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