LENNOX AQA042RAA Compressor Scroll 104575-09 41500-BTU R-410A

( Brand: Lennox ), ( Manufacturer Part Number: AQA042RAA ), ( Part Type: Compressor Btu ), ( Compressor Type: Scroll ), ( Power Source: Corded Electric ), ( Refrigerant: R-410a ), ( Color: Black ), ( Material: Steel ), ( Power Phase: 3 Phase ), ( Tonnage: 4-4.9 Tons ), ( Unit Type: Unit ), ( Capacity: 48, 100-58, 000 Btuh )

Review LENNOX Compressor Assembly Scroll Btu R-410a

The **Lennox AQA042RAA 104575-09 Compressor Scroll** is a high-performance, hermetically sealed refrigeration component engineered for precision cooling applications in residential and light-commercial HVAC systems. Designed with Lennox s signature reliability and efficiency, this scroll compressor operates on R-410A refrigerant, a widely adopted, environmentally responsible choice that balances performance with reduced ozone depletion potential. The unit features a robust **41500 BTU/hr** cooling capacity, making it ideal for mid-sized residential air conditioning units, where consistent and quiet operation is paramount. Its advanced scroll design ensures smooth, low-vibration performance, minimizing wear and extending the lifespan of the entire HVAC system while maintaining optimal energy efficiency. The hermetic sealing prevents refrigerant leaks, reducing maintenance needs and environmental impact, while the durable construction often incorporating corrosion-resistant materials ensures longevity even in demanding climates. Whether integrated into a split-system air conditioner or a heat pump, this compressor delivers dependable cooling with minimal noise, making it a trusted choice for both installers and end-users seeking a balance of performance, durability, and sustainability.

### **Pros and Cons of buying a Lennox AQA042RAA 104575-09 Compressor (Scroll, 41500 BTU, R-410A)**

1. **Compatibility with Lennox Systems** This compressor is designed specifically for Lennox air conditioning and heat pump units, ensuring proper fit and performance with minimal risk of compatibility issues.

2. **High Efficiency** The scroll compressor technology used in this model is known for its energy efficiency, reducing electricity consumption while maintaining cooling performance. Lennox systems are generally built for reliability and efficiency, which can lower long-term operating costs.

3. **Reliability and Durability** Lennox is a well-established brand with a reputation for durable HVAC components. Scroll compressors are less prone to mechanical wear compared to reciprocating compressors, leading to longer lifespan and fewer breakdowns.

4. **R-410A Compatibility** This compressor uses R-410A refrigerant, which is widely available and still in use (though being phased down in favor of R-32 and R-413A in newer systems). If your existing system already uses R-410A, this is a straightforward replacement without needing refrigerant conversion.

5. **Quiet Operation** Scroll compressors tend to run more smoothly and quietly than piston-style compressors, reducing noise levels in the home.

6. **Widely Available Parts and Support** Lennox has a broad dealer network, making it easier to find replacement parts, technicians, and warranty support if needed.

7. **Heat Pump Capability** If your system is a heat pump, this compressor will work effectively in both cooling and heating modes, providing year-round comfort.

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1. **Cost** This is a high-quality, OEM (original equipment manufacturer) part, so it will be more expensive than aftermarket or generic replacements. Pricing can vary, but expect to pay significantly more than non-branded alternatives.

2. **Potential Overkill for Smaller Systems** The 41500 BTU rating suggests this compressor is designed for mid-sized to large systems. If your unit is undersized or the compressor is being used in a smaller application, it may lead to inefficiencies or unnecessary strain on the system.

3. **R-410A Phase-Out** While still widely used, R-410A is being phased out in many regions in favor of more environmentally friendly refrigerants like R-32 or R-413A. If you re replacing an older system, you may eventually need to switch refrigerants, adding complexity and cost.

4. **Installation Complexity** Replacing a compressor requires professional installation, including refrigerant handling, electrical connections, and system evacuation. DIY attempts can void warranties and risk damaging the system.

5. **Limited Longevity of Older Systems** If your entire HVAC system is outdated (e.g., 15 years old), replacing just the compressor may not be the most cost-effective solution. A full system upgrade could offer better efficiency and reliability in the long run.

6. **Warranty Restrictions** Lennox warranties may require professional installation and registration. If the installation isn t done by a certified technician, the warranty could be voided.

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The **Lennox AQA042RAA 104575-09 compressor** is a high-quality, reliable choice for replacing a failed compressor in a Lennox system, especially if you prioritize efficiency, durability, and brand compatibility. Its scroll technology and R-410A compatibility make it a solid option for mid-sized cooling and heat pump applications. However, the higher cost and potential future refrigerant transition could be drawbacks depending on your long-term plans.

If your system is otherwise in good condition and the compressor is the only failing component, this is a **strong recommendation**. However, if your HVAC system is old or inefficient, consider weighing the cost of a compressor replacement against a full system upgrade for better long-term savings.

- **Buy it if:** You need an OEM replacement for a Lennox system, your unit is relatively new, and you want maximum reliability and efficiency. Ensure the compressor matches your system s BTU rating and refrigerant type.

- **Consider alternatives if:** Your system is outdated, you re open to aftermarket compressors (which may be cheaper), or you re planning a full HVAC upgrade soon.

- **Always hire a licensed HVAC technician** for installation to ensure proper refrigerant handling, system balancing, and warranty validity.

Details:

Designed for use with R- 410a refrigerant, the scroll compressor provides smooth, quiet operation reduced vibration and long-lasting durability. Scroll design ensures smooth, quiet, and efficient operation. Key Features: Genuine Lennox OEM scroll compressor assembly. The Lennox AQA042RAA / 104575-09 Scroll Compressor Assembly is a high-performance OEM replacement compressor designed for reliable HVAC operation.

Specifications: Brand: Lennox. Application: HVAC cooling systems. Type: Scroll Compressor Assembly. Built for commercial HVAC applications.

Operates at 208-230V, 60Hz, 3PH. Built for 208-230VAC, 60Hz, 3-phase systems, this unit delivers 41,500 btu capacity with 10.5 EER efficiency, ensuring strong and energy-efficient cooling performance.

part #: aqa042raa prices

• $3266.99-$3816.99

specifications motohva:

• brand: Lennox
• mpn: Aqa042raa
• part type: Compressor Btu
• compressor type: Scroll
• power source: Corded Electric
• refrigerant: R-410a
• color: Black
• material: Steel
• power phase: 3 Phase
• tonnage: 4-4.9 Tons
• unit type: Unit
• capacity: 48, 100-58, 000 Btuh

payments motohva:

• wallet: Google-pay
• credit card: Mastercard
• other

offer motohva:

• availability: In Stock
• best offers: True
• started: March 26, 2026
• sold: 0
• options: Ship-to-home
• quantity: 10

shipping motohva:

• cost: $0.00
• transit: 5-12 Days
• type: Fixed
• carrier: UPS, FedEx
• class: Economy, Expedited, Standard
• service: UPS Ground Saver, FedEx Ground Economy, FedEx 2Day, FedEx Ground / FedEx Home Delivery

returns motohva:

• time: 30 Days
• paid by: Buyer
• method: Money back
• policy: Returns Accepted

seller motohva:

• rating: 99.7%
• # reviews: 1622
• city: Riverview, Florida

general motohva:

• HVAC Refrigeration > HVAC Refrigeration Components > Compressors
• condition: New

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