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

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.

The Fleck 5600 SXT water softener is a solid choice for households needing reliable water softening with its 40,000-grain capacity, which means it can handle moderate to heavy water hardness before needing regeneration. This capacity is supported by 1.25 cubic feet of upgraded 10% commercial-grade cation resin, which is effective at removing hardness minerals. It uses a digital metered demand control valve, so it regenerates only when necessary based on your water usage, helping improve salt efficiency and reducing waste.

The system includes a durable black mineral tank preloaded with resin and a brine tank with a safety float, which simplifies setup and maintenance. The 1-inch Noryl plastic bypass valve allows easy installation and maintenance without shutting off the entire water supply. Additionally, the manufacturer offers DIY video instructions, making it user-friendly for those comfortable with home projects. Weighing 53 pounds and measuring 10 x 10 x 44 inches, it’s a fairly compact unit suitable for many home utility spaces.

This water softener is well-suited for families looking for a dependable system that balances effective softening with reasonable salt use and straightforward installation.

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.