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. NO POWER ADAPTER INCLUDED
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: 100°C/212°F. It's submersible but can't be immersed in hot water exceeding 50°C/122?
One year warranty: replacement without return