Description
Product Overview
The Dayton 4Wt49 axial fan is engineered for high‑performance air movement in demanding industrial and scientific environments. With a rated airflow of 55 cubic feet per minute (CFM) and a modest power consumption of 11 watts at 115 volts, this fan delivers efficient ventilation while keeping operating costs low. Its compact square housing measures 4.69 inches on each side and weighs just one pound, allowing it to be installed in confined spaces where larger fans cannot fit.
Constructed from durable, corrosion‑resistant materials, the fan housing and impeller are designed to withstand harsh temperature fluctuations and exposure to moisture. The vertical mounting configuration simplifies integration into existing HVAC panels, equipment racks, and custom enclosures. The fan’s low noise profile, typically under 30 decibels, ensures quiet operation in noise‑sensitive areas such as laboratories, clean rooms, and office environments.
Key specifications include a National Stock Number (NSN) of 4140-00-372-2294, a product dimension of 4.69 x 1 x 4.69 inches, and a best‑seller rank of #17 in the HVAC Fans & Circulators category on major e‑commerce platforms. Customer reviews consistently rate the fan at 4.6 out of 5 stars, highlighting its reliability and ease of installation.
Designed for versatility, the Dayton 4Wt49 can be used in a variety of applications ranging from cooling electronic enclosures and power supplies to providing fresh air circulation in small ventilation systems. Its simple two‑wire connection reduces wiring complexity, and the fan operates effectively across a wide range of ambient temperatures, from -20°C to +50°C.
Overall, the Dayton 4Wt49 axial fan combines compact size, low power draw, and robust construction to meet the rigorous demands of industrial, scientific, and commercial ventilation projects.
![[Product front view showing all components]](https://www.findpulse.store/wp-content/uploads/2026/08/2ef817bae55c4be79da595826536c7a0.jpg)
Usage
In industrial settings, the fan excels at maintaining temperature stability within control cabinets, motor housings, and transformer enclosures. Its 55 CFM airflow capacity is sufficient to dissipate heat generated by high‑performance equipment, preventing overheating and extending component lifespan. The fan’s square form factor aligns perfectly with standard panel cutouts, making retrofitting a straightforward process for maintenance teams.
For HVAC applications, the Dayton 4Wt49 provides supplemental airflow in ductwork sections where space constraints limit the use of larger centrifugal fans. It can be mounted vertically on supply or return air ducts to boost circulation without requiring extensive duct modifications. The low noise output ensures that the fan can be placed in occupied spaces such as office buildings, schools, and healthcare facilities without causing acoustic disturbances.
In scientific laboratories, the fan’s clean‑air design helps maintain ISO‑class environments by moving filtered air through workstations and fume hoods. Its low power consumption aligns with sustainability goals, and the fan’s reliable performance reduces the need for frequent maintenance checks.
Outdoor installations, such as small weather stations or remote monitoring equipment, benefit from the fan’s weather‑resistant construction. The fan can operate continuously in harsh climates, providing essential cooling for battery packs and electronic modules.
Overall, the fan is suited for any scenario that demands compact, efficient, and quiet air movement, making it a go‑to choice for engineers, facility managers, and system integrators.
Why Choose Us
Choosing the Dayton 4Wt49 means selecting a product backed by decades of engineering expertise and a reputation for durability. Dayton’s manufacturing processes adhere to strict quality control standards, ensuring each fan meets exact performance criteria before leaving the factory. The fan’s components are sourced from vetted suppliers, guaranteeing consistency across every unit.
Our commitment to customer satisfaction extends beyond the point of sale. We provide comprehensive technical documentation, including installation guides, wiring diagrams, and performance curves, to help users achieve optimal results. In addition, our dedicated support team is available to answer technical questions, troubleshoot issues, and provide replacement parts when necessary.
By offering a fan that balances performance, efficiency, and ease of integration, we empower businesses to reduce energy costs, improve equipment reliability, and meet regulatory compliance for ventilation standards. Our after‑sales service includes a one‑year limited warranty, reflecting confidence in the product’s longevity.
Key Features
- Compact square design fits tight spaces, eliminating the need for custom fan housings.
- Low power consumption of 11 W reduces electricity costs while delivering 55 CFM airflow.
- Quiet operation under 30 dB ensures suitability for noise‑sensitive environments.
- Durable, corrosion‑resistant construction provides reliable performance in harsh conditions.
- Responsive customer support and one‑year warranty give peace of mind after purchase.
FAQ
What is the recommended mounting orientation for the Dayton 4Wt49 fan?
The fan is designed for vertical mounting, which aligns the airflow direction with the fan’s impeller axis. This orientation maximizes airflow efficiency and simplifies installation in standard panel cutouts.
Can the fan operate continuously in high‑temperature environments?
Yes, the Dayton 4Wt49 is rated for ambient temperatures up to +50 °C. Its internal components are selected to maintain performance and reliability even under prolonged high‑heat conditions.
Is the fan compatible with standard 115 V AC power supplies?
Absolutely. The fan operates on 115 V AC and draws only 11 W, making it compatible with most commercial and industrial power distribution systems without requiring additional transformers or converters.
How does the fan handle dust and particulate buildup?
The fan’s impeller and housing are engineered with smooth surfaces that reduce dust adhesion. For environments with high particulate levels, periodic cleaning with compressed air is recommended to maintain optimal airflow.
What warranty coverage does Dayton provide for this fan?
Dayton offers a one‑year limited warranty covering defects in materials and workmanship. Should any issue arise within the warranty period, contact our support team for a replacement or repair.





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