BACOENG 3/4" 110V NPT Hot Water Circulation Pump Circulating Pump For Solar Heater Circulator US Plug 1. Rated Power:93/67/46W Inlet/Outlet:3/4"NPT Voltage/Frequency: 110V/60HZ 2. Supersilent,environmentalprotection,aesthetics,easeofinstallation. 3. Built-in high sensitive electronic sensors with three-speed control. 4. Material for Pump housing:STAINLESS STEEL;Impeller: Corrosion-resistant, Composite, PES ;Shaft: Ceramic;Bearing: Carbon axial 5.Hightemperatureresistance,anti-fraying ,highefficiency,highflow,leak-tightness,lowconsumption