Grundos UP Series Circulator Pumps Buyers Guide & Review
Grundos UP series circulator pumps are one, two and three speed circulator pumps that are suitable for a wide range of cooling and heating applications including hot water, geothermal, radiant panel and snow melting in large residential and light commercial installations. They are made of durable cast iron, bronze and stainless steel and are engineered for quiet operation, yield superior operating efficiency and facilitate rapid field-repair.
Features:
- Built-in motor protection for long life
- Multiple accessories for a variety of applications
- Whisper-quiet operation for sound sensitive installations
| GRUNDFOS UP SERIES CIRCULATOR PUMPS |

Grundos UP Series Circulator Pumps
Model Comparison Chart
| Model |
Pump Connection (GF Flange) |
HP |
Voltage |
Construction |
GPM |
Max. Head |
| UP15-42FR |
15/26 |
1/25 |
115 |
Cast Iron |
17.2 |
15.1' |
| UP15-42F |
15/26 |
1/25 |
115 |
Cast Iron |
|
|
| UP15-10FR |
15/26 |
1/25 |
115 |
Cast Iron |
7.93 |
5.58' |
| UP15-10F |
15/26 |
1/25 |
115 |
Cast Iron |
7.93 |
5.58' |
| UP15-42FR |
15/26 |
1/25 |
230 |
Cast Iron |
17.2 |
15.1' |
| UP15-100F |
15/26 |
1/25 |
115 |
Cast Iron |
8.5 |
33.5' |
| UP15-18B5 |
1/2" |
1/25 |
115 |
Bronze |
14.5 |
13.8' |
| UP 15-10B5 |
1/2" |
1/25 |
115 |
Bronze |
8.37 |
6.23' |
| UP15-18B5 |
1/2" |
1/25 |
230 |
Bronze |
14.5 |
13.8' |
| UP15-10B7 |
3/4" |
1/25 |
115 |
Bronze |
8.37 |
6.23' |
| UP15-18B7 |
3/4" |
1/25 |
115 |
Bronze |
14.7 |
13.9' |
| UP15-10B7/LC |
3/4" |
1/25 |
115 |
Bronze |
8.37 |
6.23' |
| UP15-29SF |
2 |
1/12 |
115 |
Stainless Steel |
20.7 |
9.84' |
| UP15-29SU |
|
1/12 |
230 |
Stainless Steel |
|
|
| UP15-29SU |
1-1/4" |
1/12 |
115 |
Stainless Steel |
20.7 |
9.84' |
| 15-10BUC7 |
3/4" |
1/25 |
115 |
Bronze |
6.6 |
6.56' |
| UP 15-10BUC5/LC |
1/2" |
1/25 |
115 |
Bronze |
6.6 |
6.56' |
| UP 15-10B5/TLC |
1/2" |
1/25 |
115 |
Bronze |
8.37 |
6.23' |
| UP 15-18B5/TLC |
1/2" |
1/25 |
115 |
Bronze |
14.5 |
13.8' |
| UP15-42B5 |
1/2" |
1/25 |
230 |
Bronze |
17.2 |
15.1' |
| UP26-64F |
2 |
1/12 |
115 |
Cast Iron |
32.1 |
24.6' |
| UP 15-18 B7/TLC |
3/4" |
1/25 |
115 |
Bronze |
14.5 |
13.8' |
| UP26-64F |
2 |
1/12 |
230 |
Cast Iron |
32.1 |
24.6' |
| UP26-96F |
2 |
1/12 |
115 |
Cast Iron |
28.2 |
29.9' |
| UP 15-10BUC5/TLC |
1/2" |
1/25 |
115 |
Bronze |
6.6 |
6.56' |
| UP26-99F |
2 |
1/6 |
115 |
Cast Iron |
33.9 |
32.2' |
| UP26-96F |
2 |
1/12 |
230 |
Cast Iron |
28.2 |
29.9' |
| UP15-42 BUC7 |
3/4' |
1/25 |
115 |
Bronze |
17 |
15' |
| UP26-99F |
15/26 |
1/6 |
230 |
cast Iron |
|
|
| UP26-116F |
2 |
1/6 |
230 |
Cast Iron |
37 |
37' |
| UP15-29SUC/TLC |
1-1/4" |
1/12 |
115 |
Stainless Steel |
20.7 |
9.84' |
| UP15-29SUC/TLC |
3/4" |
1/12 |
115 |
Stainless Steel |
|
|
| UP43-44F |
2 |
1/6 |
115 |
Cast Iron |
67.8 |
13.5' |
| UP50-75F |
4" |
1/6 |
115 |
Cast Iron |
40.9 |
24.9' |
| UP43-75F |
2" |
1/6 |
115 |
Cast Iron |
17.6 |
15.4' |
| UP15-55SUC |
1-1/4" |
1/13 |
230 |
Stainless Steel |
21.6 |
17.1' |
| UP15-42F/VS |
15/26 |
1/25 |
115 |
Cast Iron |
|
|
| UP15-42FC/MR |
2" |
1/25 |
115 |
Cast Iron |
34 |
23' |
| UP26-116BF |
2" |
1/6 |
230 |
Stainless Steel |
37 |
37' |
| UP26-96SF |
|
1/12 |
115 |
Stainless Steel |
|
|
| UP26-96SF |
2" |
1/12 |
230 |
Stainless Steel |
28.2 |
29.9' |
| UP26-99SF |
15/26 |
1/6 |
115 |
Stainless Steel |
|
|
| UP26-99SF |
2" |
1/6 |
230 |
Stainless Steel |
33.9 |
32.2' |
| UP43-44BF |
2" |
1/6 |
115 |
Bronze |
67.8 |
13.5' |
| UP15-42 BUC5/MR |
1/2" |
1/25 |
115 |
Bronze |
13.5 |
15' |
| UP15-42 BUC7/MR |
3/4" |
1/25 |
115 |
Bronze |
13.5 |
15' |
| UP 53-45F |
2" |
1/2 |
115/230 |
Cast Iron |
|
14.8' |
| UP43-110F |
|
3/4 |
115/230 |
Cast Iron |
|
36.1' |

*Please note: to view the complete listing of performance curves, please reference the UP series brochure.



Pump Products application engineers are standing by to help you find the right pump, as well as to provide price quotes, stocking availability and shipping information. Call our toll free number 1-800-429-0800 to speak to an expert today.