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Bard part number 171-118 is an OEM heat exchanger specified for Bard F86CF gas furnace equipment and is the core component that safely transfers heat from the burner section into the air stream while keeping combustion byproducts isolated from the supply air. Replacing a compromised heat exchanger helps restore proper heating performance, maintains correct draft and airflow characteristics, and supports safe operation when the original assembly is damaged, cracked, or leaking. Because heat exchangers are model-specific for fit, venting alignment, and cabinet clearances, confirm your unit model and serial details before ordering to ensure the 171-118 matches your exact Bard configuration.
* Orders less than $50 may incure a minimum order fee.