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Bard 3012-254A is an OEM electrical relay used in Bard wall-mounted HVAC equipment to switch a control signal into a higher-current load, such as a fan, compressor circuit, or auxiliary function, depending on the specific unit and wiring diagram. When a relay is weak, sticking, or has heat-damaged contacts, you can see intermittent operation, nuisance trips, or delayed starts, so replacing it with the correct Bard-specified relay helps restore reliable cycling and proper control sequencing. Because relays can look similar while having different coil and contact ratings, confirm the part number against your Bard model and the unit schematic before ordering to ensure correct fit and safe operation.
* Orders less than $50 may incure a minimum order fee.