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Bard 9043-307 - Auxiliary Limit Switch
The Bard 9043-307 auxiliary limit switch (4034704) is an OEM safety control used in Bard wall mount and packaged HVAC equipment to sense abnormal operating conditions and open or close the circuit when a limit is reached, helping protect critical components and prevent nuisance damage from overheating or airflow related faults. This switch is commonly tied into the unit safety chain so the system can shut down or lock out when temperatures exceed the intended range, then allow normal operation once conditions return to spec. Use Bard part number 9043-307 when you need a like-for-like replacement to maintain proper safety operation and reliable system control, and always confirm the correct match by model and serial in the Bard unit wiring diagram or service literature before ordering.
- Technical Specifications
- Product number: 9043-307
- Manufacturer description: Auziliary Limit Switch 4034704
- HTS Code: "8536.50.9065"