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Industrial & Commercial
Light Industrial/Commercial Softeners
Twin Alternating Water Softeners
Twin
Alternating Water Softeners are designed and manufactured for
outstanding, uninterrupted service from light commercial and
industrial use to heavy residential use.
All brass valve, fiberglass mineral tanks,
polyethylene brine tank, and high-quality polystyrene resin are
manufactured in the USA
for reliable operation. Regenerations are initiated by a meter with
fully-adjustable controls. With one tank on line and the second in
regeneration or stand-by, no hard water bypass and continuous soft
water make this model very popular.
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Operating
Requirements:
Pressure: 25 psi – 125 psi
Temperature: 35°F - 100°F
Electrical: 120/60, 5 amps
Turbidity: 5 NTU (max)
Chlorine: 1 ppm (max)
Iron: 2 ppm (max)
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Model Number
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DS301
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DS451
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DS601
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DS751
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DS901
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DS121
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Max Capacity (grains/tank)
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30,000
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45,000
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60,000
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75,000
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90,000
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120,000
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Min Capacity (grains/tank)
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20,000
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30,000
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40,000
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50,000
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60,000
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80,000
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Resin (cubic feet/tank)
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1
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1.5
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2
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2.5
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3
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4
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Salt Req'd Max
Capacity(lbs)
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15
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23
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30
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38
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45
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60
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Salt Req'd Min Capacity
(lbs)
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6
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9
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12
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15
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18
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24
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Mineral Tank Size (inches)
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10x40
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10x54
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12x52
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13x54
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14x65
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16x65
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Brine Tank Size (inches)
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18x40
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18x40
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18x40
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18x40
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24x48
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24x48
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Storage Salt Capacity
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270
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270
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270
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270
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570
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570
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Service Flow Rate
(cont)(gpm)
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14
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13
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15
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16
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17
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17
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Service Flow Rate (peak)(gpm)
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19
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18
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19
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21
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22
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24
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Min Service Flow Rate
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1
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1.5
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2
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2.5
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3
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4
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Drain Flow Rate (max)(gpm)
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2.4
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2.4
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3.5
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5
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5
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7
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Valve Pipe Size
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1"
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1"
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1"
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1"
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1"
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Flow Rates between 14 – 17 gpm, 1”, 1 to 4
cu ft, Fleck 9000 valve
Standard Range Meter: 310 – 5,270 gallons Extended Range Meter:
1,550 – 26,350 gallons
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Model Number
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DS125
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DS155
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DS215
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DS305
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Max Capacity (grains)
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120,000
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150,000
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210,000
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300,000
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Min Capacity (grains)
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80,000
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100,000
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140,000
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200,000
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Resin (cubic feet)
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4
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5
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7
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10
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Salt Req'd Max Capacity
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60
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75
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105
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150
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Salt Req'd Min Capacity
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24
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30
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42
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60
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Mineral Tank Size (inches)
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16x65
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18x65
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21x62
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24x72
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Brine Tank Size (inches)
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24x48
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24x48
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39x48
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39x48
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Storage Salt Capacity
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570
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570
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1800
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1800
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Service Flow Rate
(cont)(gpm)
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29
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32
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34
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35
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Service Flow Rate (peak)(gpm)
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40
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43
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46
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47
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Min Service Flow Rate(gpm)
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4
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5
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7
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10
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Drain Flow Rate (max)(gpm)
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7
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7
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10
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15
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Valve Pipe Size
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1 1/2"
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1 1/2"
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1 1/2"
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1 1/2"
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Flow Rates between 29 – 35 gpm, 1
1/2”, 4 to 10 cu ft, Fleck 9500 valve
Standard Range Meter: 625 – 10,625 gallons Extended Range
Meter: 3,125 – 53,125 gallons
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NOTES:
Capacity is based on manufacturer’s data
at service flow rates specified and free of color, oil and turbidity.
<15 psi drop at continuous flow rate.
<25 psi drop at peak flow rate.
Use minimum capacity when sizing units.
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