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Bard 8401-032BX is a genuine OEM two pole 20 amp contactor supplied boxed, used as the low voltage switching device that brings on the compressor and other high voltage loads when your thermostat or control board calls for cooling or heating. If you are troubleshooting issues like a unit that will not start, intermittent operation, or visibly burned or pitted contacts, replacing the contactor with the correct Bard part helps restore dependable pull in and safe power routing the way the unit was designed. Confirm coil voltage, electrical ratings, and the exact unit model and serial to ensure proper fit before ordering, since similar Bard contactors can look alike but differ by coil or application.
Bard uses suffixes like "BX" to manage parts internally. These do not change the physical form or function of the part.
A part number ending in "BX" simply means it is packaged in a box for shipping, rather than for internal assembly use.
Example: 8406-142BX is physically identical to 8406-142.