Parts list: № Number Qty Name Options 1 RE503883 1 Temperature Switch 2 51M7041 1 O-Ring 11.300 X 2.200 mm 3 15H584 1 Pipe Plug 1/2" Next page: ST972706 6631 Temperature Switch ST628077 6698 Temperature Switch Plug ST972549 6630 Temperature Switch ST620758 6618 Water Temperature Sensor PICT-660.1 660 Temperature Switch 4045TF280