SHURflo Automatic Demand Pumps. Model 8000-443-136 "Standard Pump", 12vDC, 6.9 max amps, 1.7gpm open flow, max 50psi. 60psi demand switch. Positive displacement Diaphragm pump offers; can deliver up to 1.7gpm from a DC battery pack.(Self priming to 8 feet vertical head). Feature built-in check valve,can run dry without damage. More info... Shurflo-Solar_2088.pdf