Description
• 110223-321 Armstrong 280SS 3-Speed Circulating Pump. The Armstrong Astro 2 circulators are designed for quiet operation and zero maintenance. In combination with cast iron volutes the Astro 2 line is intended to circulate water or ethylene-glycol solutions in closed hydronic or solar heating systems. The Astro 2 line is available in three volute materials for residential, small industrial, and commercial applications.
• EPDM gasket
• Removable check valve installed at pump outlet
• Open system body
• Flange with (2) 1/2 in. diameter bolt holes
• e-Coating on the inside of cast-iron volutes provides enhanced corrosion protection for improved reliability
• Flange-to-flange compatibility offers quick and easy exchange of competing models
• Large wiring box and convenient plug-in terminal strip save time
• High-flow check valve, is pre-installed for convenience, where the installation does not call for a check valve, it can be removed in seconds
• AMP: 1.5A (Speed 1), 1.8A (Speed 2), 1.9A (Speed 3)
• Bearing Material: Ceramic
• Connection Type: Flanged
• Fitting Size 3/4, 1, 1-1/4, 1-1/2 in.
• Horsepower 1/25 hp
• Maximum Feet of Head 0 - 42 ft.
• Maximum Temperature 110C
• Phase 1 PH
• Power Rating218W
• Pressure – Maximum 150 psi
• Motor Type: ODP
• Pump Mounting: In-Line
• RPM: 1750 RPM