Shurflo continues to deliver on durability and reliability in sprayer system components with this diaphragm pump, model 8000-543-936 12VDC. This product comes with a wire harness and rates with a maximum pressure of 50 PSI and a flow rate of 1.8 GPM. Cone-shaped Viton® valves and an automatic demand switch make it an excellent selection for a wide range of farm and yard spraying jobs.