Description
Astro 2 series, 250SS model is a 115V, 3-speed flanged circulator designed for domestic water or open-loop heating applications. 3 speeds (Low/Med/Hi) offer flexibility in installation of domestic recirculation, radiant heating, baseboard and other systems.
Cross-References:
- Grundfos UPS 15-55SFC
- Wilo Star S 21BFX
- B&G NBF-25
Features:
- Designed for use in open-loop heating applications, including hydronic, radiant heat and others
- e-Coating on the inside of the pump provides an enhanced corrosion protection for longer pump life and less debris in the system
- Large wiring box and convenient plug-in terminal strip
- 3-Speed functionality
- Lead-free, approved for potable water applications nationwide
- cETLus listed
- Standard flange (2-1/2″ OC holes), compatible with other brand flanges & isolation valves.
Technical Specifications:
- Electrical: 115V, 60Hz, 1 Phase
- Nominal Power: 117 Watts
- Amp Draw: 0.65A @ Spd 1
- 0.79A @ Spd 2
- 0.98A @Spd 3
- Max. fluid temperature: 230°F
- Max. ambient temperature: 104°F
- Max. operating pressure: 150 psi
- Max flow: 18 GPM
- Max. head: 24 ft
- Body material: Lead-Free Stainless Steel
- Component materials: Noryl impeller, ceramix shaft & bearings, EPDM gasket
- System connections: standard flange
- Circulator flange-to-flange dimensions (height): 6.38″ (6-3/8″).
Warranty:
2 years manufacturer’s warranty.
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