Replacement thermistor assembly for all USI ARL2700 Digital, ARL4000 Digital and CSL/Classroom 2700 Series roll laminators with the following serial number sequences: 00625-**** and higher, 10609-**** and higher, 40845-**** and higher, 50789-**** and higher, 90869-**** and higher, G0909-**** and higher, W0665-**** and higher, or 8901-****-****.