Shurflo Trail King Water PumpShurflo Trail King Water Pump These Shurflo water pumps have are an automatic triple diaphragm pump with an integral pressure switch, to ensure a smooth and consistent water flow. The motors have an integral circuit breaker for overload protection and are fully suppressed. They are built with a robust die cast alloy lower housing with ball bearing drive, giving a longer life of the pump. The Shurflo pumps have a low current draw and are very quiet in