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S171-326 OBSOLETE
- Heat Exchanger 50K Service
Bard part number S171-326 is an OEM 50K heat exchanger assembly used in Bard wall mounted gas/electric units to safely transfer heat from the burner to the supply air stream. If your unit shows signs of a compromised heat exchanger like repeated rollout trips, abnormal exhaust odors, or failed inspection, replacing the exchanger with the correct factory assembly helps restore proper combustion airflow, heat output, and safe operation without guesswork on fit or mounting points. Confirm your exact Bard model and furnace input rating match the 50,000 BTU configuration before ordering, since similar-looking assemblies are used across other capacities and series.
Official replacement(s):
171-326BX
- Heat Exchanger Assy 50K Service