CENTURY MOTORS 326P139 Smith Fan Motor 1/30HP 115V 1050RPM

( Brand: Century Motors ), ( Manufacturer Part Number: 326P139 ), ( Part Type: Fan Motor ), ( Rated Load: Hp ), ( Modelsfits: All Heating, Cooling And Hvac Parts Are Model Specific. We Can He ), ( Nominal Rated Input Voltage: 115 V ), ( California Prop 65 Warning: Warning )

Review CENTURY MOTORS Ao Smith 1/30hp 115v 1050rpm Fan Motor

The **Century 326P139 AO Smith 1/30 Horsepower, 115V, 1050 RPM Fan Motor** is a robust and high-performance electric motor designed for demanding applications where reliability, efficiency, and durability are paramount. Engineered with precision, this motor delivers consistent and powerful performance, making it an ideal choice for commercial HVAC systems, industrial ventilation, or any application requiring precise airflow control. With a fractional horsepower rating of **1/30 HP**, it strikes an excellent balance between compact size and substantial torque, ensuring smooth operation even under moderate to heavy loads. Operating at a nominal **115V single-phase voltage**, it integrates seamlessly into standard electrical setups without requiring specialized wiring or additional components, simplifying installation and reducing downtime.

The motor s **1050 RPM speed** provides an optimal balance between airflow efficiency and energy consumption, allowing for effective ventilation or cooling in spaces ranging from small commercial kitchens to larger industrial environments. Built with **AO Smith s reputation for quality engineering**, this motor features a robust construction that includes high-grade materials resistant to corrosion, wear, and thermal stress, ensuring longevity even in harsh operating conditions. Its **permanent split capacitor (PSC) design** guarantees stable performance across varying loads, while the sealed bearing system minimizes friction and extends the motor s operational lifespan, reducing maintenance requirements and operational costs over time.

Ideal for applications such as **exhaust fans, supply fans, or air handling units**, this motor is engineered to operate efficiently with minimal noise and vibration, contributing to a quieter, more comfortable working environment. Its compact yet sturdy frame allows for easy integration into existing systems, whether retrofitting older installations or incorporating it into new builds. Additionally, the motor s **energy-efficient design** helps reduce overall power consumption, aligning with modern sustainability goals while maintaining peak performance. Whether used in residential upgrades, commercial ventilation, or industrial processes, the **Century 326P139 AO Smith motor** delivers dependable, high-quality performance, making it a trusted choice for professionals seeking a reliable and efficient solution for their airflow needs.

### **Pros and Cons of buying a Century 326P139 AO Smith 1/30 HP, 115V, 1050 RPM Fan Motor**

1. **Reliable Brand** AO Smith is a well-established manufacturer in the HVAC and water heater industry, known for durable and high-quality products. The Century series is particularly recognized for its performance in residential and light commercial applications.

2. **Proper Specifications for Fan Applications** The motor is rated at **1/30 horsepower**, which is suitable for moderate to heavy-duty fan applications, such as:

- **Central forced-air systems**

- **Exhaust fans** (e.g., kitchen, bathroom, or attic ventilation)

- **Industrial or commercial HVAC systems** where consistent airflow is required

- **Blowers in water heaters or furnaces** (though this motor is not specifically designed for water heaters, it can be used in compatible systems)

3. **115V Single-Phase Operation** This makes it easy to install in standard residential or small commercial setups where 115V power is readily available. No need for three-phase wiring or specialized electrical work.

4. **1050 RPM Speed** This speed is ideal for many fan applications, providing a balance between airflow and noise levels. It is neither too slow (which could lead to insufficient airflow) nor too fast (which could cause excessive noise or wear).

5. **Compact and Efficient Design** The motor is likely designed to be space-efficient, making it suitable for installations where space is limited. The **1/30 HP** rating suggests it is optimized for energy efficiency compared to larger motors.

6. **Compatibility with Existing Systems** If you already have an HVAC or ventilation system, this motor may be a direct replacement for a failing or outdated fan motor, reducing the need for major system modifications.

7. **Long Lifespan with Proper Maintenance** AO Smith motors are generally built to last for many years, especially if they are well-maintained (e.g., regular lubrication, cleaning, and inspection).

8. **Widely Available Parts and Support** Since AO Smith is a major brand, replacement parts and technical support are likely accessible through authorized dealers or online retailers.

---

1. **Potential Overkill for Light-Duty Use** If you are using this motor for a **very light-duty application** (e.g., a small attic fan or a low-resistance duct system), the **1/30 HP** rating may be more power than needed. This could lead to:

- **Higher energy consumption** than necessary.

- **Excessive noise** if the motor is running at reduced load.

- **Shorter lifespan** due to unnecessary wear from constant operation at higher capacity.

2. **Noise Considerations** While 1050 RPM is reasonable, some fan motors at this speed can produce noticeable humming or whirring sounds, especially if the motor or fan blades are unbalanced or poorly installed. This may be an issue in quiet environments like bedrooms or offices.

3. **Single-Phase Limitations** If you need **higher horsepower or torque**, a single-phase motor like this may not be sufficient, and you would require a three-phase motor. However, for most residential or small commercial fans, this is not a limitation.

4. **Voltage Sensitivity** The motor is rated for **115V**, which is standard in North America. If you are in a region with **230V or 240V standard supply**, you may need a **voltage converter or step-down transformer**, adding to the cost and complexity of installation.

- **Mismatched fan blade size or pitch**, leading to inefficient airflow or excessive strain.

- **Improper mounting**, which could cause vibration, noise, or premature failure.

- **Incompatibility with certain ductwork or system designs**, particularly if the motor was not originally intended for that application.

6. **Cost Relative to Alternatives** Depending on the market, this motor may be **more expensive** than generic or aftermarket fan motors of similar specifications. However, the brand reputation often justifies the price for long-term reliability.

7. **Limited Customization** Unlike some industrial motors, this is a **standard off-the-shelf motor**. If you need **specific speed control, variable frequency drive (VFD) compatibility, or custom mounting**, you may need additional components or modifications.

8. **Potential for Overheating in Poorly Ventilated Enclosures** If the motor is installed in a **confined space without proper airflow**, it could overheat, especially under heavy load. Ensure the installation environment meets the manufacturer s ventilation requirements.

---

The **Century 326P139 AO Smith 1/30 HP, 115V, 1050 RPM fan motor** is a **strong, reliable choice** for **moderate to heavy-duty fan applications** where durability and performance are priorities. It is particularly well-suited for:

- **Residential HVAC systems**

- **Commercial ventilation fans**

- **Exhaust or supply air applications**

- **Replacement motors in existing systems**

- You need a **light-duty motor** for minimal airflow resistance.

- You require **custom speed control or VFD compatibility**.

- Your electrical system does not support **115V single-phase** (though this is rare in standard setups).

- You are working with **very tight space constraints** that could lead to overheating.

---

You need a **durable, high-quality fan motor** for a **moderate to heavy-duty application**.

Your system requires **115V single-phase power**.

You are replacing an existing motor and need a **direct drop-in replacement**.

You prioritize **brand reliability and long-term performance** over the lowest possible cost.

You need a **light-duty motor** (consider a **1/30 HP or lower** alternative).

Your application involves **highly variable loads** (e.g., intermittent heavy use), which could shorten its lifespan.

You require **custom speed control or VFD compatibility** (a **VFD-rated motor** would be better).

You are unsure about **proper installation**, as incorrect mounting can lead to noise or failure.

- If you need **lower noise**, look for motors with **bearing isolation** or **balanced fan blades**.

- If you require **higher efficiency**, consider **EC (electronically commutated) motors**, though they may be more expensive.

- For **very light-duty use**, a **1/20 HP or 1/25 HP motor** may suffice and save on energy costs.

For most **standard fan applications** where reliability and performance matter, the **AO Smith Century 326P139 motor is a solid purchase**. Ensure proper installation and maintenance to maximize its lifespan. If your needs are more specialized, research alternatives to match your exact requirements.

Details:

Shipped with USPS Priority Mail Flat Rate Envelope. Century AO Smith 326P139 1/30hp 115v 1050rpm Fan Motor. Condition is Used.

part #: 326p139 price

• $197.00

specifications oelemot:

• brand: Century Motors
• mpn: 326p139
• part type: Fan Motor
• rated load: Hp
• modelsfits: All Heating, Cooling And Hvac Parts Are Model Specific. We Can He
• nominal rated input voltage: 115 V
• california prop 65 warning: Warning

shipping oelemot:

• service: USPS Priority Mail Flat Rate Envelope
• transit: 3-6 Days
• type: Fixed
• class: Expedited
• carrier: USPS
• cost: $7.95

seller oelemot:

• rating: 99.6%
• # reviews: 4695
• city: Saint Louis, Missouri

offer oelemot:

• options: Ship-to-home
• started: February 8, 2026
• quantity: 1
• availability: In Stock
• sold: 0

general oelemot:

• condition: Used
• Industrial Automation Motion Controls > Electric Motors > General Purpose Motors

returns oelemot:

• policy: No Returns

payments oelemot:

• wallet: Google-pay
• credit card: Diners-club
• other

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