Residential Wet Rotor Circulators
WILO Star
Product Brochure.
Star Model Dimensions
Ultra Quiet
Reliable Wet Rotor Technology
Optional Check Valve
Automatically Vented
Single or 3 Speed Models
18
Wilo Star
12
15
10
H [ft]
3
3
8
5
2
6
2
B
S 16 FX, BFX
60 Hz
14
10
D
Wilo Star
16
S 21 FX, BFX
60 Hz
20
H [ft]
Stainless Steel Shaft
Quick Connect Wiring
Steel Terminal Box
Fits all Competitor’s Models
Powerful Starting Torque
Performance Curves
4
1
1
2
0
0
2
4
6
8
10
12
14
16
0
[US gpm]
0
2
4
6
8
Q
3
0.12
P1 [hp]
P1 [hp]
0.08
1
0.06
C
D
AMPS
WT
0.02
Star 5 FX
6-3/8" (162mm)
5-15/16" (150mm)
3-3/16" (81mm)
3-3/16" (81mm)
0.46
6.5 lbs (3.0 kg)
Star 16 F
6-3/8" (162mm)
5-15/16" (150mm)
3-3/16" (81mm)
3-3/16" (81mm)
0.70
6.5 lbs (3.0 kg)
Star 16 FX
6-3/8" (162mm)
5-15/16" (150mm)
3-3/16" (81mm)
3-3/16" (81mm)
0.70
6.5 lbs (3.0 kg)
Star 21 F
6-3/8" (162mm)
5-15/16" (150mm)
3-3/16" (81mm)
3-3/16" (81mm)
0.95
6.5 lbs (3.0 kg)
Star 21 FX
6-3/8" (162mm)
5-15/16" (150mm)
3-3/16" (81mm)
3-3/16" (81mm)
0.95
6.5 lbs (3.0 kg)
Star 32 F
6-3/8" (162mm)
5-3/8" (136mm)
3-3/16" (81mm)
3-3/16" (81mm)
0.99
6.7 lbs (3.1 kg)
Star 30 F
6-1/2" (165mm)
6" (153mm)
3-1/4" (82mm)
3-1/4" (82mm)
1.50
8 lbs (3.7 kg)
Star 17 FX
8-1/2" (216mm)
7" (176mm)
4-1/4" (102mm)
3-2/9" (76mm)
1.70
10 lbs (4.6 kg)
Star 32 BF
6-3/8" (162mm)
5-3/8" (136mm)
3-3/16" (81mm)
3-3/16" (81mm)
0.99
6.7 lbs (3.1 kg)
Star 5 BFX
6-3/8" (162mm)
5-15/16" (150mm)
3-3/16" (81mm)
3-3/16" (81mm)
0.46
6.5 lbs (3.0 kg)
Star 16 BFX
6-3/8" (162mm)
5-15/16" (150mm)
3-3/16" (81mm)
3-3/16" (81mm)
0.70
7.2 lbs (3.2 kg)
Star 21 BFX
6-3/8" (162mm)
5-15/16" (150mm)
3-3/16" (81mm)
3-3/16" (81mm)
0.95
7.1 lbs (3.2 kg)
Star 3 BS 5
5" (127mm)
4-15/16" (125mm)
2-1/2" (64mm)
3-3/16" (81mm)
0.46
6.5 lbs (3.0 kg)
Star 3 BS 7
5" (127mm)
4-15/16" (125mm)
2-1/2" (64mm)
3-3/16" (81mm)
0.46
5.3 lbs (2.4 kg)
Star 8 BS 5
5" (127mm)
4-15/16" (125mm)
2-1/2" (64mm)
3-3/16" (81mm)
0.57
6.5 lbs (3.0 kg)
Star 8 BS 7
5" (127mm)
4-15/16" (125mm)
2-1/2" (64mm)
3-3/16" (81mm)
0.57
5.3 lbs (2.4 kg)
Star 5 BU
6" (130mm)
5-1/8" (130mm)
3" (76mm)
3-3/16" (81mm)
0.46
6.5 lbs (3.0 kg)
Star 11 BU
6" (130mm)
5-1/8" (130mm)
3" (76mm)
3-3/16" (81mm)
0.57
6.5 lbs (3.0 kg)
A
B
C
D
AMPS
WT
Star S 16 F
6-3/8" (162mm)
6-3/8" (162mm)
3-3/16" (81mm)
3-3/16" (81mm)
0.66 max
6.5 lbs (3.0 kg)
Star S 16 FX
6-3/8" (162mm)
6-3/8" (162mm)
3-3/16" (81mm)
3-3/16" (81mm)
0.66 max
6.5 lbs (3.0 kg)
Star S 16 BFX
6-3/8" (162mm)
6-3/8" (162mm)
3-3/16" (81mm)
3-3/16" (81mm)
0.66 max
7.0 lbs (3.2 kg)
Star S 21 F
6-3/8" (162mm)
6-3/8" (154mm)
3-3/16" (81mm)
3-3/16" (81mm)
0.92 max
6.5 lbs (3.0 kg)
Star S 21 FX
6-3/8" (162mm)
6-3/8" (154mm)
3-3/16" (81mm)
3-3/16" (81mm)
0.92 max
6.5 lbs (3.0 kg)
Star S 21 BFX
6-3/8" (162mm)
6-3/8" (162mm)
3-3/16" (81mm)
3-3/16" (81mm)
0.92 max
7.1 lbs (3.2 kg)
3 SPEED
TYPE
ar
25
20
Star
15
2
4
6
8
10
12
14
16
32
r 21
Star
Star 5
5
15
2
4
6
8
10
Classic Star
3 Speed
12
14
Q [US gpm]
0
4
6
8
10
0
Circo Star
4
12
14
[US gpm]
Classic Star
16
Star
5
Star 3
0
St
ar
10
8
2
TO
PS1
20
Sta
0
Star 32 F
25
BF
16
0
[US gpm]
Bronze body
60 Hz
Star 11
10
0
0
Circo Star
St
1
0.04
H [f t ]
C
H [ft]
B
2
0.06
0.02
A
[US gpm]
3
0.08
0.04
SINGLE SPEED
14
0.10
2
0.10
TYPE
12
0.12
0.14
0
10
Q
Cast iron body
60 Hz
TO
PS1
.25
.25 Sta
x2
r
x2 30
5m
5m F
ax
in.
.
St
ar
21
Star 1
7
5
8
12
16
20
24
28
Q [US gpm]
Classic Star
Model Number Designation
F
Type Key
Example:
(Circo)
Classic Star
S
16
()
FX
Circulator Pump
Circo for Open Circulation (Bronze)
Classic for Closed Systems (Cl)
S = Multiple Speed
= constant speed (no letter)
Maximum head [ft]
“F” Configuration
FX
Pump housing
= Cast iron (no letter = cast iron)
B = Bronze
Pipe connection
F = Flange
FX = Flange rotated 90
U = Union connection
S5 = ½” Internal sweat
S7 = ¾” Internal sweat
“FX” Configuration
(Flange rotated 90°)
WILO Check Flange
Fits all WILO residential flanged circulators
tors
Easy to clean
Easy to remove air locks
Cost effective
Farther away from turbulent water
WILO Check Flange
WILO USA LLC
1290 N 25th Ave.
Melrose Park, IL
60160
1-866-WILO-USA
www.WILO-USA.com
WILO Canada Inc.
Bay #7 - 2915 10th Ave. NE
Calgary, Alberta
T2A 5L4
1-866-WILO-CDN
Www.WILO-CANADA.com