Description 91737 Automatic take off for cows - works with 5/8 or 3/4 ID milk hose Kleen Flo 500 automatic takeoff Features; Interpuls style swirl design sensor part number 91750 Works with 5/8 or 3/4 ID milk hose Heated control box with advanced electronics Stainless Steel cylinder included - 91860 Spare parts in stock User adjustable settings for strip time Power requirements are 24vac 25 watts. 61554 transformer recommended especially in areas where power fluctuations are common. with Model 500 Hi Flo swirl also available with Visoflow style sensor Ezee 91739 Replacement parts: 91750 Complete Sensor 91756 Nut for top of sensor 91755 Cap for sensor 91757 Diaphragm for sensor 91763 Mounting bracket for sensor 91741 Control box with PCB circuit board 91710 Circuit board for 91741 91785 Control Valve 91860 SS cylinder WF style 98790 3/16 rope 96087 Breakaway clip 96012 Small SS snap to attach milking unit updated 6/26