Taco 007-SF5 Stainless Steel Flanged Cartridge Circulator, 125 PSI,115V Stainless Steel Construction, Standard High Capacity Output Compact Design Unique, 00 family replaceable cartridge contains all of the moving parts so you can service it easily instead of replacing the entire unit. Quiet, Efficient Operation, Direct Drive-Low Power Consumption Self Lubricating, No Mechanical Seal Universal Flange to Flange Dimension