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Bard part 8402-191 is an OEM thermal cutoff (thermal fuse), identified by the manufacturer as Thermal Cutoff G5Am0400084, used as a safety device in Bard wall-mount HVAC equipment to open the circuit if abnormal heat is detected and help prevent damage from overheating. When a unit trips this style of one-time thermal cutoff, it typically points to an underlying airflow, electrical load, or component issue that should be corrected before putting the system back in service. Use 8402-191 when you need the correct Bard-specified cutoff for proper fit and dependable protection, and confirm compatibility by matching the part number to your unit model and wiring location in the service documentation.
* Orders less than $50 may incure a minimum order fee.