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The Bard 8407-062BX is an OEM boxed control transformer designed to step down 460 VAC to 24 VAC at 75 VA for powering low-voltage HVAC controls such as contactor coils, relays, and control boards in Bard wall-mounted air conditioners and related equipment. This transformer is a critical link between the unit’s line-voltage supply and the 24-volt control circuit, so replacing a weak or failed transformer can help resolve intermittent control power, chattering contactors, or no-call situations. Use the part number 8407-062BX to confirm an exact match to your unit’s parts list and wiring requirements before installation.
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.