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Bard 910-2198BX is an OEM power supply set to 24VDC kit used to provide stable low-voltage DC power for compatible Bard wall-mount HVAC controls and accessories. If your unit is experiencing control power issues, intermittent operation, or you are completing a factory-approved retrofit that requires 24VDC, this kit helps restore proper control voltage so the system can run and stage correctly. Because control power requirements and harness connections vary by model and vintage, confirm the part number against your unit data tag and the correct Bard service literature before ordering to ensure proper fit and wiring compatibility.
Bard uses suffixes like "BX" to manage parts internally. These do not change the physical form or function of the part.
A part number ending in "BX" simply means it is packaged in a box for shipping, rather than for internal assembly use.
Example: 8406-142BX is physically identical to 8406-142.