Hartell

This pump has an electronically commutated, high efficiency brushless motor with a 30,000-hour life expectancy. It may be operated from an 20- to 22-watt solar module or directly from a 12-volt battery system. They work great for closed-loop solar water heating systems and radiant floor heating. The graph shows this pump's performance at various heads and flows, at different input voltages.

One year warranty.