The new Pulsafeeder® Pulsatron® Series C pump offers manual online stroke length adjustment with fixed stroke rate. This pump is 24 Gallon Per Day, (GPD) 230-volt pump handles operating pressures up to 80 PSI. It is water resistant for outdoor and indoor applications. This pump has a highly reliable internal circuit control to maintain a strong working circuit to keep the pump running in the field for quite some time in all applications. The 2704 has a guided ball check valve system included in the head of the pump to reduce back flow and enhance outstanding priming characteristics.