New specials that are up coming, and who our monthly contest winners are. Best Viewed With SunRise represents a breakthrough in deep well solar pumping. Most solar pumps use centrifugal impellers, requiring much more power. SunRise requires a smaller, less costly solar array. When the sun shines, the pump fills a storage tank.
Most systems pump only during daylight hours and require no costly batteries.
Batteries may be used if a large storage tank is not practical. SunRise uses a positive displacement sealed piston mechanism. An oval camshaft drives two opposed horizontal pistons, in balance. These three moving parts run on roller bearings in non-toxic oil, sealed by flexible gaskets. The two check valves are rubber.