Armstrong Pumps Armstrong Astro 230CI, Cast Iron, Flange Connection

The astro 230 Cast iron is designed for years of maintenance free service in your home heating system. Large wiring box and convenient plug-in terminal strip saves time. High flow check valve is pre-installed.|Astro 230CI (cast iron flange connection)|Wet rotor 97W, 3 speed covers most domestic heating applications|Built in check valve assures correct flow direction and cuts installation cost, no separate flow check required|Maintenance free