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  • S171-305 OBSOLETE

  • Heat Exchanger 67.5K Service

Bard S171-305 is an OEM 67.5K service heat exchanger assembly used in Bard wall mounted gas/electric units with a 3 burner furnace section. Replacing a compromised heat exchanger is critical for safe, efficient heating, proper airflow through the burner compartment, and reliable limit and ignition operation. This genuine Bard assembly is built to match the original fit and furnace geometry so the unit can return to factory designed combustion and heat transfer performance. Verify your unit model and serial range and match the burner count and heat output rating before ordering to ensure correct application.


Official replacement(s):

  • 171-305BX

  • Heat Exchanger Assy 67.5K Serivce