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Hard Water contains dissolved minerals in the form of Calcium, Magnesium, and Iron - which can cause hard water staining in your fixtures and scaling in your plumbing, and appliances. This scale can eventually build up to clog pipes and damage your property. AMI Water Softeners use an ion-exchange process to remove these minerals from the water, creating soft water.
As the resin in the media tank softens the water, it will eventually become saturated with the minerals it is removing, and no will longer soften - this is where the salt in the brine tank kicks in. To restore the resin's softening ability, the brine water (which has been mingling with the salt in the brine tank and becoming infused with sodium) is flushed through the resin, kicking off the minerals and flushing them down the drain. The resin is now completely recharged and ready to begin softening your water again. This process is referred to as regeneration.
AMI Water Softeners are equipped with control valves that enable automatic operation and regeneration, to keep your water softener continually running at optimum performance. A timer-based water softener will regenerate at specific time every x number of days. For home owners, this is the most common setup - as it can be programmed for a time when you are least likely to be using water (for example 3am on Mondays and Thursdays). This is usually preferred for homes, vs. the metered versions which will regenerate when a certain amount of gallons have been used - which could happen at any time of day.
When installed in a home, a softener is usually installed with a bypass function, so that water flow is never interrupted by the home, but hard water will be delivered if it is used during the regeneration cycle. Since it's usually programmed for a period of low or no usage, the overall effect is minimal. For situations where it's critical that absolutely no hardwater gets through, the bypass can be disabled - and no water will be delivered during the regeneration cycle. This is when twin alternating water softeners are appropriate - which contain two softening tanks: one in operation, and one in stand-by to ensure uninterrupted flow of soft water. Twin alternating softeners are usually considered overkill in a standard home situation and are most commonly used in hotel, commercial, or industrial settings when softwater is used 24 hours per day.
Model No. | Flow Rate (gpm) | Back-wash Flow (gpm) | Volume of Resin (cu.ft.) |
Resin Tank (Dia”×H”) |
Brine Tank (Dia”×H”) |
In/Out Conn. | Approx. Shipping Wt. (lbs) | ||
5gpm/ft2 | 15gpm/ft2 | Softening Resin (only) | Total (Incl. Underbed) | ||||||
W-S744ETS | 1 | 4 | 1.3 | 0.50 | 0.60 | 7×44 | 18×33 | 1” | 100 |
W-S844ETS | 2 | 5 | 1.7 | 0.60 | 0.70 | 8×44 | 18×33 | 1” | 105 |
W-S940ETS | 2 | 6 | 2.2 | 0.75 | 0.85 | 9×40 | 18×40 | 1” | 115 |
W-S1054ETS | 2 | 7 | 2.7 | 1.25 | 1.45 | 10×54 | 18×40 | 1” | 150 |
W-S1252ETS | 4 | 12 | 4.2 | 1.75 | 2.05 | 12×52 | 18×40 | 1” | 190 |
W-S1354ETS | 4 | 14 | 5.3 | 2.00 | 2.30 | 13×54 | 18×40 | 1” | 225 |
W-S1465ETS | 5 | 16 | 5.3 | 3.00 | 3.50 | 14×65 | 24×41 | 1” | 335 |
W-S1665ETS | 7 | 21 | 6.5 | 3.50 | 4.00 | 16×65 | 24×41 | 1” | 385 |
W-S2162ETS | 13 | 36 | 13 | 6.00 | 7.00 | 21×62 | 30×48 | 1.5” | 645 |
W-S2472ETS | 15 | 47 | 15 | 8.00 | 10.0 | 24×72 | 39×48 | 1.5” | 950 |
W-S3072ETS | 24 | 74 | 25 | 12.5 | 16.5 | 30×72 | 39×48 | 2” | 1,535 |
W-S3672ETS | 35 | 95 | 35 | 17.0 | 22.0 | 36×72 | 39×60 | 2” | 1,950 |
W-S4272ETS | 48 | 144 | 50 | 23.0 | 30.0 | 42×72 | 42×60 | 3” | 2,950 |
W-S4872ETS | 60 | 188 | 60 | 30.0 | 43.6 | 48×72 | 60×60 | 3” | 4,360 |