It's perfect for the home solar water heating systems or other circulation pump application.
Brushless Motor,Super long working life,low consumption and low noise

Power source: DC 12V
Rated current: 0.7A
Low noise: 30db at 1 metre
Service life: 30000 hours up
Inlet/Outlet: 1/2" male thead. Fit both 1/2" NPT and BSP female thead. We've tested. w/ two brass coupler

Max Flow Rate: 8L/Min(2.1GPM)
Max Water Head: 3 metre(9.8ft)
Max system pressure: 10Bar(145PSI)
Max circulating water temperature: 55°C/131°F. Can't be immersed in hot water exceeding 50°C/122℉

Item included:

1x bayite DC 12V Circulation Water Pump
1x AC 110v to DC 12v power adapter

Circulation pump is non-self-priming pump. Max Flow Rate: 2.1GPM, Max Discharge Head: 9.8ft
1/2" Male thread on the pump. The OD of the brass coupler is 10mm. Plug type: 2.1mm x 5.5mm female.
Power source: DC 12V(Comes with a AC 110v to DC 12v power adapter), Rated current: 0.7A, Brushless Motor, Low noise: 30db at 1 metre, Service life: 30000 hours
Max circulating water temperature: 55°C/131°F. It's submersible but can't be immersed in hot water exceeding 50°C/122℉
Wide Applications: bayite circulation pumps are indeed versatile and find use in various scenarios including: Hot/cold water circulation systems, water transfer projects, beer/wine brewing, funtains, greenhouses, solar water heater systems....