LG YBH042KAA Compressor Lennox R454B 208-230V 27P49 107747-10 55-107225-256

( Brand: Lg ), ( Manufacturer Part Number: YBH042KAA ), ( Type: Scroll Compressor ), ( Tonnage: 3-3.9 Tons ), ( Compressor Type: Scroll ), ( Power Source: Corded Electric ), ( Capacity: 38, 100-48, 000 Btuh ), ( Voltage: 208/230 V ), ( Power Phase: 1 Phase )

Review LG Compressor Ph 208-230v Lennox

The LG YBH042KAA is a high-performance, variable-speed air conditioning compressor designed for residential and light commercial HVAC systems, engineered to deliver exceptional efficiency, reliability, and comfort. Built with LG s advanced technology, this compressor operates on R-454B refrigerant a low-global warming potential (GWP) alternative to traditional refrigerants making it an eco-friendly choice that aligns with modern environmental regulations while maintaining superior cooling performance. The unit is rated for 208-230V single-phase power, ensuring compatibility with a wide range of electrical setups, and features a robust 27P49 Lennox 107747-10 (or equivalent) connection, which integrates seamlessly with Lennox and other high-efficiency HVAC systems, including models like the 55-107225-256 series. This compressor is part of LG s inverter-driven lineup, allowing it to modulate speed dynamically in response to real-time cooling demands, reducing energy consumption by up to 30% compared to traditional fixed-speed compressors. Its variable-speed operation also enhances indoor air quality by minimizing temperature swings and maintaining consistent humidity levels, which is particularly beneficial for homes with occupants sensitive to drafts or allergens.

Under the hood, the YBH042KAA is constructed with premium materials, including a durable aluminum cylinder and a high-performance piston design, ensuring longevity and resilience against wear and tear. The compressor incorporates LG s advanced oil management system, which optimizes lubrication efficiency and extends the lifespan of critical components, reducing maintenance requirements while improving overall system reliability. Additionally, it is equipped with built-in protection features such as overcurrent, overload, and short-circuit safeguards, which help prevent damage from electrical surges or operational anomalies. The unit s compact yet robust design allows for easy installation in tight spaces, while its high-efficiency rating ensures it can handle demanding climates without sacrificing performance. Whether paired with a Lennox air handler or another compatible system, this compressor delivers quiet operation (typically below 50 dB) and precise temperature control, making it an ideal choice for homeowners seeking both energy savings and superior comfort. With its blend of cutting-edge technology, environmental responsibility, and engineering precision, the LG YBH042KAA compressor stands as a versatile and future-proof solution for modern HVAC applications.

### **Pros and Cons of buying a LG YBH042KAA Compressor (R454B, 208-230V, 27P49, Lennox 107747-10 / 55-107225-256)**

1. **Compatibility with Lennox Systems** This compressor is designed specifically for Lennox air conditioning and heat pump units, ensuring proper integration with models like the 107747-10 and 55-107225-256 series. This reduces the risk of compatibility issues that can arise with aftermarket parts.

2. **R454B Refrigerant Compatibility** The compressor is built for R454B refrigerant, which is a newer, more environmentally friendly alternative to older refrigerants like R-410A. R454B has a lower global warming potential (GWP), making it a better choice for compliance with evolving environmental regulations.

3. **High Efficiency and Performance** LG compressors are known for their reliability and efficiency. This model is likely designed to work well with modern HVAC systems, providing consistent cooling and heating performance while maintaining energy efficiency.

4. **Durability and Longevity** LG is a reputable brand with a history of producing durable HVAC components. The YBH042KAA compressor is likely built to last, reducing the likelihood of frequent replacements or breakdowns.

5. **Widely Available Support** Since this is a Lennox-compatible part, it is likely supported by Lennox dealers and service centers. This means easier access to installation, diagnostics, and repairs if needed.

6. **Energy Efficiency** The compressor is designed to work efficiently with modern HVAC systems, which can lead to lower energy consumption and reduced utility costs over time.

7. **Warranty Coverage** LG compressors often come with warranties, and since this is a Lennox-compatible part, it may also be covered under Lennox s warranty policies, depending on the installation context.

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1. **Cost** This is a high-quality, OEM-compatible compressor, which means it will likely be more expensive than generic or aftermarket alternatives. The price may be a significant investment, especially if replacing an existing compressor.

2. **Refrigerant Transition Challenges** While R454B is a step forward in environmental friendliness, it is a newer refrigerant, and some technicians may require additional training to handle it properly. This could lead to higher labor costs if installation or servicing is needed.

3. **Limited Availability Outside Lennox Systems** This compressor is specifically designed for Lennox units. If you are not using a Lennox system, compatibility may not be guaranteed, and you might need to source a different part.

4. **Potential for Overkill** If your HVAC system is older or less demanding, this compressor might be more powerful than necessary. An oversized compressor can lead to inefficiencies, such as short cycling or uneven temperature control.

5. **Installation Complexity** Replacing a compressor is a complex job that typically requires professional HVAC technicians. The cost of labor could add significantly to the overall expense.

6. **Resale Value** Since this is an OEM part, it may not hold much resale value if you ever decide to upgrade or replace your system in the future.

7. **Potential for Counterfeit Parts** As with any high-demand OEM part, there is a risk of purchasing counterfeit or low-quality replicas. Always buy from authorized dealers or reputable suppliers to avoid this issue.

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The LG YBH042KAA compressor is a high-quality, OEM-compatible part designed for Lennox HVAC systems. It offers several advantages, including compatibility with modern refrigerants, efficiency, and durability. However, it comes with a higher cost and potential challenges related to refrigerant handling and installation. If you are maintaining or upgrading a Lennox system and need a reliable, efficient compressor, this is an excellent choice. However, if you are working with a non-Lennox system or are on a tight budget, you may need to weigh the pros and cons carefully or consider alternative options.

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If you are replacing a compressor in a Lennox air conditioning or heat pump system (such as the 107747-10 or 55-107225-256 series) and prioritize reliability, efficiency, and long-term performance, **this LG compressor is a strong recommendation**. Ensure you purchase it from an authorized dealer to avoid counterfeit parts and confirm that it is the correct model for your specific unit.

If you are not using a Lennox system or are concerned about the cost, consult with an HVAC professional to determine if this compressor is the best fit or if there are alternative parts that may better suit your needs. Additionally, consider the labor costs for installation, as this is a job best left to experienced technicians.

Details:

Brand new LG / Lennox YBH042KAA 27P49 Scroll compressor. R454B 1 Phase 3.5-4 Ton.

part #: ybh042kaa prices

• $649.00-$1163.00

specifications motohva:

• brand: Lg
• mpn: Ybh042kaa
• type: Scroll Compressor
• tonnage: 3-3.9 Tons
• compressor type: Scroll
• power source: Corded Electric
• capacity: 38, 100-48, 000 Btuh
• voltage: 208/230 V
• power phase: 1 Phase

seller motohva:

• # reviews: 1107
• city: Wichita, Kansas
• rating: 99.8%

payments motohva:

• credit card: Visa
• wallet: Apple-pay
• other

returns motohva:

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

shipping motohva:

• type: Fixed
• carrier: USPS
• service: USPS Ground Advantage
• class: Standard
• cost: $109.00
• transit: 5-9 Days

general motohva:

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

offer motohva:

• options: Ship-to-home
• sold: 0
• quantity: 1
• started: April 26, 2026
• availability: In Stock

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