Armstrong Astro 250ci Circulator Pump

Astro 250CI 3 field selectable speeds to cover a wide performance range Simple terminal strip for fast and easy wiring 3 field selectable speeds allow replacement of a wide variety of fixed speed circulators Cross reference for most popular models affixed to packaging saves time when installing a replacement circulator 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 MFG# 110223-307