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Bard part number 8614-042BX is an OEM 7 amp Class CC fuse used in select Bard wall-mount HVAC equipment to protect the unit’s electrical circuit by opening on overcurrent conditions, helping prevent damage to controls and wiring. Bard identifies this fuse for non-ERV unit configurations in applicable replacement parts literature, so it is a good choice when you are restoring factory-correct protection after a blown fuse or service work. As with any fuse replacement, confirm the exact amp rating and Class CC requirement in your unit’s wiring diagram or parts list before installation to ensure proper fit and safe operation.
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.