Infinite Switch Product Type Infinite Switch Capillary Tube Length Not Applicable Sensing Bulb Diameter Not Applicable Stem Length 1 in Sensing Bulb Length Not Applicable Compatible with Brand Wells OEM Replacement Part Number INF-120-975 Compatible with Manufacturer Model Number 30570 Compatible with Series 5500 M Series Input Voltage 120V AC Dial Range Not Applicable Maximum Control Temperature 250 Degrees F Minimum Control Temperature 0 Degrees F For Use With Wells 30570