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  3. FASCO 21A100

FASCO 21A100 Motor Draft Inducer Blower Fan 115V

21a100 Fasco Motor Draft Inducer Blower Fan 115v Type 21

( Brand: Fasco ), ( Manufacturer Part Number: 21A100 ), ( Part Type: Fan Motor Inducer Blower )

Review FASCO Motor Draft Inducer Blower Fan 115v Type

The **Fasco 21A100 Motor Draft Inducer Blower Fan (115V, 21")** is a high-performance, versatile industrial ventilation solution designed to efficiently move air and gases in a wide range of applications, from HVAC systems and exhaust ventilation to process drying and combustion air supply. Engineered with precision, this robust blower fan combines durability with reliable performance, making it an ideal choice for both commercial and light industrial environments. Powered by a **115V single-phase motor**, the unit delivers consistent airflow at a capacity of **21 inches in diameter**, ensuring optimal ventilation while maintaining energy efficiency. Its compact yet sturdy construction features a **cast aluminum housing** that resists corrosion and wear, while the **direct-drive motor assembly** eliminates the need for belts, reducing maintenance requirements and enhancing longevity. The fan s **axial flow design** allows for smooth, high-volume air movement, making it well-suited for applications requiring precise airflow control, such as furnace induction, attic ventilation, or exhaust systems in manufacturing facilities. Additionally, the unit is equipped with a **ball-bearing motor**, which minimizes friction and extends operational life while operating quietly compared to traditional blower fans. Whether installed in a residential HVAC setup, a small workshop, or a commercial kitchen exhaust system, the Fasco 21A100 provides a dependable, low-maintenance solution for maintaining proper air circulation and pressure differentials. Its **easy-to-install design**, with standard mounting flanges and a straightforward electrical connection, further simplifies integration into existing systems, ensuring quick setup and hassle-free operation. Built to withstand continuous use, this fan is an excellent investment for those seeking a balance of performance, efficiency, and durability in their ventilation needs.

### **Pros and Cons of buying a Fasco 21A100 Motor Draft Inducer Blower Fan (115V, 21")**

#### **Pros:**

1. **High Airflow Capacity** The 21-inch diameter makes it suitable for larger applications, such as forced air ventilation, combustion air supply, or exhaust systems in furnaces, boilers, or industrial equipment. It can move a significant volume of air, improving efficiency in heating or cooling systems.

2. **Durable Construction** Fasco is a well-known brand in industrial and HVAC equipment, often associated with reliability and long-term performance. The motor and fan assembly is likely built to withstand continuous operation in demanding environments.

3. **Versatile Applications** This blower can be used in various settings, including:

- Forced air ventilation in homes or small commercial spaces.

- Combustion air supply for gas furnaces or water heaters.

- Exhaust systems for appliances like dryers or range hoods.

- Industrial processes requiring controlled airflow.

4. **115V Power Supply** Operates on standard household voltage, making it easy to install without requiring specialized electrical work (though proper wiring and safety precautions should still be followed).

5. **Quiet Operation (Relative to Larger Fans)** While not silent, a well-designed 21-inch blower can operate more quietly than smaller, high-speed fans, reducing noise in residential or light commercial applications.

6. **Easy Installation** Comes with mounting hardware, and its size allows for straightforward integration into ductwork or ventilation systems.

7. **Energy Efficiency (Compared to Older Models)** Modern Fasco blowers are designed to be more efficient than older units, reducing energy consumption over time.

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#### **Cons:**

1. **High Initial Cost** As a larger, industrial-grade blower, it may be more expensive upfront compared to smaller, consumer-grade fans. The price could be a barrier for budget-conscious buyers.

2. **Space Requirements** The 21-inch diameter and motor size mean it occupies more space than smaller fans. Installation may require additional ductwork or clearance, which could complicate retrofitting into existing systems.

3. **Noise Levels** While generally quieter than smaller, high-speed fans, a 21-inch blower can still produce noticeable noise, especially in residential settings. This may be a concern if installed near living areas.

4. **Power Draw** Larger blowers consume more electricity, which could increase energy costs over time, particularly if used continuously.

5. **Maintenance Needs** Like any mechanical component, it may require periodic maintenance, such as lubrication of bearings or cleaning of the fan blades, to ensure optimal performance and longevity.

6. **Potential Overkill for Small Applications** If you only need airflow for minor ventilation (e.g., a small room or a single appliance), a smaller, less expensive fan might suffice. Buying a larger unit could mean paying for more capacity than needed.

7. **Specialized Knowledge for Installation** While not extremely complex, installing a blower in a duct system or for combustion air may require some familiarity with HVAC or mechanical systems. Improper installation could lead to inefficiency or safety hazards.

8. **Limited Availability of Parts** As a slightly older or niche model, replacement parts may be harder to find compared to more common consumer-grade fans.

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### **Conclusion**

The **Fasco 21A100 Draft Inducer Blower Fan** is a robust, high-performance unit ideal for applications requiring significant airflow, such as forced air ventilation, combustion air supply, or industrial exhaust systems. It offers durability, versatility, and efficiency but comes with higher upfront costs, space requirements, and potential noise considerations. Whether it s the right choice depends on your specific needs:

- **Buy it if:**

- You need strong, consistent airflow for a furnace, boiler, or large ventilation system.

- You re working in a commercial or industrial setting where reliability is critical.

- You re willing to invest in a long-term solution that may outlast cheaper alternatives.

- **Avoid it if:**

- You only need airflow for minor applications (e.g., a small room or appliance).

- Budget constraints make a smaller, less expensive fan a better fit.

- You re uncomfortable with installation complexity or potential noise levels.

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### **Recommendation**

For **residential use** (e.g., forced air ventilation or combustion air for a furnace), this blower is a solid choice if you need heavy-duty performance. However, if you re on a tight budget or only require moderate airflow, consider a smaller, more affordable fan (e.g., a 12-inch or 14-inch model) from brands like **Dayton, Honeywell, or Suncourt**.

For **commercial or industrial applications**, the 21A100 is well-suited due to its airflow capacity and durability. Ensure proper sizing and installation to maximize efficiency and safety.

**Final Verdict:** If your application demands its capabilities and you can justify the cost, the Fasco 21A100 is a reliable, long-lasting investment. Otherwise, evaluate whether a smaller unit would meet your needs more cost-effectively. Always consult a professional if unsure about installation or compatibility.

Details:

part #: 21a100 price

  • $50.00

specifications fablowehva:

  • brand: Fasco
  • mpn: 21a100
  • part type: Fan Motor Inducer Blower

general fablowehva:

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

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offer fablowehva:

  • started: February 22, 2026
  • quantity: 1
  • availability: In Stock
  • options: Ship-to-home
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  • rating: 100.0%
  • city: USA
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part type: fan motor inducer blower,
category: business & industrial > hvac refrigeration > hvac refrigeration: parts accessories > hvac refrigeration: fans blowers, sku: 12703246929373752,
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