The compact Taco 006 Cartridge Circulator is designed for circulating hot and chilled freshwater in a wide range of open and closed loop applications. Its unique, field-serviceablecartridge contains all moving parts. Replacing the cartridge rebuilds the circulator. Withno mechanical seal, the self-lubricating, maintenance free design provides quiet, efficientoperation and unmatched reliability. Available in Low-Lead Bronze, sweat or StainlessSteel, threaded or union connections.Features: Water lubricated Water cooled Impedance protected Cartridge type impeller Bronze casing Non-metallic impeller Ceramic shaft