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The Bard 8602-056-0001BX Programmed Econ Module (boxed) is an OEM economizer control module used in compatible Bard wall mount and commercial HVAC systems to manage economizer operation so the unit can take advantage of suitable outdoor air conditions. This factory-programmed module helps coordinate economizer enable logic and damper control inputs for reliable free cooling performance when the economizer is equipped, making it a practical replacement when the original control has failed, is intermittent, or has been damaged during service. For best results, confirm compatibility by matching the full part number and referencing your unit model and serial data before ordering, since programmed modules can vary by application.
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.