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• 5070-006 OBSOLETE

• 3 Ton Werv Cassette Pulley

Bard part number 5070-006 is the OEM 3 ton WERV cassette pulley used in Bard heat recovery cassette assemblies to drive the energy recovery wheel through the belt system, helping maintain correct wheel speed and stable ventilation performance. If the cassette belt is slipping, squealing, or the wheel speed is inconsistent, replacing the pulley is a straightforward way to restore proper mechanical drive geometry without modifying the cassette. This pulley is listed by Bard as a 3 ton WERV cassette pulley and cross-references to Bard 5501-019, so verifying your cassette model and matching the part number before ordering is recommended to ensure proper fit and alignment.