Description
The Bard HVAC 8402-144BX Exposed Face Auto Limit Switch 30 Orange is a temperature-actuated safety control used to regulate system operation based on internal heat conditions. It monitors air or component temperature and automatically opens or closes in the electrical circuit when preset limits are reached, around the L150 operating range. Commonly it is installed in packaged heating and cooling units, it supports protecting heat exchangers, blower assemblies, and other essential components from overheating. Within the HVAC system, it operates as a safety interlock that maintains controlled operation and supports accurate shutdown or reset behavior during temperature fluctuations.
