Immersion Controller, Application High Limit, Low Limit, Maximum Control Temperature 240 Degrees F, Minimum Control Temperature 130 Degrees F, Differential Temperature 10 Degrees F to 25 Degrees F Adjustable (Low Limit), 5 Degrees F to 20 Degrees F Adjustable (High Limit), Mounting Orientation Horizontal, Vertical, Number of Switches 3, Burner Circuit Voltage Type Low Voltage, Capillary Tube Length 12 in, Spud Size Not Applicable, Contact Form Not Applicable