Parts list: № Number Qty Name Options 1 RE504208 1 Sensor Temperature 2 51M7041 1 O-Ring 11.300 X 2.200 mm 3 15H584 1 Pipe Plug 1/2" Next page: ST617444 6698 Temperature Switch Plug ST261946 6610 Temperature Switch PICT-6600.1 6600 Temperature Switch 3029TFU20