For sale is a Honeywell Dialapak AV571AC100 Temperature Controller. Unit labeled: Dialapak / 120V 50/60 Hz / Range 0 - 200 F / ACTU. T.C. J / Non-Indicating / Low Limit / Downscale Burnout. Date Code 8019. This Honeywell Control Unit has been removed from service in a temperature controlled, dust free laboratory environment.