Models 7180 and 7380
Owner’s Manual
and Installation Guide
5/22/2019
27
Specifications
Model
7180 (5B and ST
1
)
7380 (5B and ST
1
)
Maximum Compensated Hardness
–
gpg (mg/L)
70 (1,200)
100 (1,710)
Maximum Capacity
–
grains (grams)
22,700 (1,471)
38,000 (2,462)
Maximum ferrous iron reduction
10 ppm
10 ppm
Minimum pH (standard units)
7
7
Media type and amounts
Ultrafil
–
1.5 lb (0.7 kg)
Fine Mesh Resin
–
0.7 cu. ft. (20 L)
Ultrafil
–
1.5 lb (0.7 kg)
Fine Mesh Resin
–
1.25 cu. ft. (35 L)
Minimum/Maximum water and ambient temperature
–
o
F (
o
C)
40/120 (4/49)
40/120 (4/49)
Mineral tank size
–
in. (cm)
10.5 I.D. x 19 (26.7 I.D. x 48.3)
11.5 I.D. x 28 (29.2 I.D. x 71.1)
Flow rate @ 1.7 bar drop as measured by Hague
–
gpm (L/min)
15.3
(
58
)
23.0
(
87
)
Flow
@
1 bar p
ressure drop
-gpm (L/min)
8 (
30.3
)
11.3 (
43.0
)
Maximum flow rate to drain during regeneration
–
backwash
gpm (L/min)
3.0 (12)
3.0 (11.4)
Minimum/Maximum Water Pressure
–
psi (bar)
20/120 (1.4/8.3)
20/120 (1.4/8.3)
Minimum water flow required
–
gpm (L/min)
2.4 (9.6)
3.0 (11.4)
Salt storage
–
lb (kg)
120 (55)
170 (78)
Height
–
in. (cm)
25.5 (64.8)
33.4 (84.8)
Footprint
–
in. (cm)
15 x 19 (38 x 48)
16.5 x 20 (42 x 51)
Plumbing connections
1-inch male (NPT)
1-inch male (NPT)
Shipping weight
—
approximate
–
lb (kg)
85 (39)
135 (61)
Clearance required above for salt filling
—
in. (cm)
10 (27)
10 (27)
Minimum/Maximum regeneration time
—
minutes
18/41
30/52
Electrical requirements
220 VAC, 50Hz to 12V transformer 220 VAC, 50Hz to 12V transformer
Minimum/Maximum salt used per regeneration
—
lb (kg)
1.1/11.9 (0.5/5.4)
1.3/9.9 (0.6/4.5)
1
Salt monitor system is optional.
