As an Amazon Associate I earn from qualifying purchases.Updated: March 31, 2026
The capacitor in your Lennox S10XV-36B-230-3A helps start and run the motor. Over time, capacitors degrade, leading to reduced efficiency, inconsistent operation, or even complete failure. Replacing it every 5 years ensures your unit runs smoothly and avoids costly repairs down the line.
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Function: The Capacitor stores electrical energy and releases it to provide the initial surge needed for the motor to start and run efficiently.
Signs it needs replacing: Humming sounds, difficulty starting, or fluctuating performance are signs of a failing capacitor.
OEM vs aftermarket: OEM capacitors guarantee compatibility but can be more expensive. Aftermarket options offer affordability, but double-check compatibility with your specific model.
Installation: Typically involves disconnecting power, discharging the old capacitor, and connecting the new one. Basic electrical knowledge is helpful.
Replacement schedule: every 5 years
Compatibility warning: always verify part number 23-5002-01 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 Capacitor replacement is for owners of Lennox S10XV-36B-230-3A units experiencing performance issues due to a worn-out capacitor and want to extend the life of their existing unit.
Not ideal for: Consider replacing your entire unit if it's nearing the end of its lifespan or experiencing multiple, recurring problems beyond the capacitor.
Good to Know Before Buying
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Always confirm your exact model number (S10XV-36B-230-3A) 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 Lennox S10XV-36B-230-3A Capacitor?
The part number is 23-5002-01. Always verify this matches your exact model (S10XV-36B-230-3A) before ordering, as similar models may use different parts.
How often should I replace the Capacitor on my Lennox S10XV-36B-230-3A?
every 5 years
Will aftermarket Capacitor replacements work in my Lennox S10XV-36B-230-3A?
Third-party parts are widely available and often cheaper than OEM. Look for listings that specifically mention compatibility with model S10XV-36B-230-3A and check buyer reviews for fit confirmation before purchasing.
Prices change frequently. See the latest deal on Amazon.