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Bard part number 3000-1222 is an OEM wire assembly used to restore safe, reliable electrical connections inside Bard wall mounted HVAC equipment. When a harness is heat damaged, brittle, or has loose terminals, it can cause intermittent operation, nuisance shutdowns, or hard to trace electrical faults, so replacing it with the correct factory assembly helps keep component wiring properly routed and connected to the intended terminals. Match 3000-1222 to your unit model and the existing harness configuration before ordering, and transfer connections one at a time during installation to maintain correct polarity and control wiring.