Armstrong Compass Series Circulator Pumps Buyers Guide & Review
The Armstrong Compass series is an energy-efficient variable speed wet-rotor circulator. Designed to replace existing fixed speed circulators, with popular flange-to-flange dimensions, Compass can be considered a universal replacement for all circulators in its capacity range. These circulators incorporate advanced functionality to assist with your construction and service projects. The compass “auto” algorithm intelligently adapts to system demand, so you get the right setup every time and your customers enjoy comfortable room temperatures. Ultimately, compass circulators provide reliable performance, backed by a two-year warranty, with noticeable reductions in energy consumption and operating costs.
Features
- Broad operating range, producing up to 20 feet of head and 20 USgpm flow
- Design Envelope technology providing sensorless demand-based control
- Efficient ecm motor technology and intelligent variable speed operation
- Easy to read display
- Eight different modes of operation providing versatility to cover the performance of a wide range of fixed speed circulators
- Flanged connection
- Maximum liquid temperature 230°F (110°C)
- Power range: 5 W to 45 W
- Includes check valve
Applications
- Residential heating and cooling. For closed systems (boiler loops)
| ARMSTRONG COMPASS SERIES CIRCULATOR PUMPS |

Armstrong Compass Series Circulator Pumps
Model Comparison Chart
| Model |
COnnection Type |
HP |
Voltage |
Material of Construction |
GPM |
Max. Head |
| 20-20CI |
Flanged |
1/17 |
115 |
Cast Iron |
20 |
20' |
| 20-20 SS |
Flanged |
1/17 |
115 |
Stainless Steel |
20 |
20' |





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