Taco 0013BF3-J (Cast Iron pump with a Bronze Cartridge)

It's perfect for boilers with high pressure drop, fan coil units, heat exchangers, large radiant heat systems and geothermal systems. Motor on this pump is impedance-protected. Permanently lubricated ball bearings, a nonmetallic impeller, a ceramic shaft, and no mechanical seal. With replaceable cartridge, you don't need to replace the entire circulator (SKU: RC013). Universal Flange-to-Flange Dimensions