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PAGE 14

X FACTOR SERIES

LX SPECIFICATIONS

MODEL NUMBER

7-LX-75B

7-LX-100B

7-LX-150B

7-LX-200B

7-LX-300B

CYCLES*

(Downflow Regenerant, 

Prefill)

1st: Fill; Lbs NaCl

6.0

8.0

12.0

16.0

24.0

2nd: Softening; Minutes 

(Regenerant Production)

60

60

60

60

60

3rd: Backwash; Minutes

10

10

10

10

10

4th: Regenerant Draw 

DN; Minutes

(Draw & Slow Rinse)

50

50

50

50

50

5th: Backwash; Minutes

10

10

10

10

10

6th: Rinse; Minutes

(Fast Rinse)

5

5

5

5

5

7th: End

-

-

-

-

-

GRAINS 

CAPACITY

Low

12,750

17,000

25,500

34,000

51,000

Medium*

18,000

24,000

36,000

48,000

72,000

High

24,000

32,000

48,000

64,000

96,000

LBS NaCl

Per

Regeneration

Low

3.4

4.5

6.75

9.0

13.5

Medium*

6.0

8.0

12.0

16.0

24.0

High

11.3

15.0

22.5

30.0

45.0

(Re-) FILL

Minutes

Low

2.3

3.0

4.5

6.0

9.0

Medium*

4.0

5.3

8.0

10.7

16.0

High

7.5

10.0

15.0

20.0

30.0

GALLONS¹ 

WATER TO

DRAIN

at

40/50/60

PSI

Inlet Pressure

Low

38.4/39.6/40.4

60.8/62.5/63.8

61.5/63.3/64.5

94.5/96.3/98.0

142.5/145.5/148.0

Medium*

39.3/40.5/41.3

61.9/63.7/64.9

63.3/65.0/66.3

96.8/98.6/100.3

146.0/149.0/151.5

High

41.0/42.3/43.0

64.3/66.0/67.3

66.8/68.5/69.8

101.5/103.3/105.0

153.0/156.0/158.5

WATER²

USAGE

% Efficiency

at

10 GRAINS 

per GALLON 

and 

40 PSI 

Inlet Pressure

Low

97.1

96.5

97.6

97.3

97.3

Medium*

97.9

97.5

98.3

98.0

98.0

High

98.3

98.0

98.6

98.4

98.4

* Factory Setting.

1

 Gallons to Drain = (Backwash Min. x DLFC Gal./Min.) + (Fast Rinse Min. x DLFC Gal./Min.) + (Regenerant Draw DN Min. x Slow 

Rinse Gal./Min.) + (LBS. NaCl x 1 Gal./3 LBS. NaCl)

Note: Slow Rinse Gal./Min. is obtained from injector charts for each color injector at various pressures.

2

 Water Usage % Efficiency = 

Gallons Treated

Gallons T Gallons to Drain

 X 100

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