
21221 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $245.99 | Condition is New, NBK-21221 DRAFT INDUCER 208-230, 50/60HZ, 2 SPEED, FREE SHIPPING | 99.8% |

The NBK 21221 Draft Inducer Motor is an essential component designed specifically for use with FASCO A270 models, including part numbers 70625781 and 70625033. This motor is also compatible with Dayton model 45KD36.
This inducer motor is engineered to improve the performance of your FASCO or Dayton heating system. Its primary function is to create a low-pressure zone behind the impeller to ensure proper draft and efficient combustion. The motor's unique design ensures quiet operation, making it an excellent choice for residential and light commercial applications.
The NBK 21221 Draft Inducer Motor features a robust and reliable design. It is built with a heavy-duty, cast-iron housing that protects the motor from wear and tear. The motor's winding is enclosed in a moisture-resistant epoxy coating, providing additional protection against corrosion.
The motor operates on a single-phase, 120-volt power supply and features a total power input of 0.12 horsepower. It operates at a voltage range of 100V to 127V and a frequency of 50-60Hz. The motor's dimensions are 8.25 inches long, 5.75 inches wide, and 5 inches high, making it a compact yet effective solution for your heating system needs.
The NBK 21221 Draft Inducer Motor is easy to install, with a simple wiring diagram provided in the packaging. It comes with a 1-year warranty, ensuring peace of mind for homeowners and contractors alike.
In summary, the NBK 21221 Draft Inducer Motor is a high-performance, reliable, and quiet solution for improving the efficiency and performance of your FASCO or Dayton heating system. Its robust design, easy installation, and 1-year warranty make it an excellent choice for residential and light commercial applications.
Pros and Cons of Buying an NBK 21221 Draft Inducer Motor for Fasco A270 70625781 70625033 Dayton 45kD36
I. IntroductionAn inducer motor is a vital component in various industrial applications, including fans and centrifugal pumps. When it comes to purchasing an inducer motor, one option is the NBK 21221 draft inducer motor designed for Fasco A270 70625781 70625033 Dayton 45kD36. In this analysis, we will discuss the pros and cons of buying this specific motor.
II. Pros1. Compatibility: This motor is specifically designed for the Fasco A270 70625781 70625033 Dayton 45kD36 system, ensuring a perfect fit and seamless integration.
2. Energy Efficiency: The NBK 21221 motor is designed to operate efficiently, reducing energy consumption and saving costs in the long run.
3. Durability: The motor's construction is robust and built to withstand the demands of industrial applications, providing a long service life.
4. Reliability: This motor's reputation for reliability makes it an excellent choice for businesses that cannot afford downtime.
III. Cons1. Price: The NBK 21221 draft inducer motor may be more expensive compared to some aftermarket alternatives, which could be a significant consideration for budget-conscious buyers.
2. Availability: Depending on the location and supplier, it might be more challenging to find this specific motor model compared to more common options.
3. Complex Installation: The installation process for this motor might require additional expertise or resources due to its specific design for the Fasco A270 70625781 70625033 Dayton 45kD36 system.
IV. ConclusionIn conclusion, the NBK 21221 draft inducer motor for Fasco A270 70625781 70625033 Dayton 45kD36 presents several advantages, such as compatibility, energy efficiency, durability, and reliability. However, it also comes with some disadvantages, including a higher price point, potential availability issues, and a more complex installation process.
V. RecommendationIf the advantages outweigh the disadvantages for your specific application and budget, then the NBK 21221 draft inducer motor is a worthwhile investment. However, if cost is a significant concern, it may be advisable to explore alternative options while ensuring compatibility with your system. Always consult with a qualified professional for advice on the best motor for your specific application.
Details:
Rpm: 50hz: 2685/2360, 60hz: 3350/2800. 21221 draft inducer motor for fasco A270 70625781 70625033 dayton 45KD36: blower assembly part number 21221: specifications:: volts : 208/230. Cycles: 50/60hz.
Manufacturer Nbk motors. Thermally protected. Amps: 50hz: 0.49/0.34, 60hz: 0.59/0.44.
specifications centrafurn:
- brand: Nbk Motors
- mpn: 21221
- type: Draft Inducer Motor
- upc: 810069185620
- product type: Replacement Household Furnace Motors
offer centrafurn:
- options: ship-to-home
- in stock #: 1
- availability: in stock
- sold #: 8
- started: january 29, 2026
- price: $245.99
- item condition: New
shipping centrafurn:
- carrier: usps, fedex
- class: standard, expedited, one-day
- type: calculated
- transit: 2-5 days
- service: usps ground advantage, usps priority mail, fedex ground / fedex home delivery, fedex standard overnight
general centrafurn:
- category: Home & Garden > Heating, Air > Cooling Systems > Central Furnaces
returns centrafurn:
- method: money back
- paid by: seller
- policy: returns accepted
- time: 30 days
payments centrafurn:
- other
- credit card: discover
- wallet: paypal
seller centrafurn:
- # reviews: 831422
- rating: 99.7%
- city: lancaster, pennsylvania
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