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Bard 3018-1474A (AD2A-56-YE2) is an OEM electrical control component used in Bard wall-mount and packaged HVAC equipment to switch high-voltage power to major loads when the unit receives a call from the thermostat or control circuit. When this part is weak or pitted, you may see intermittent operation, chatter, or a unit that will not reliably start or stay running, so replacing it with the correct Bard part helps restore safe, consistent cycling and protects downstream components. Match this part number to the data tag on the existing device and your Bard unit model and serial information to confirm proper coil voltage and pole configuration before installation.
* Orders less than $50 may incure a minimum order fee.