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
This circulating pump, Astro 2 series, is designed for closed hydronic systems. It is intended to circulate water or glycol solutions. Designed to work up to 230°F and 150 psi, this circulator operates quietly and requires zero maintenance.
Cast iron pump body construction
Ceramic shaft and bearings
Cross-reference information is printed on the box, for convenient access
e-Coating on the inside of cast-iron volutes provides enhanced corrosion protection for improved reliability
Flange-to-flange and bolt-to-bolt compatibility offers quick and easy exchange of competing models
Plug-in terminal strip saves 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
Maximum flow: 18 gpm
Maximum head: 18.2 ft