Written by: Alexandra Uta // Expert Fact-Checking: Buddhini Dolapihilla, MBSS // Last Updated: Aug 4, 2023
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After the Fleck 5600 SXT and the 7000 SXT, we are now going to take a look at the 9100 SXT as the last part of our Fleck water softener series.
What’s special about it is that it continuously provides soft water without interruption. How? It’s quite simple actually: The 9100 SXT features a dual tank system. As soon as the active resin tank has exhausted its softening capacity and goes into regen, the backup tank fills in and can immediately provide more soft water.
While one tank is in service, the other has time to recharge its resin bed making the system ideal for large homes and light commercial softening.
Sounds like the perfect fit? Let’s find out!
Fleck 9100 SXT |
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Price: | $$$ |
Flow Rate: | 9-15 gpm |
Capacity: | 24,000-64,000 Grains |
# of People: | 1-6+ |
Metered Regen: | |
NSF: | 44 |
Our Rating
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The Fleck 9100 SXT valve itself is made in the USA and can handle even extremely hard water.
In addition, low levels of ferrous iron shouldn’t pose a problem.
Flow rate? Between 9 and 15 gallons per minute, depending on which system size you choose – there are 5!
The smallest setup has 24,000 grains capacity, the largest 64,000 – no reason to worry about calcium, magnesium and other hardness minerals even in large homes anymore.
As you might already know, a salt-based water softener uses salt and water for backwashing in order to recharge its resin beads that are used for the ion exchange process.
How much salt and water is needed depends on the individual conditions and system, but expect that probably a few dozen gallons of water will go down the drain. In addition, an average-size water softener with about 30,000 grains capacity uses about 6 to 8 lbs of salt per regeneration cycle. Of course, larger models use more.
This is why it’s important that you opt for a metered device. Metered meaning that the system actually measures water usage and based on the hardness level calculates how much salt and water is necessary for recharge. As a result, resource consumption is reduced to a minimum – benefits the environment and your wallet. Fortunately, the Fleck 9100 SXT is metered.
All in all, the digital control valve is easy to use and allows you to make all settings according to your preferences.
More pros:
The Fleck 9100 SXT – learn more on amazon.com
If you are decent with tools the installation should go smoothly.
In our opinion, prior plumbing experience is not necessarily required to set up this water softener, although it would certainly help. If you’ve completed a couple of DIY projects before and you have enough time and dedication, you will be able to pull this off by yourself.
The good news is that the resin ships loaded in the mineral tank which makes things a lot easier.
And don’t forget to contact the seller for assistance. From our experience, phone and email support responds promptly.
Here is what you need to do:
If a water softener is not equipped with a bypass valve, we recommend you provide for one for ease of maintenance. Also, make sure to comply with local plumbing codes.
As for the initial system startup, follow these steps:
Below is the only video we could find that demonstrates how to install the Fleck 9100 SXT. Watching videos for other valve models might also be a good idea. For most water softeners, the installation process is pretty similar:
Programming the 9100 SXT is a breeze. Only 4 steps are required:
Abundant Flow Water Systems did a great job at explaining the basic programming of all Fleck SXT valves in their video below. The video features the 2510 SXT, but in fact it works the same for all SXT models:
So far, we don’t have any complaints.
As a dual tank system, the Fleck 9100 SXT is best for people who want a never-ending supply of softened water around the clock.
Users have praised it as a great working unit that can compete with the big names in the industry. The comparatively low price is the icing on the cake. Double thumbs up!
This completes our Fleck 9100 SXT review. If you have any questions, please don’t hesitate to leave a comment below!
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