E+D+J Fire pump system, with electric pump, diesel engine pump, jockey pump and control panel. Fire pump system E+D+J,Operation: 1 Duty(electric) + ... protection for main electric pump, hand off auto selector switch for each pump, indication lamps for pump run and pump trip, pressure switch ... new AE.run.minisite.productShow(); oProductShow.init( { 'aImgSrc': aBigImageSrc } ); } )(); Fire Pump System