Parts list: № Number Qty Name Options 1 15H697 1 Pipe Plug 1/2" 2 RE517130 1 Temperature Switch 3 51M7041 1 O-Ring 11.300 X 2.200 mm 4 E74374 2 Plug Next page: ST628077 6698 Temperature Switch Plug ST305419 6609 Temperature Switch ST972549 6630 Temperature Switch ST620758 6618 Water Temperature Sensor PICT-660.1 660 Temperature Switch 4045TF280