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The Bard 171-305 heat exchanger assembly is an OEM replacement heating component used in select Bard wall mounted gas/electric equipment, built to provide the correct heat transfer and safe combustion air path for a standard 67.5K BTU furnace section. If your unit is showing heat exchanger deterioration, flame disturbance, or failed inspection due to cracks or corrosion, replacing with the factory Bard 171-305 assembly helps restore proper heating performance and maintain the designed airflow and temperature rise. Because heat exchangers are model and burner count specific, confirm compatibility by matching the exact part number and referencing the unit service literature before ordering.
* Orders less than $50 may incure a minimum order fee.