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Lennox

OEM Lennox Compressor — 15S39

SKU: LNX-15S39 Brand: Lennox
$389.95 $529.95

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Texas CMBL #19328542014
SAM.gov Registered
Govt POs Accepted

The genuine OEM Lennox 15S39 compressor is the heart of your outdoor condensing unit, pressurizing and circulating refrigerant through the system to move heat out of your home. Built and rated to Lennox specifications, it delivers the correct capacity, refrigerant compatibility, and electrical characteristics your system was engineered around for dependable cooling performance.

Common failure symptoms: A failing compressor often shows up as warm air from the vents, the outdoor unit humming but not starting, hard-starting or repeated tripping of the breaker, loud grinding or rattling noises, or a system that runs constantly without cooling. Electrical shorts, seized internals, and loss of compression are typical end-of-life conditions.

Why OEM matters: The compressor must be precisely matched to the system's metering device, coil, and charge. A non-OEM substitute with the wrong displacement or motor rating can cause poor efficiency, short cycling, and premature failure. The OEM Lennox 15S39 guarantees the correct fit and performance for your Lennox equipment. Compressor replacement should be performed by a licensed HVAC technician, and proper evacuation, charging, and a new filter drier are recommended.

Shipping Information

  • Orders placed before 3PM CST ship same business day
  • Standard delivery: 2-5 business days
  • Express shipping available at checkout
  • Free shipping on orders over $75
  • Tracking number emailed upon shipment

Return Policy

  • 30-day returns on unused parts in original packaging
  • Electrical parts (capacitors, contactors, control boards) are final sale once installed
  • Email info@nationalhvacparts.com to initiate a return
  • Refunds processed within 5-7 business days

Frequently Asked Questions

Does this Compressor fit my Lennox OEM Lennox Compressor — 15S39?
Yes. This is the factory-specified OEM compressor for the Lennox OEM Lennox Compressor — 15S39. It is a direct drop-in replacement that fits without modification. Always verify the model number on your equipment nameplate before ordering.
How do I replace the compressor on my Lennox OEM Lennox Compressor — 15S39?
Refer to your equipment service manual for model-specific steps. General approach: turn off power, photograph connections, remove old part, install new part, restore power and test. For gas components, hire a licensed technician. Email info@nationalhvacparts.com for guidance.
What symptoms mean I need a new compressor?
Common symptoms: unusual noises, intermittent operation, complete failure, or visible damage. Visit our diagnostic hub for symptom-based troubleshooting.
Is this compressor compatible with Bryant or Payne too?
Many Lennox parts are cross-compatible with Bryant and Payne since all three brands are manufactured by Carrier Global Corporation. The same physical part is often used across brand labels with different model numbers. To verify: check your Bryant or Payne equipment service manual for cross-compatible part numbers, or email info@nationalhvacparts.com with your model number.
Should I use OEM or aftermarket for my Lennox compressor?
OEM recommended for reliability and warranty compatibility. OEM parts match exact factory specifications for proper fit, performance, and safety. While aftermarket alternatives cost less upfront, the risk of improper fit and reduced lifespan usually makes OEM the better value long-term.
How fast does National HVAC Parts ship?
Orders placed before 3:00 PM CST ship the same business day. Standard delivery is 2–5 business days anywhere in the continental United States. Express shipping available at checkout. We ship from Houston, TX to all 50 states. 30-day return policy on all parts.
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Mike Rivera
HVAC Parts Specialist — Online