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  3. FASCO 712112444

FASCO 712112444 Fan Motor Rpm U21B No. 115V 60 .6A 3100 1/65

712112444 Fasco U21b Fan Motor No. 115v 60 Hz Class B .6a 3100 Rpm 1/65 Hp

( Brand: Fasco ), ( Manufacturer Part Number: 712112444 ), ( Part Type: Fan U21b Hp Motor ), ( Voltage: 115 V )

Review FASCO Fan Motor No. 115v 60 Hz Class .6a 3100 Rpm 1/65 Hp

The **Fasco 712112444 U21B Fan Motor** is a high-performance, single-phase, alternating current (AC) electric motor engineered for demanding industrial, commercial, and HVAC applications where reliability, efficiency, and durability are paramount. Designed with precision engineering, this motor operates at a nominal voltage of **115V** and is optimized for **60Hz** frequency, delivering a consistent and powerful output of **6 amperes (6A)** under standard load conditions. With a robust **1/65 horsepower (HP)** rating, it provides a balanced blend of torque and speed, making it ideal for applications requiring moderate to heavy-duty performance without excessive energy consumption. The motor spins at a steady **3,100 revolutions per minute (RPM)**, ensuring smooth and efficient operation in ceiling fans, exhaust systems, air handlers, or other mechanical ventilation equipment where precise airflow control is essential.

Constructed with a focus on longevity and performance, the Fasco U21B features a **capacitor-start, permanent-split capacitor (PSC)** design, which eliminates the need for external starting components while maintaining high starting torque and energy efficiency. Its compact yet sturdy **115V frame** is built to withstand continuous operation, reducing maintenance downtime and extending the lifespan of the motor in harsh environments. The motor s sealed construction protects internal components from dust, moisture, and debris, making it suitable for both indoor and outdoor installations where exposure to varying conditions is a concern. Additionally, the U21B is engineered with a **direct-drive shaft**, ensuring minimal vibration and noise during operation, which translates to quieter performance in residential or office settings.

For applications requiring versatility, the Fasco 712112444 is compatible with a range of fan blades and ductwork systems, allowing for customization to meet specific airflow requirements. Whether integrated into a high-efficiency HVAC system, an industrial ventilation setup, or a commercial exhaust fan, this motor delivers consistent and dependable performance. Its **low-maintenance design** and **energy-efficient operation** make it a cost-effective solution for businesses and homeowners seeking a reliable motor that balances power with operational simplicity. With Fasco s reputation for quality and innovation, the U21B stands as a dependable workhorse for any application demanding a **6A, 115V, 3,100 RPM motor** with a **1/65 HP** output.

### **Pros and Cons of buying a Fasco 712112444 U21B Fan Motor (115V, 60Hz, 6A, 3100 RPM, 1/65 HP)**

#### **Pros:**

1. **High Performance and Efficiency** The motor operates at **3100 RPM**, which is suitable for applications requiring strong airflow, such as industrial ventilation, HVAC systems, or commercial exhaust fans. The **1/65 HP** rating ensures adequate power for moderate to heavy-duty use.

2. **Compatibility with Standard Voltage** The motor runs on **115V (single-phase)**, making it easy to integrate into existing electrical systems in North America and other regions with similar voltage standards.

3. **Durable Construction** Fasco is a well-known brand in industrial and commercial HVAC components, suggesting that this motor is built for **long-term reliability** in demanding environments.

4. **Standardized Specifications** The **6A current draw** and **60Hz frequency** align with typical industrial motor requirements, reducing compatibility issues in most setups.

5. **Easy Installation** Being a **universal fan motor**, it can be retrofitted into existing fan systems with minimal modifications, saving time and labor costs.

6. **Cost-Effective for Medium-Duty Use** While not the most powerful motor on the market, it strikes a balance between performance and affordability for applications like **small to medium-sized exhaust fans, attic vents, or light-duty industrial ventilation**.

7. **Available Replacement Parts** As a widely used model, replacement parts (brushes, bearings, etc.) are likely to be **readily available** from Fasco or third-party suppliers.

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#### **Cons:**

1. **Limited Power for Heavy-Duty Applications** At **1/65 HP**, this motor may struggle with **high-resistance airflow** (e.g., clogged filters, long ductwork, or extreme outdoor conditions). For **large-scale industrial exhaust or high-static-pressure systems**, a more powerful motor (e.g., 1/3 HP or higher) would be necessary.

2. **Potential for Higher Energy Consumption** While efficient for its class, a **6A draw at 115V** means it consumes ** 660W of power continuously** when running. In large-scale operations, this could contribute to **higher electricity costs** over time.

3. **Maintenance Requirements** Like all brushed motors, this unit will eventually require **brush replacements** (typically every **1,000 3,000 hours** of use). Brushless motors are more durable but cost more upfront.

4. **Noise and Vibration** At **3100 RPM**, the motor may generate **moderate noise and vibration**, which could be problematic in **sensitive environments** (e.g., offices, hospitals, or residential areas). Additional **vibration dampeners or soundproofing** may be needed.

5. **Limited Lifespan in Harsh Conditions** Exposure to **extreme temperatures, moisture, or corrosive environments** (e.g., coastal areas, chemical plants) could reduce its lifespan if not properly sealed or protected.

6. **Single-Phase Only** If upgrading to a **three-phase system** in the future, this motor would not be compatible without additional conversion equipment.

7. **Potential for Overloading** If the fan blades or ductwork become obstructed, the motor may **overheat or burn out** if the system lacks a **thermal protector or overload relay**.

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### **Conclusion:** The **Fasco 712112444 U21B fan motor** is a **solid, mid-range choice** for applications requiring **moderate airflow and ventilation**, such as:

- **Small to medium commercial exhaust fans**

- **Attic or crawl space ventilation**

- **Light-duty industrial exhaust systems**

- **Retrofitting existing fan setups**

It offers a **good balance of performance, reliability, and cost**, making it suitable for **budget-conscious buyers** who don t need extreme power. However, it is **not ideal** for:

- **High-static-pressure systems** (e.g., large ductwork, heavy filters)

- **Extreme environmental conditions** (without additional protection)

- **Applications requiring ultra-low noise or vibration**

If your use case involves **heavy-duty, continuous, or high-resistance airflow**, consider a **higher horsepower motor (e.g., 1/3 HP or 1/2 HP)**. If energy efficiency is a priority, a **brushless or variable-speed motor** might be a better long-term investment despite the higher upfront cost.

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### **Recommendation:** **Buy this motor if:**

You need a **reliable, mid-power fan motor** for standard ventilation tasks.

Your system operates in **moderate conditions** (not extreme heat, cold, or corrosive environments).

You are **retrofitting an existing fan** and need a **direct replacement**.

Budget is a **primary concern**, and you can accept **moderate noise and maintenance needs**.

**Avoid this motor if:**

Your application requires **high airflow resistance** (e.g., long ducts, clogged filters).

You need **ultra-low noise or vibration** (consider a **brushless or variable-speed motor**).

The environment is **extremely harsh** (high humidity, dust, chemicals).

You anticipate **future upgrades to three-phase systems**.

**Alternative Considerations:**

- For **higher performance**, look at **Fasco 712112445 (1/3 HP)** or **1/2 HP models**.

- For **energy efficiency**, explore **EC (electronically commutated) or variable-frequency drive (VFD) motors**.

- For **noise-sensitive applications**, consider **brushless or sound-dampened motors**.

If your needs align with **standard commercial ventilation**, this motor will serve you well with **proper installation and routine maintenance**.

Details:

It is used, runs strong. For your consideration is a Fasco U21B Fan Motor No. Has the fan blade and brackets. 6A 3100 RPM 1/65 HP.

712112444 115V 60 Hz Class B.

part #: 712112444 price

  • $40.00

specifications fablowehva:

  • brand: Fasco
  • mpn: 712112444
  • part type: Fan U21b Hp Motor
  • voltage: 115 V

general fablowehva:

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

offer fablowehva:

  • options: Ship-to-home
  • sold: 0
  • started: March 28, 2026
  • availability: In Stock
  • quantity: 1

returns fablowehva:

  • policy: No Returns

shipping fablowehva:

  • class: Standard
  • cost: $18.15
  • carrier: USPS
  • type: Calculated
  • service: USPS Ground Advantage
  • transit: 5-11 Days

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seller fablowehva:

  • rating: 99.7%
  • city: Pound, Virginia
  • # reviews: 1801
part type: fan u21b hp motor, voltage: 115 v,
category: business & industrial > hvac refrigeration > hvac refrigeration: parts accessories > hvac refrigeration: fans blowers, sku: 12959348967034752,
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1 offer $40.00 USD
  • Used. Offer #1 priced at $40.00 + $19.60 shipping estimate = $59.60* total. Has the fan blade and brackets. For your consideration is a Fasco Fan Motor No.+$19.60 shipping

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