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Bard part number 3000-1578BX is an OEM 0-10 VDC adaptor and wire assembly used in Bard HVAC control wiring where a low-voltage analog signal is needed for proper device communication and modulation. This harness-style assembly helps restore reliable signal transfer between compatible controls and field components, which can reduce nuisance operation issues caused by damaged connectors or compromised wiring. Because 0-10 VDC circuits are sensitive to poor connections, replacing with the correct Bard OEM assembly is the safest way to maintain proper system response and avoid mismatched terminations. Confirm compatibility by matching your unit model and wiring diagram before ordering.
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.