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

Circulation pump is non-self-priming pump (0 Suction Height).
Max Flow Rate: 8L/Min(2.1GPM)
Max Water Head: 3 metre(9.8ft)
Max system pressure: 10Bar(145PSI). This doesn't mean the pump produces 145PSI. It means the pump can be connected to the system less than 145PSI pressure.
Max circulating water temperature: 100°C/212°F. Can't be immersed in hot water exceeding 50°C/122℉