
42521-001 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $233.19 | Condition is New, Lennox R42521-001 Motor, FREE SHIPPING | 98.7% |

The Lennox 42521-001 Armstrong Air/Genteq Furnace Blower Motor is a crucial component of your HVAC system designed to deliver efficient and reliable air circulation in your home. This replacement blower motor is specifically engineered for use with select Lennox and Armstrong Air furnaces, ensuring a seamless fit and optimal performance.
The motor boasts a capacity of 1/5 horsepower, providing ample power to circulate air throughout your living spaces effectively. It operates at a consistent speed of 1075 revolutions per minute (RPM), ensuring even air distribution and maintaining a consistent temperature within your home.
The Lennox 42521-001 motor is engineered with a heavy-duty, robust design that can withstand the rigors of continuous use within an HVAC system. Its high-quality insulation and robust housing protect it from the effects of electrical current and environmental factors, extending its lifespan and ensuring dependable operation.
This blower motor features a universal voltage design, which allows it to operate on both 115 and 230-volt power supplies, providing flexibility in installation options. Its easy-to-install design includes pre-attached wiring harnesses, simplifying the replacement process for homeowners or HVAC professionals.
The Lennox 42521-001 Armstrong Air/Genteq Furnace Blower Motor is designed with energy efficiency in mind, contributing to overall system efficiency and helping to reduce your energy consumption and lower your utility bills.
In summary, the Lennox 42521-001 Armstrong Air/Genteq Furnace Blower Motor is a high-performance, reliable, and energy-efficient component designed to keep your home comfortably heated and circulating clean air. Its robust design, universal voltage compatibility, and easy installation make it an ideal choice for homeowners and HVAC professionals seeking a top-quality replacement motor for their Lennox or Armstrong Air furnace.
Lennox Armstrong Genteq Furnace Blower Motor F42C52A45 (1/5 HP, 1075 RPM) Buyer's Guide
Introduction:The Lennox 42521-001 Armstrong Genteq Furnace Blower Motor F42C52A45 is a replacement part designed for Lennox furnaces. This 1/5 HP, 1075 RPM motor is essential for maintaining proper heating and airflow in your home. In this guide, we will discuss the pros and cons of purchasing this blower motor to help you make an informed decision.
Pros:1. Compatibility: This blower motor is specifically designed for Lennox furnaces, ensuring a perfect fit and seamless integration with your heating system.
2. Energy Efficiency: The motor is energy-efficient, which can help reduce your electricity bills in the long run.
3. Reliable: Lennox is a trusted brand with a reputation for producing high-quality products. This blower motor is no exception, offering reliable performance and durability.
Cons:1. Cost: Replacement blower motors can be expensive, especially when compared to the cost of a new furnace. The Lennox F42C52A45 motor is no exception, with a higher price tag compared to some aftermarket alternatives.
2. Installation Complexity: Installing a new blower motor can be a challenging task, especially for homeowners without experience in HVAC repair. Professional installation may be required, adding to the overall cost.
3. Potential for Noise: Some customers have reported that this blower motor can be noisier than the original motor, which may be a concern for light sleepers or those sensitive to noise.
Conclusion:The Lennox Armstrong Genteq Furnace Blower Motor F42C52A45 (1/5 HP, 1075 RPM) is a reliable and energy-efficient replacement part designed for Lennox furnaces. While it may be more expensive than some aftermarket alternatives and installation can be complex, the benefits of using a genuine Lennox part, such as compatibility and durability, can outweigh the costs.
Recommendation:If you own a Lennox furnace and are experiencing issues with your blower motor, it is recommended to invest in a genuine Lennox replacement part, such as the F42C52A45 model. Ensure that you have the necessary tools and expertise to install the motor yourself or consider hiring a professional to minimize potential complications. By choosing a high-quality replacement part from a trusted brand, you can restore optimal performance to your heating system and enjoy the peace of mind that comes with a reliable HVAC system.
Details:
With a 1/5 hp motor and 1075 rpm, this blower is capable of efficiently circulating hot air throughout the furnace, ensuring optimal performance temperature distribution. The Lennox brand is known for its reliable and durable hvac products, making this blower motor a trusted choice both residential commercial applications. The Lennox armstrong genteq oem furnace blower motor F42C52A45 is a high-quality replacement part for hvac systems, specifically designed use in furnaces.
specifications maxohvac:
- brand: Lennox
- mpn: 42521-001
- part type: Furnace Blower Motor
offer maxohvac:
- best offers: true
- started: december 7, 2025
- options: ship-to-home
- sold #: 14
- price: $233.19
- item condition: New
- in stock #: 1
- availability: in stock
general maxohvac:
- category: Business & Industrial > Hvac Refrigeration
seller maxohvac:
- rating: 100.0%
- city: farwell, minnesota
- # reviews: 756
shipping maxohvac:
- class: standard
- carrier: usps
- transit: 5-9 days
- service: usps ground advantage
- type: fixed
payments maxohvac:
- wallet: apple-pay
- other
- credit card: diners-club
returns maxohvac:
- policy: no returns
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