Circulator Pump; Type Canned Rotor, 1-Speed; End Connection 1/2 Inch Soldered x 1/2 Inch Soldered; Overall Dimensions 3.28 Inch Length x 6.25 Inch Height; Flow Rate 0 to 2.2 GPM; Discharge Head 0 to 3.9 Foot; Casing Material Bronze; Shaft Material Aluminum Oxide Ceramic; Impeller Material PES Composite; Impeller Design Open; Input Supply Rating 115/230 Volt at 60 Hertz 1-Phase 0.23 Amp; Temperature Rating 36 to 176 Deg F; Pressure Rating 145 PSI; Motor Type Permanent Split Capacitor; Inclusions/Features Wet Rotor Design, (2) Gasket for Sealing, Stainless Steel Bearing Plate and Rotor Can, Carbon Thrust Bearing, Aluminum Stator Housing, EPDM Rubber O-Ring and Gasket, 6 Foot 3-Prong Power Cord, Timer, Auto Adapter; Exclusions Shaft Seal; Application Boiler/Hydronic Heating, Ground-Source Heat Pump, Radiant Floor Heating, Hydronic and Fan-Coil Heating, Solar Heating, Heat Recovery, Solar Water Heating, Hot-Water Recirculation, Domestic Hot-Water Heating, Chilled-Water Pumping; Applicable Standard NSF/ANSI 61/372, UL (Canada and US), CSA; Lead-Free; Power Rating 6 Watt; Capacitance 0.6 Microfarad; Port to Port Length 80 Millimeter; Pipe Connection Size 1/2 Soldered