The high velocity series Taco® 0010 cartridge circulator is designed for quiet, efficient operation in residential or light commercial applications for hydronic heating, chilled water cooling and potable hot water systems. Its unique field-serviceable cartridge contains all moving parts. Replacing the cartridge rebuilds the circulator. With no mechanical seal, the self-lubricating, maintenance free design provides unmatched reliability. Compact and lightweight, with excellent performance characteristics, the 0010 is ideal for installations where space is a premium. Available in cast iron or stainless steel construction.