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Bard part number 8612-036 is the R1.00 replacement chip used with Bard AB3000-A and AB3000-B lead/lag controller assemblies, helping maintain the correct programmed operation and sequencing when managing two HVAC units. As an OEM Bard control component, it is intended to restore proper controller functionality when a failed, damaged, or missing chip causes erratic control behavior or loss of settings. Verify compatibility by matching the controller model and any revision requirements before ordering, and follow standard ESD-safe handling practices during installation to protect the electronics.
* Orders less than $50 may incure a minimum order fee.