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Bard part number 8612-018 is an OEM 4 unit lead lag control circuit board used to sequence and rotate multiple Bard wall mount HVAC units so runtime is balanced and standby capacity is available when needed. This control board manages lead and lag changeover logic and coordinated staging across up to four connected systems to help maintain stable space conditions while reducing short cycling and uneven equipment wear. It is intended for Bard control applications where proper unit rotation and coordinated operation are required, so confirm compatibility by matching the part number to your Bard wiring diagram or controller documentation before ordering.
Please call for available options or find replacement parts.
(844) WALLMOUNT (844-925-5668)