Submittal Data Sheet Wilo Star - Residential Wet Rotor Circulators
Star S 21 ZFX Project: Engineer: Contractor:
Tag #
0
0.5
Submitted By:
Date:
Approved By:
Date:
Model #
Check Valve
Star S 21 ZFX
n/a
1.0
1.5
2.0
2.5
Speed
Flow
Head
Phase
Voltage
1
115v
(Select)
3.0
4.0 [m 3 /h]
3.5
Wilo Star S 21 ZFX
B
G
7
60 Hz 20
6
5
10
A
H [ft]
4
H
3
H [m]
15
3
E
2 2 5
1 1
0
0
2
4
6
8
10
12
14
16
[US gpm]
I
0
D
C
Q
Applications • Domestic Hot Water
• Air-Conditioning
• Heating & Cooling
• Water/Glycol up to 50%
• Solar Systems
• Geothermal Systems
Materials of Construction
Technical Data
Impeller
Engineered Composite (40% GF)
Max. Temp. Range
-14°F to 230°F (-10°C to 110°C)
Shaft
Stainless Steel AISI 420SS
Ambient Temp.
104°F (40°C)
Bearing
Metal Impregnated Carbon
Electrical Connections
1~115
Volute
Stainless Steel
Max. Working Pressure
140 PSI (10 Bar)
Pump Housing
Stainless Steel AISI 316L
Min. Inlet Pressure 122°F (50°C)
0.7 PSI (0.05 Bar)
Min. Inlet Pressure (203°F)
4.4 PSI (0.3 Bar)
Min. Inlet Pressure (230°F)
14.5 PSI (1 Bar)
Dimensions and Weights Weight lbs (kg)
Dimensions - Inches (mm)
Model
A
B
C
D
E
G
3/8
3/8
7/
2
3/16
3/16
(22)
(50)
6
Star S 21 ZFX
(162)
6
(154)
8
H
3
3
(81)
(81)
11/16
I 1/16
3
5
6.5
(93.5)
(128)
(3.0)
Motor Data
Approval Stamp Speed
Model Star S 21 ZFX
WILO USA LLC Tel: (888) 945-6872 Fax: (888) 945-6873 30-13-002-0415
hp 1/
25
Watts
FLA
RPM
W
A
1300-2700
60-110
0.52-0.96
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