TACO Model 007 Cartridge Circulator Cartridge style, maintenance free, wet-rotor, in-line, single stage circulator pump. Designed for quiet operation in hydronic heating, radiant heating, Hydro-Air fan coils, indirect water heaters, chilled fresh water, and domestic water recirculation systems. Other features include universal flange to flange dimensions, no mechanical seal, self-lubricating, and direct drive-low power consumption. Replaceable cartridge contains all of the moving parts and allows the circulator to be easily serviced instead of replacing the entire unit. Replacement cartridge available. Material Cast Iron, Voltage 115V, Frequency 60 Hz, Phase Single, Amperage .71 A, RPM 3250 rpm, Horsepower 1/25 HP, Flow Rate 0-23 GPM, Head Range 0-10', Fluid Temperature 40 F/240 F, Max Working Pressure 125 psi, Connection Size 3/4 , 1 , 1-1/4 , 1-1/2 Flanged, Pkg Qty 1, Package Type Box