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Bard part number 140-159 is an OEM support switch used in Bard wall mount and packaged HVAC equipment to provide a positive on off signal when a supported component or access condition is in the correct position for safe operation. If your unit is intermittently shutting down, failing to start, or showing a fault tied to a safety or interlock circuit, a worn or misaligned support switch can be a common root cause. Replacing with the Bard 140-159 helps restore the intended factory control logic and dependable system operation, but because switch applications can vary by model and revision, confirm the part number against your Bard parts list and wiring diagram before ordering.
Please call for available options or find replacement parts.
(844) WALLMOUNT (844-925-5668)