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Bard part number 8402-019 is an OEM thermal cut-off (G5AM0400128) used as a one-time safety device in Bard wall-mounted HVAC equipment to protect the unit by opening the circuit if temperatures rise beyond the rated limit. This component is commonly associated with electric heat circuits and other high-heat areas where reliable over-temperature protection is critical, and replacing a tripped or failed thermal cut-off can help restore proper operation while maintaining factory safety intent. For correct fit and safe performance, match the part number to your Bard model and follow the unit wiring diagram and service instructions during replacement.
* Orders less than $50 may incure a minimum order fee.