April 2, 2015: Nuheat is now a Pentair company. More information.


The Raychem AMC-1A ambient-sensing thermostat is designed to control heat tracing systems used for freeze protection in non hazardous locations. The thermostat responds to ambient temperature changes and has an adjustable set point. The AMC-1A can be used to control a single heat tracing circuit or as a pilot control of a contactor switching multiple heat tracing circuits.