Bard 9043-363 - Flue Box

The Bard 9043-363 flue box (mfr ref 4042301) is an OEM exhaust venting component used on Bard wall mounted HVAC equipment with gas heat to properly collect and route combustion flue gases to the unit vent outlet. A solid, correctly fitted flue box is critical for safe furnace operation, stable draft, and reliable heat performance, especially when servicing older school or modular building units where corrosion, gasket leaks, or heat stress can compromise the original assembly. Use Bard 9043-363 when you need an exact replacement that matches Bard factory specifications for fit and function, and confirm compatibility by model and serial number before ordering since flue and vent assemblies can vary by heater size and unit series.

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