Flojet model D3131V5011 - 50psi 1.6gpm maximum flow - 12VDC, Demand switch, Viton valves, Viton diaphragm, 3/8" NPT Female ports - Highly chemical & solvent resistant pump for battery powered sprayers.
Repair parts: Pump Upper Housing - PFDH31V501
Kit Valve Chamber - PF20914-002A
Kit Diaphragm & Cam - PF21022-022A
Pressure Switch - PF02090-100