Taco 007-F5 Flanged Cast Iron Hydronic Circulator 115V The Taco 007-F5 Cartridge Circulator is field serviceable and design is compact. provides quiet operation and unmatched reliability. Self-lubricating. maintenance free design and flow characteristics make it the ideal hydronic circulator for a wide range of applications. Wet-rotor. in-line single-stage circulator pump. Ideal for hydronic heating. radiant heating. hydro-air fan coils. indirect water heaters. chilled fresh water and domestic water recirculation systems. Made using cast iron casing with a non-metallic impeller and stainless steel cartridge. EPDM o-ring and gaskets. Carbon bearings and ceramic shaft. UL listed. Also available in bronze construction with universal flange-to-flange dimensions.Quite. efficient operationStandard high capacity output compact designSelf lubricationDirect drive-low power consumption