LENNOX 6843031 Condenser Fan Blade 36843030310 1903037

( Brand: Lennox ), ( Manufacturer Part Number: 6843031 ), ( Model: 36843030310 ), ( Type: Condenser Fan ), ( Color: Silver ), ( Material: Aluminum )

Review LENNOX Condenser Fan Blade Aluminum Silver Model

The **Lennox 6843031 Condenser Fan Blade (part number 36843030310, compatible with model 1903037)** is a precision-engineered component designed to ensure optimal performance and longevity for Lennox s high-efficiency HVAC systems. Crafted from durable, high-grade materials, this fan blade is specifically tailored to fit the **Lennox 1903037 series** condensers, where it plays a critical role in maintaining efficient airflow and heat rejection. The blade s aerodynamic design minimizes turbulence and maximizes airflow efficiency, reducing energy consumption while enhancing system reliability. Constructed with a robust, corrosion-resistant finish, it is built to withstand the harsh environmental conditions often encountered in outdoor condenser applications, including exposure to moisture, temperature fluctuations, and UV radiation. This fan blade operates seamlessly within the condenser s sealed housing, where it facilitates the expulsion of heat-laden air, aiding in the refrigerant s phase change from gas to liquid a fundamental process in the cooling cycle. Its balanced construction ensures smooth, vibration-free operation, reducing wear on the motor and other internal components, thereby extending the lifespan of the entire HVAC system. Whether installed in residential or light commercial settings, this condenser fan blade is a vital part of Lennox s commitment to energy efficiency and dependable performance, ensuring that homeowners and building managers can rely on consistent cooling without compromising on system durability.

### **Pros and Cons of buying a Lennox 6843031 Condenser Fan Blade (Part Numbers: 36843030310, 1903037)**

1. **Direct Fit for Lennox Systems** This part is specifically designed for Lennox air conditioning and heat pump models, ensuring compatibility without modification. It is part of the **6843 series**, which includes popular units like the **LS9800, LS9500, and LS9000 series**, among others.

2. **High-Quality Construction** Lennox is a well-known brand in HVAC, and their condenser fan blades are built to withstand harsh outdoor conditions, including wind, rain, and temperature fluctuations. The materials used are typically durable and resistant to corrosion.

3. **Efficient Performance** A properly functioning condenser fan blade ensures optimal airflow, which improves cooling efficiency and system longevity. Clogged or damaged blades can reduce performance, so replacing them with an OEM part helps maintain peak operation.

4. **Warranty Coverage** If your system is still under warranty, purchasing an OEM part like this one may be necessary to avoid voiding coverage. Lennox warranties often require original equipment manufacturer (OEM) parts for repairs.

5. **Easy Installation** Since it is a direct replacement, installation is straightforward, often requiring only basic tools. Most homeowners or HVAC technicians can replace it without professional assistance.

6. **Reliability** Lennox components are engineered to last, reducing the likelihood of frequent replacements. This can save money in the long run compared to aftermarket parts that may wear out faster.

7. **Compatibility with Accessories** The fan blade works seamlessly with other Lennox condenser components, such as motors and cooling coils, ensuring no performance gaps.

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1. **Higher Cost Compared to Aftermarket Parts** OEM parts from Lennox are typically more expensive than generic or third-party alternatives. The price can range from **$50 to $150**, depending on availability and retailer markup.

2. **Limited Availability** Lennox parts may not be as widely stocked as more common brands, which could lead to longer wait times for delivery, especially if ordering online. Local HVAC supply stores may carry them, but availability varies by region.

3. **Potential for Overkill** If your system is older and nearing the end of its lifespan, replacing just the fan blade may not be the most cost-effective solution. A full system replacement might eventually be necessary, making this a temporary fix.

4. **Installation Risks** While straightforward, improper installation (e.g., misalignment, loose bolts) can cause vibration, noise, or even damage to the motor. If unsure, hiring a technician ensures proper fitting.

5. **Environmental Exposure** Outdoor condenser units are exposed to elements like debris, ice, and UV rays, which can still degrade the blade over time. Even OEM parts may require periodic cleaning or inspection.

6. **No Significant Upgrade** This is a replacement part, not an upgrade. It will not improve efficiency beyond what your system was originally designed for. If your system is outdated, upgrading to a newer Lennox model might offer better energy savings.

7. **Counterfeit Risks (Online Purchases)** When buying online, there is a risk of receiving counterfeit or refurbished parts that may not meet Lennox s quality standards. Always purchase from authorized dealers or reputable suppliers.

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### **Conclusion**

The **Lennox 6843031 condenser fan blade (part numbers 36843030310, 1903037)** is a reliable, high-quality replacement part for Lennox HVAC systems. It ensures compatibility, efficiency, and longevity, making it the best choice if you want to maintain your system s performance and warranty coverage. However, the higher cost and potential availability issues may be drawbacks, especially for those on a tight budget or in remote areas.

If your system is otherwise functioning well and the blade is the only failing component, this part is a **strong recommendation**. If your system is old or inefficient, consider evaluating whether a full replacement or upgrade would be more beneficial in the long run.

### **Recommendation**

- **Buy from an authorized Lennox dealer or a trusted HVAC supply store** to ensure authenticity and warranty compliance.

- **Compare prices** from multiple sources (e.g., HVAC supply companies, Amazon, or local dealers) to get the best deal.

- **Inspect the blade and motor** before installation to check for other potential issues (e.g., rust, wear, or electrical problems).

- **Follow installation instructions carefully** to avoid damaging the motor or causing noise/vibration issues.

- **Consider professional installation** if you are uncomfortable with DIY repairs, especially if the motor or other components need attention.

For most homeowners with a functional Lennox system, this is the **best choice** for a reliable and long-lasting replacement. If cost is a major concern, weigh the pros and cons of aftermarket alternatives, but be aware of potential compatibility and durability trade-offs.

Details:

Condenser Fan Blade Aluminum Silver model MPN 6843031 1903037.

part #: 6843031 prices

• $42.95-$79.95

specifications fablowehva:

• brand: Lennox
• mpn: 6843031
• model: 36843030310
• type: Condenser Fan
• color: Silver
• material: Aluminum

seller fablowehva:

• # reviews: 1
• city: Phoenix, Arizona
• rating: 100.0%

payments fablowehva:

• wallet: Paypal
• other
• credit card: Diners-club

general fablowehva:

• condition: Used
• HVAC Refrigeration > HVAC Refrigeration: Parts Accessories > HVAC Refrigeration: Fans Blowers

returns fablowehva:

• policy: No Returns

shipping fablowehva:

• type: Calculated
• service: USPS Ground Advantage
• class: Standard
• cost: $11.23
• transit: 5-12 Days
• carrier: USPS

offer fablowehva:

• started: February 5, 2026
• options: Ship-to-home
• best offers: True
• sold: 0
• availability: In Stock
• quantity: 1

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