bayite byt-7a015 dc 12v solar hot water heater circulation pump with dc power supply adapter low noise 3m head 8lpm 2.1gpm bayite it's perfect for the home solar water heating systems or other circulation pump application.<br> brushless motor,super long working life,low consumption and low noise<br><br> <b>power source:</b> dc 12v<br> <b>rated current:</b> 0.7a<br> <b>low noise:</b> 30db at 1 metre<br> <b>service life:</b> 30000 hours up<br> <b>inlet/outlet:</b> 1/2" male thead. fit both 1/2" npt and bsp female thead. we've tested. w/ two brass coupler<br><br> <b>max flow rate:</b> 8l/min(2.1gpm)<br> <b>max water head:</b> 3 metre(9.8ft)<br> <b>max system pressure:</b> 10bar(145psi)<br> <b>max circulating water temperature: 55°c/131°f. can't be immersed in hot water exceeding 50°c/122°f <br><br> <b>item included:</b><br><br> 1x bayite dc 12v circulation water pump<br> 1x ac 110v to dc 12v power adapter<br>