Armstrong ARMflo E.2 Series Circulator Pumps Buyers Guide & Review
The Armstrong ARMflo E.2 series of circulator pumps delivers outstanding value to designers, specifiers, contractors, wholesalers, OEMs, and building owners. The E.2 series is designed for use in a wide range of hydronic applications, including:
- Hot & chilled water recirculation
- Domestic hot water generation
- Snow-melt installations
- Radiant heating systems
- Geothermal heat pumps
ARMflo E.2 series circulators have been re-designed to improve durability and provide enhanced protection against leakage and water damage to electrical components. New design elements include:
- Larger, stainless steel shaft
- New sealed, permanently lubricated bearings
- Bellows-style mechanical seal with silicon carbide wear surfaces
- New water slinger to protect motor against water intrusion
| ARMSTRONG ARMFLO E.2 SERIES CIRCULATOR PUMPS |

Armstrong ARMflo E.2 Series Circulator Pumps
Model Comparison Chart
| Model |
Connection |
HP |
Voltage |
Phase |
GPM |
Max. Head |
| E7.2 |
1.25" |
1/6 |
240 |
1 |
38 |
26' |
| E7.2 |
1.25' |
1/6 |
120 |
1 |
38 |
26' |
| E9.2 |
1.25" |
1/6 |
120 |
1 |
38 |
42.4' |
| E9.2 |
1.25" |
1/6 |
240 |
1 |
38 |
42.4' |
| E8.2 |
1.25" |
1/6 |
240 |
1 |
38 |
34' |
| E8.2 |
1.25" |
1/6 |
120 |
1 |
38 |
34' |
| E10.2 |
1.5" |
1/6 |
120 |
1 |
43 |
28' |
| E11.2 |
1.5" |
1/6 |
120 |
1 |
45 |
31.9' |
| E13.2 |
1.5" |
1/6 |
120 |
1 |
54 |
19.7' |
| E7.2B |
1.25" |
1/6 |
120 |
1 |
38 |
26' |
| E8.2B |
1.25" |
1/6 |
120 |
1 |
38 |
34' |
| E9.2B |
1.25" |
1/6 |
120 |
1 |
38 |
42.4' |
| E10.2B |
1.5" |
1/6 |
120 |
1 |
43 |
28' |
| E11.2B |
1.5" |
1/6 |
120 |
1 |
45 |
31.9' |
| E12.2 |
1.25" |
2/5 |
120 |
1 |
50 |
56' |
| E14.2 |
1.25" |
2/5 |
120 |
1 |
52 |
61' |
| E13.2B |
1.5" |
1/6 |
120 |
1 |
54 |
19.7' |
| E16.2 |
2" |
1/6 |
120 |
1 |
68 |
16.8' |
| E30.2 |
2" |
2/5 |
120 |
1 |
130 |
22' |
| E19.2 |
1.5" |
2/5 |
120 |
1 |
90 |
23' |
| E21.2 |
1.5" |
2/5 |
120 |
1 |
90 |
26.5' |
| E30.2 |
3" |
2/5 |
120 |
1 |
130 |
22' |
| E17.2 |
1.25" |
2/5 |
120 |
1 |
65 |
27' |
| E33.2 |
2" |
2/5 |
120 |
1 |
143 |
26' |
| E33.2 |
3" |
2/5 |
120 |
1 |
143 |
26' |
| E12.2B |
1.25" |
2/5 |
240 |
1 |
50 |
56' |
| E12.2B |
1.25" |
2/5 |
120 |
1 |
50 |
56' |
| E14.2B |
1.25" |
2/5 |
120 |
1 |
52 |
61' |
| E15.2 |
1.25" |
2/5 |
120 |
1 |
58 |
24.5' |
| E28.2 |
3" |
2/5 |
120 |
1 |
117 |
17' |
| E24.2 |
1.5" |
2/5 |
120 |
1 |
105 |
30' |
| E22.2 |
1.5" |
2/5 |
120 |
1 |
88 |
39.5' |
| E29.2 |
3" |
2/5 |
120 |
1 |
128 |
19' |
| E23.2 |
1.5" |
2/5 |
120 |
1 |
83 |
35.5' |
| E19.2B |
1.5" |
2/5 |
120 |
1 |
90 |
23' |
| E16.2B |
2" |
1/6 |
120 |
1 |
68 |
16.8' |
| E21.2B |
1.5" |
2/5 |
120 |
1 |
90 |
26.5' |
| E17.2B |
1.25" |
2/5 |
120 |
1 |
65 |
27' |
| E30.2B |
2" |
2/5 |
120 |
1 |
130 |
22' |
| E30.2B |
3" |
2/5 |
120 |
1 |
130 |
22' |
| E33.2B |
2" |
2/5 |
120 |
1 |
143 |
26' |
| E33.2B |
3" |
2/5 |
120 |
1 |
143 |
26' |
| E15.2B |
1.25" |
2/5 |
120 |
1 |
58 |
24.5' |
| E24.2B |
1.5" |
2/5 |
120 |
1 |
105 |
30' |
| E22.2B |
1.5" |
2/5 |
120 |
1 |
88 |
39.5' |
| E28.2B |
3" |
2/5 |
120 |
1 |
117 |
17' |
| E29.2B |
3" |
2/5 |
120 |
1 |
128 |
19' |
| E23.2B |
1.5" |
2/5 |
120 |
1 |
83 |
35.5' |




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.