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The Bard ECONWMT-T5BX economizer kit is an OEM ventilation accessory designed for select 3.5 through 6 ton Bard wall-mount air conditioners and heat pumps that use the factory-installed Vent Option T, allowing the unit to bring in and modulate outdoor air for free cooling when conditions are suitable while providing integrated exhaust operation for proper building pressure control. This temperature-controlled economizer package is built to match Bard fit-up and wiring conventions shown in Bard installation and operating instructions, making it a dependable choice when you are replacing a damaged economizer assembly or restoring a unit that is not economizing correctly. Confirm compatibility by matching the model and ventilation option of your unit to the economizer nomenclature before ordering the ECONWMT-T5BX.
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.