you get the best fit for your needs.
Grain CapacityGrain capacity refers to the amount of hardness the water softener can remove before it needs to regenerate. This is important because it determines how often the system will need to regenerate, which affects both water and salt usage. Grain capacities typically range from 24,000 to 80,000 grains. For a small household with 1-2 people, a lower capacity (24,000-32,000 grains) may be sufficient. For larger households with more water usage, a higher capacity (40,000-80,000 grains) would be more appropriate. Consider your household size and water usage to determine the right grain capacity for you.
Flow RateFlow rate is the amount of water the softener can treat per minute, measured in gallons per minute (GPM). This is important because it affects the water pressure in your home. A low flow rate can result in reduced water pressure, especially during peak usage times. Flow rates typically range from 7 to 20 GPM. For a household with 1-2 bathrooms, a flow rate of 7-10 GPM may be sufficient. For larger homes with more bathrooms, a higher flow rate (12-20 GPM) is recommended to ensure adequate water pressure. Consider the number of bathrooms and water fixtures in your home to choose the right flow rate.
Regeneration TypeRegeneration type refers to how the water softener renews its ability to remove hardness. There are two main types: time-initiated and demand-initiated. Time-initiated systems regenerate at a set time, regardless of water usage, which can lead to inefficiency. Demand-initiated systems regenerate based on actual water usage, making them more efficient and cost-effective. If you have a consistent water usage pattern, a time-initiated system may work for you. However, for most households, a demand-initiated system is preferable as it adapts to varying water usage and reduces waste.
Salt EfficiencySalt efficiency measures how effectively the water softener uses salt to regenerate. This is important because it affects the operating cost and environmental impact of the system. High-efficiency models use less salt and water during regeneration, which can save money and reduce environmental impact. Look for systems with a high salt efficiency rating if you want to minimize salt usage and reduce maintenance costs. Consider your willingness to manage salt levels and the environmental impact when choosing a system with the right salt efficiency.
Control ValveThe control valve is the component that regulates the water softening process, including regeneration. A reliable control valve ensures consistent performance and longevity of the system. Look for control valves that are known for their durability and ease of use. Some advanced control valves offer digital displays and programmable settings, which can provide more control and convenience. If you prefer a set-and-forget system, a basic control valve may suffice. However, if you want more control over the settings and monitoring, consider a system with an advanced control valve.

FAQ