Infinite Switch, Product Type Infinite Switch, Capillary Tube Length Not Applicable, Sensing Bulb Diameter Not Applicable, Stem Length 2 in, Sensing Bulb Length Not Applicable, Compatible with Brand Vulcan-Hart, OEM Replacement Part Number INF-120-4339, Compatible with Manufacturer Model Number 411503-1, 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