What are the specs for this Compressor?

The correct replacement for Lennox model OEM Lennox Tandem Scroll Compressor Assembly — 11G89 is this exact part. It is the factory-specified replacement with exact OEM specifications. Using a part with different specifications can cause equipment damage or void your warranty. You can verify this by checking the data plate on your Lennox equipment which lists the model number OEM Lennox Tandem Scroll Compressor Assembly — 11G89.

What symptoms indicate I need a new compressor?

Common symptoms that indicate you need a new compressor include unusual noises, intermittent operation, complete failure to operate, or visible damage. For specific diagnostic guidance, visit nationalhvacparts.com/pages/hvac-diagnostic.

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Lennox

OEM Lennox Tandem Scroll Compressor Assembly — 11G89

Name: OEM Lennox Tandem Scroll Compressor Assembly — 11G89
Brand: Lennox
SKU: LNX-11G89
Price: 389.95 USD
Availability: InStock

SKU: LNX-11G89 Brand: Lennox

$389.95 $529.95

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The genuine OEM Lennox 11G89 tandem scroll compressor assembly drives refrigerant circulation in your Lennox condensing unit, combining two matched scroll compressors for staged cooling output. This design allows your system to modulate capacity to the load, delivering smoother temperature control, better humidity removal, and improved seasonal efficiency. The assembly is built to Lennox factory specifications for displacement, voltage, and mounting.

Common failure symptoms: watch for a compressor that buzzes but fails to start, repeated breaker trips, insufficient or warm airflow, unusual mechanical noise, or short cycling on the internal overload. Loss of compression, grounded windings, or a seized rotor typically signal that replacement is needed.

Why OEM matters: a Lennox condensing unit is engineered around the exact performance curve of its original compressor. Generic replacements risk incorrect charge, mismatched staging, and premature failure. The OEM 11G89 restores factory-rated cooling, preserves warranty coverage, and installs cleanly without modification. Always have a licensed, EPA-certified technician handle compressor replacement and refrigerant recovery.

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

OEM Lennox Tandem Scroll Compres...

$389.95

Frequently Asked Questions

Does this Compressor fit my Lennox OEM Lennox Tandem Scroll Compressor Assembly — 11G89?

Yes. This is the factory-specified OEM compressor for the Lennox OEM Lennox Tandem Scroll Compressor Assembly — 11G89. 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 Tandem Scroll Compressor Assembly — 11G89?

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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OEM Lennox Tandem Scroll Compressor Assembly — 11G89

Shipping Information

Return Policy

Frequently Asked Questions