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Bard 920-0420 is an OEM economizer assembly used with Bard D136 ventilation configurations to bring in outdoor air for free cooling and code-required ventilation when conditions allow, reducing compressor run time and helping maintain proper building pressure and airflow on compatible wall-mount equipment. As a genuine Bard replacement part, it is intended to restore correct damper operation and system performance when an existing economizer is damaged, sticking, or no longer modulating properly. Because economizer setups can vary by unit model and vent option, verify compatibility by matching the D136 reference in your unit documentation and confirming the part number before ordering.
* Orders less than $50 may incure a minimum order fee.