Overview of Primary Product
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
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 230/460/60/3
or 200/60/3
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 230/460/60/3
or 200/60/3
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 230/460/60/3
or 200/60/3
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 bronze construction, add letter “B” after model number (i.e. 132B).
When specifying bronze fitted construction, add letter “C” after model number (i.e. 132C)
(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)