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SPECIFICATIONS
ECR 3500R20 ERR 3500R20 ECR 3500R30 ECR 3502R30 ERR 3502R30
Model Code HR20 HR20+ HR30 2H30 2H30+
Rated Softening Capacity
(Grains @ lb. Salt Dose)
5,700 @ 1.1
16,800 @ 4.3
20,400 @ 7.5
9,800 @ 2.4
18,100 @ 5.6
20,900 @ 8.9
8,300 @ 1.6
25,000 @ 6.4
30,200 @ 11.3
8,300 @ 1.6
25,000 @ 6.4
30,200 @ 11.3
11,600 @ 2.8
22,300 @ 6.9
25,900 @ 11.0
Rated Efficiency (gr./lb. of Salt at Min. Salt Dose)
5,150 4,100 5,160 5,160 4,140
Water Used During Regeneration 4.6 gal./ 1,000 grains 5.0 gal./1,000 grains 4.5 gal./ 1,000 grains 4.5 gal./1,000 grains 5.0 gal./1,000 grains
Service Flow Rate (gpm)
9.0 8.0 11.0 11.0 8.0
Pressure Drop at Service
Flow Rate (psi)
10 7 8 8 8
Intermittent Flow Rate (gpm) @ 15 psi p
12.0 14.8 16.5 16.5 14.2
Intermittent Flow Rate (gpm) @ 30 psi p
19.4 23.6 25.8 25.8 21.4
Amount of High Capacity Resin (cu. ft.) 0.60 0.71 0.89 0.89 0.88
Water Supply Max. Hardness (gpg) 40 50 60 60 60
Water Supply Max. Clear
Water Iron (ppm) ¢
10 10 12 12 12
Min.-Max. Working Pressure (psi) u
20 - 125
Min.-Max. Operating Temperature (°F) 40 - 120
Min. Water Supply Flow Rate (gpm) 3
Max. Flow Rate (gpm) to
Drain during Recharge
2.4 3.0 3.0 3.0 3.0
SPECIFICATIONS
ECR 3502R40 ECR 3502R50S ERR 3502R50 ECR 3502R70
ERRC 3502R50
Ù
Model Code 2H40 2H50 2R50 2H70 2H50+
Rated Softening Capacity
(Grains @ lb. Salt Dose)
11,300 @ 2.2
33,200 @ 8.5
40,100 @ 14.8
21,600 @ 4.5
39,500 @ 11.0
50,000 @ 17.4
21,600 @ 4.5
39,500 @ 11.0
50,000 @ 17.4
32,900 @ 6.2
57,600 @ 12.8
71,500 @ 25.6
21,600 @ 4.5
39,500 @ 11.0
50,000 @ 17.4
Rated Efficiency (gr./lb. of Salt at Min. Salt Dose)
5,150 4,800 4,800 5,310 4,800
Water Used During Regeneration 4.7 gal./ 1,000 grains 3.8 gal./1,000 grains 3.8 gal./ 1,000 grains 2.8 gal./1,000 grains 3.8 gal./1,000 grains
Service Flow Rate (gpm)
12.0 20.0 12.0 12.0 12.0
Pressure Drop at Service
Flow Rate (psi)
13 13 10 11 10
Intermittent Flow Rate (gpm) @ 15 psi p
13.6 21.5 15.0 17.0 15.0
Intermittent Flow Rate (gpm) @ 30 psi p
21.6 32.2 21.0 22.0 21.0
Amount of High Capacity Resin (cu. ft.) 1.18 1.53 1.53 2.05 1.53
Water Supply Max. Hardness (gpg) 75 95 95 125 95
Water Supply Max. Clear
Water Iron (ppm) ¢
15 15 15 15 15
Min.-Max. Working Pressure (psi) u
20 - 125
Min.-Max. Operating Temperature (°F) 40 - 120
Min. Water Supply Flow Rate (gpm) 3
Max. Flow Rate (gpm) to
Drain during Recharge
3.0 4.0 4.0 4.0 4.0
ECOWATER
S Y S T E M S
Specifications & Performance Claims
p Intermittent flow rate does not represent the maximum service flow rate used for determining the unit’s rated capacity and effi-
ciency. Continuous operation at flow rates greater than the service flow rate may affect capacity and efficiency performance.
The validity of these flow rates is verified by Water Quality Association (WQA).
¢ Capacity to remove clear water iron is substantiated by WQA test data. State of Wisconsin requires additional treatment if water
supply contains greater than 5 ppm clear water iron.
u Canada working pressure limits: 1.4 - 7.0 kg/cm².
Ù Model ERRC 3502R50 has not been tested or certified by NSF International or the Water Quality Association.
These units conform to NSF/ANSI 44 for the specific performance claims as verified and substantiated by test data.
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