BACOENG 3/4'' 110V/115V Hot Water Circulation Pump/Circulator Pump For Solar Heater System With US Plug Flexible Application - Directly Used in Floor Heating System and Hot Water Recirculating System. Also a Wise Choice for DIY: Add a timer to be more energy saving. Add a bridge valve to be used in no return pipe system. SMART Connector: 5.5 Ounces Lead-Free Brass Fitting. Smart Design Shortens the setup or disassembly time to within 10 seconds. 1/2" Deep Thread prevent the Tube from leaking. FEATURES: Built-in high sensitive electronic sensors with three-speed control. High temperature resistance. Super silent, environment friendly. Material: Pump housing: Cast Iron; Impeller: Corrosion-resistant, Composite, PES ;Shaft: Ceramic; Bearing: Carbon axial Rated Power:93/67/46W Inlet/Outlet:3/4'' Voltage/Frequency:115V/60HZ Installation length:5.1inches Liquid temperature range:32 - 230