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Bard 171-243BX - Heat Exchanger Assembly 75K
The Bard 171-243BX is an OEM heat exchanger assembly rated for 75,000 BTU, used in select Bard wall mounted gas/electric HVAC units to safely transfer burner heat into the supply air stream during heating operation. Replacing a compromised heat exchanger is critical for restoring proper heat output and maintaining safe, reliable furnace performance, especially if you are troubleshooting poor heating, burner issues, or a confirmed heat exchanger failure during inspection. Because model and revision compatibility varies by unit series and heating size, match 171-243BX to your Bard equipment model and parts list before ordering to ensure correct fit and proper burner section alignment.
- Technical Specifications
- Product number: 171-243BX
- Manufacturer description: Heat Exchanger Assy 75K Serivce
- Weight: 68.000 lbs
- HTS Code: "8415.90.8085"
- Previous Versions
- S171-243 (Obsolete, superseded by 171-243BX)
$1,661.00 *
* Orders less than $50 may incure a minimum order fee.
What does the "BX" suffix mean?
Bard uses suffixes like "BX" to manage parts internally. These do not change the physical form or function of the part.
A part number ending in "BX" simply means it is packaged in a box for shipping, rather than for internal assembly use.
Example: 8406-142BX is physically identical to 8406-142.