A hydronic circulator that conserves energy and eliminates maintenance. Armstrong's Astro 2 Circulator is intended for circulating water or ethylene glycol solutions in closed hydronic or solar heating systems. It is designed with no mechanical seals or couplers to replace, and no lubrication is required.
- Astro-250SS Circulator Pump - Replacement for Astro-50B
- 1/20 HP
- Single Phase, 115 Volt
- Fluid Lubricated
- Bronze Volute
- Connection Flanged 3/4 To 1-1/2"
- 6-3/8" Flange To Flange
- 21 GPM At 1'
- Max Head 24' At 1 GPM
- Replaces B&G Red Fox NBF
- Efficient/Quiet Operation
- Universal Flange to Flange Dimension
- Cast Iron Construction
- ETL Listed (conforms to UL and certifies to CSA)
- No mechanical seals to leak
- No couplers to break
- No lubrication
- 3 speed selection
- Removable check valve
- Direct replacement of Armstrong and over 90 competitive circulators
- Vent plug for initial purging if required
- Thermally protected motor
- Five-year Warranty
Make & Model | |
UNSPSC |
40151504 |
Manufacturer Part Number |
110223-308 |
Specifications | |
Made in the USA |
No |
Voltage Rating |
115 |
Country of Origin |
CHINA |
Packaging Dimensions | |
Depth |
7.5 in |
Height |
5.3 in |
Weight |
10.0 lb |
Width |
7.9 in |
Product Features | |
Pump Type |
Astro 250SS/Open |
TAABAA |
No |
Brand |
Armstrong |
Connection Type |
Flanged 3/4 To 1-1/2" |
UPC Code |
672807020538 |
Manufacturer Name |
Armstrong |
FOB |
No |
Certification & Standards | |
GSA Approved |
No |