This Circulator Pump has an electronically-commutated, high-efficiency brushless motor with a 30,000-hour life expectancy. It may be operated from a 20 to 22 W solar module or directly from a 12 VDC battery system and works well for closed-loop solar water heating systems and radiant floor heating. The graph to the right shows this pump's performance at various heads and flows, at different input voltages. 1-year warranty.

| Model | Operating voltage | Pipe connections | Dimensions (inches) | Item code |
|
MD-10-HEH |
6-16 VDC |
1/2" MNPT |
5.25" x 9" |
075-07237 |