Carrier Infinity 20UH Induced Draft Motor Replacement
As an Amazon Associate I earn from qualifying purchases.Updated: April 03, 2026
The Induced Draft Motor in your Carrier Infinity 20UH is responsible for drawing combustion air into the unit and exhausting fumes. Over time, these motors wear down and lose efficiency. Replacing it on schedule helps maintain your unit's performance and safety. Delaying replacement can lead to reduced heating or cooling capacity, increased energy consumption, and potential malfunctions.
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Function: The Induced Draft Motor creates airflow for combustion and exhausts fumes.
Signs it needs replacing: Noisy operation, decreased airflow, difficulty starting the unit, unusual smells.
OEM vs aftermarket: OEM parts guarantee perfect fit but are more expensive. Aftermarket options offer cost savings but double-check compatibility reviews.
Installation: Typically involves removing panels, disconnecting wiring and the old motor, and installing the new one. Requires basic mechanical skills or professional help.
Replacement schedule: every 5 years
Compatibility warning: Always verify part number matches your exact model before ordering
Pros & Cons
Pros
✓ Restores device to original performance without buying a new unit
✓ Significantly cheaper than a full device replacement
✓ Multiple options available from OEM and aftermarket sellers
Cons
✗ OEM parts cost more than third-party alternatives
✗ Wrong part number will not fit — model verification is essential
Common Use Cases
Scheduled maintenance on the every 5 years replacement cycle
Performance restoration after noticing reduced output or efficiency
Preventive replacement before a worn part causes secondary damage
Who Should Buy This
This replacement part is for the owner of a Carrier Infinity 20UH (model 20UH080A) whose unit is experiencing performance issues due to a worn Induced Draft Motor and who wants to extend the life of their system.
Not ideal for: If your Carrier Infinity 20UH unit is significantly old, damaged beyond repair, or requires frequent repairs, full replacement might be more cost-effective than individual part replacements.
Good to Know Before Buying
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Always confirm your exact model number (20UH080A) before ordering. Part numbers vary between model variants and production years. Check the label on your device or original documentation to be sure.
Frequently Asked Questions
What is the part number for the Carrier Infinity 20UH Induced Draft Motor?
The part number is R4KJF000S001. Always verify this matches your exact model (20UH080A) before ordering, as similar models may use different parts.
How often should I replace the Induced Draft Motor on my Carrier Infinity 20UH?
every 5 years
Will aftermarket Induced Draft Motor replacements work in my Carrier Infinity 20UH?
Third-party parts are widely available and often cheaper than OEM. Look for listings that specifically mention compatibility with model 20UH080A and check buyer reviews for fit confirmation before purchasing.
Prices change frequently. See the latest deal on Amazon.