BYT-7A006 DC 12V Solar Hot Water Heater Circulation Pump Low Noise 3M Dischar...
Inlet/Outlet: 1/2" male thead. Fit both 1/2" NPT and BSP female thead. We've tested. w/ two brass coupler. 1/2" Male thread on the pump. The OD of the brass coupler is 10mm. NO POWER ADAPTER INCLUDED.