Product Overview
Taco Inc., 1160 Cranston Street, Cranston, RI 02920 / (401) 942-8000 / Fax (401) 942-2360
Taco (Canada) Ltd., 8450 Lawson Road, Unit #3, Milton, Ontario L9T 0J8 / (905) 564-9422 / Fax (905) 564-9436
www.taco-hvac.com
Submittal Data Information
121-138 Series Circulators
121-138
C
A
B
D
FLOW M
3
/H
5 10 15 20 25 30
FLOW GPM
TOTAL HEAD – FEET
TOTAL HEAD – METERS
35
20 40 60 80 100 120 140 160
30
40
20
10
0
12
10
8
6
4
2
133
132
131
121/122
138
121-138
C
A
B
D
MODEL
NUMBER
(1)
FLANGE
SIZE
MOTOR
(2)
DIMENSIONS
SHIPPING
WEIGHT
121
122
131
132
133
138
2
1
⁄
2
"
1
⁄
4
HP, 115 V
1725
18
1
⁄
8
460.4
15
7
⁄
8
403.2
14
1
⁄
4
362.0
11
1
⁄
8
282.6 72 32.7
1
⁄
4
HP, 115 V
1725
18
1
⁄
8
460.4
15
7
⁄
8
403.2
13
5
⁄
8
346.1
11
1
⁄
8
282.6 72 32.7
1
⁄
3
HP, 115 V
1725
19
1
⁄
4
489.0
15
3
⁄
4
400.1 16 406.4
13
5
⁄
8
346.1 95 43.1
1
⁄
2
HP, 115/230 V
or 200-230/460/60/3
1725
21
1
⁄
2
546.1 18 457.2 16 406.4
13
5
⁄
8
346.1 108 49.0
3
⁄
4
HP, 115/230 V
or 200-230/460/60/3
1725
22
1
⁄
8
562.0
18
5
⁄
8
473.1 16 406.4
13
5
⁄
8
346.1 113 51.3
1 HP, 115/230 V
or 200-230/460/60/3
1725
22
5
⁄
8
574.0
19
1
⁄
8
485.8 16 406.4
13
5
⁄
8
346.1 118 53.5
60C/AC 1 PH RPM IN.
A
MM IN.
B
MM IN.
C
MM IN.
D
MM LBS. KG
(1) When specifying all SS — non NSF construction, add letter “D” after model number (i.e.132D).
When specifying cast iron — SS tted construction,add letter “E” after model number (i.e.132E)
When specifying all SS NSF construction, add letter "N" after model number (i.e 132N)
(2) Motors are available with other electrical characteristics – consult your Taco representative.
SYSTEM PRESSURE (PSI)
200
125
175
100
150
0 200 300100
TEMPERATURE (˚F)
PRESSURE – TEMPERATURE
RATINGS
3"
3"
3"
3"
3"
Specifications (121-138 Series)
FLOW M
3
/H
5 10 15 20 25 30
FLOW GPM
TOTAL HEAD – FEET
TOTAL HEAD – METERS
35
20 40 60 80 100 120 140 160
30
40
20
10
0
12
10
8
6
4
2
133
132
131
121/122
138
121-138
C
A
B
D
MODEL
NUMBER
(1)
FLANGE
SIZE
MOTOR
(2)
DIMENSIONS
SHIPPING
WEIGHT
121
122
131
132
133
138
2
1
⁄
2
"
1
⁄
4
HP, 115 V
1725
18
1
⁄
8
460.4
15
7
⁄
8
403.2
14
1
⁄
4
362.0
11
1
⁄
8
282.6 72 32.7
1
⁄
4
HP, 115 V
1725
18
1
⁄
8
460.4
15
7
⁄
8
403.2
13
5
⁄
8
346.1
11
1
⁄
8
282.6 72 32.7
1
⁄
3
HP, 115 V
1725
19
1
⁄
4
489.0
15
3
⁄
4
400.1 16 406.4
13
5
⁄
8
346.1 95 43.1
1
⁄
2
HP, 115/230 V
or 200-230/460/60/3
1725
21
1
⁄
2
546.1 18 457.2 16 406.4
13
5
⁄
8
346.1 108 49.0
3
⁄
4
HP, 115/230 V
or 200-230/460/60/3
1725
22
1
⁄
8
562.0
18
5
⁄
8
473.1 16 406.4
13
5
⁄
8
346.1 113 51.3
1 HP, 115/230 V
or 200-230/460/60/3
1725
22
5
⁄
8
574.0
19
1
⁄
8
485.8 16 406.4
13
5
⁄
8
346.1 118 53.5
60C/AC 1 PH RPM IN.
A
MM IN.
B
MM IN.
C
MM IN.
D
MM LBS. KG
(1) When specifying all SS — non NSF construction, add letter “D” after model number (i.e.132D).
When specifying cast iron — SS tted construction,add letter “E” after model number (i.e.132E)
When specifying all SS NSF construction, add letter "N" after model number (i.e 132N)
(2) Motors are available with other electrical characteristics – consult your Taco representative.
SYSTEM PRESSURE (PSI)
200
125
175
100
150
0 200 300100
TEMPERATURE (˚F)
PRESSURE – TEMPERATURE
RATINGS
3"
3"
3"
3"
3"
FLOW M
3
/H
5 10 15 20 25 30
FLOW GPM
TOTAL HEAD – FEET
TOTAL HEAD – METERS
35
20 40 60 80 100 120 140 160
30
40
20
10
0
12
10
8
6
4
2
133
132
131
121/122
138
121-138
C
A
B
D
MODEL
NUMBER
(1)
FLANGE
SIZE
MOTOR
(2)
DIMENSIONS
SHIPPING
WEIGHT
121
122
131
132
133
138
2
1
⁄
2
"
1
⁄
4
HP, 115 V
1725
18
1
⁄
8
460.4
15
7
⁄
8
403.2
14
1
⁄
4
362.0
11
1
⁄
8
282.6 72 32.7
1
⁄
4
HP, 115 V
1725
18
1
⁄
8
460.4
15
7
⁄
8
403.2
13
5
⁄
8
346.1
11
1
⁄
8
282.6 72 32.7
1
⁄
3
HP, 115 V
1725
19
1
⁄
4
489.0
15
3
⁄
4
400.1 16 406.4
13
5
⁄
8
346.1 95 43.1
1
⁄
2
HP, 115/230 V
or 200-230/460/60/3
1725
21
1
⁄
2
546.1 18 457.2 16 406.4
13
5
⁄
8
346.1 108 49.0
3
⁄
4
HP, 115/230 V
or 200-230/460/60/3
1725
22
1
⁄
8
562.0
18
5
⁄
8
473.1 16 406.4
13
5
⁄
8
346.1 113 51.3
1 HP, 115/230 V
or 200-230/460/60/3
1725
22
5
⁄
8
574.0
19
1
⁄
8
485.8 16 406.4
13
5
⁄
8
346.1 118 53.5
60C/AC 1 PH RPM IN.
A
MM IN.
B
MM IN.
C
MM IN.
D
MM LBS. KG
(1) When specifying all SS — non NSF construction, add letter “D” after model number (i.e.132D).
When specifying cast iron — SS tted construction,add letter “E” after model number (i.e.132E)
When specifying all SS NSF construction, add letter "N" after model number (i.e 132N)
(2) Motors are available with other electrical characteristics – consult your Taco representative.
SYSTEM PRESSURE (PSI)
200
125
175
100
150
0 200 300100
TEMPERATURE (˚F)
PRESSURE – TEMPERATURE
RATINGS
3"
3"
3"
3"
3"