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Bard part 141-379 is the cassette upper rail used in Bard wall mounted equipment with a modulating CRV (controlled relief vent) cassette assembly, where it helps support and locate the cassette components so the vent section stays properly aligned during operation and service. This OEM rail is a fit-critical internal sheet metal component, so replacing a bent or damaged rail can help prevent misalignment that leads to vibration, air leaks, or difficult reassembly after maintenance. For best results, confirm your unit model and revision in the Bard parts list to match 141-379 to your specific cabinet and vent box configuration before ordering.
* Orders less than $50 may incure a minimum order fee.