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Best twin tank water softener

Twin tank water softener is a hard water softening system that has 2 resin tanks and 1 brine tank. It is also called a dual tank water softener/double tank.

Best twin tank water softener

The dual tank ion exchange water softener is used where downtime/break up of the water softener is an issue, or you have a high usage of water, and your water has high hardness.

Twin tank is ideal for very large homes with many people, very high hardness levels, or commercial applications

Twin tank water softener comparisons

 NameImageGrain capacityBuy here
1Fleck 9100SXT Dual tank water softener 110K110,000Buy from Amazon
2Fleck 32K Digital Dual Tank Alternating IRON PRO Water Softener with Fleck 9100SXT32,000Buy from Amazon
3AFWFilters Dual tank 110,000 grain  110,000Buy from Amazon
4DuraWater USA Fleck 9100SXT Almond32,000Buy from Amazon
5Discount Water Softeners Genesis Duo 32,000Buy from Amazon

How does twin tank water softener work

Hard water gets into the first resin tank that contains resin beads while the second resin tank is reserved. The resin beads are negatively charged and hard water is positively charged.

The negatively charged resin beads attract positively charged ions in the hard water through a process called ion exchange.

Minerals that make water hard remain on the resin beads and soft water pass through the resin tank ready for human use.

After some time, the resin beads are overcoated/saturated with hard water minerals. During this time the beads do not operate effectively they require to be cleaned to provide soft water.

The process of cleaning the resin beads is called regeneration.

During regeneration time the system switches to the second resin tank. The regeneration process takes place in the first resin tank.

 What happens with a dual tank ion exchange water softener when one tank is softening water the other one is regenerating as a result conditioned water is supplied throughout without downtime or break up.

When you are buying dual tank water softener make sure you have enough space where to install, it requires drain pipe for backwashing, and others require electricity to operate, ensure the power source is located nearby.

Twin tank water softener reviews

Fleck 9100SXT Dual tank water softener 110K

The Fleck 9100SXT  is a dual tank system, so you never run out of softened water.

It is capable of removing up to 110,000 grains of hardness between regeneration cycles making it ideal for a home with many peoples, very high hardness levels, or commercial application

The package includes Riser tubes with distributor baskets 3.5ft³ high capacity resin per tank, 14″ x 65″ resin tanks (2), Fleck 9100SXT Digital Metered Control Head, Larger Round Brine Tank which measures approximately 18″x40″ and holds approximately 350 lb of salt.

It removes iron up to 6-8ppm.

More capacity of fleck dual tank system

Fleck 32K Digital Dual Tank Alternating IRON PRO Water Softener with Fleck 9100SXT

32K capacity per tank with Fleck Digital 9100SXT.

the tank has a warranty of 10 years and  Fleck 9100SXT Digital Metered Control Head has a warranty of 5 years.

Discount Water Softeners Genesis Duo 

The Genesis Duo is a water softener with a Whole House Filtration using Catalytic carbon capable of removing chlorine and chloramine.

It has a variety of capacity from 32000, 40000, and 48000 grains.

It utilizes an up-flow regeneration, 10 – years warranty on the control head, lifetime warranty on resin and brine tank.

AFWFilters Dual tank 110,000 grain  

The AFWFilters dual tank uses Fleck 9100SXT Digital Metered Control Head.

The dual tank means when one tank is regenerating the other tank is softening hard water meaning the soft water will be available 24/7day.

This model has a capacity of 110,000 grains which is ideal for large homes with many people, very high hardness levels, or commercial applications.

The system comes complete with 

  • Two 14″ x 65″ polyglass tank resin tanks, 
  • Two Riser tubes with distributor baskets, 
  • 3.5ft³ high capacity resin per tank, 
  • Larger Round 18″x40″ Brine Tank which holds approximately 350 lb of salt and DIY Installation.

DuraWater USA Fleck 9100SXT Almond

DuraWater is a 32000-grain twin tank system featuring the new Fleck 9100 valve.

Genuine Units Comes with Iron Hardness Plus Test Kit, 2.0 CUBIC FEET OF RESIN, 32,000 GRAIN CAPACITY PER TANK (TOTAL OF 64,000 GRAINS), FLECK 9100SXT CONTROLLER, TWO (10X40)MINERAL TANKS, Almond Tanks, Salt Tank, BYPASS, COMPLETE SYSTEM 40X14X48 inches, (14×34) BRINE TANK w/safety float, Upgraded Paddle Wheel Meter

The resin tank is size 10×40″ and comes loaded with resin for easy installation. It available in different colors almond, black, and blue

The benefit of twin tank

Provide soft water throughout not like a single tank water softener that provides hard water during regeneration.

Dual tank water softener hard water is not a problem when one resin tank is regenerating the other one provide soft water in the house

Twin tank systems are mostly used in areas such as:

  • Hospitals
  • Hotel industries
  • Large families
  • Education centers

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