The Scotsman A39031-021 Ice Thickness Sensor (Black) is a crucial component in Scotsman ice machines. This sensor accurately measures the thickness of ice forming on the evaporator. By detecting the precise ice thickness, it ensures consistent cube size and optimal machine performance. Replacing a faulty sensor maintains efficient ice production, preventing issues like thin or oversiz... https://partsfe.ca/ice-thickness-sensor-for-scotsman-part-a39031-021