Daikin-McQuay 4023349 Fan

The Daikin-McQuay 4023349 Fan is a precision-engineered cross flow fan designed for high-efficiency air distribution in commercial and industrial HVACR systems. Utilizing a cylindrical, tangential airflow design, this blower wheel provides uniform air velocity across its entire length, making it a critical component for fan coil units, PTAC systems, and large-scale air handling equipment. Constructed from high-grade metal, the 4023349 OEM replacement ensures structural integrity under continuous operation, delivering consistent HVAC airflow while maintaining low decibel levels in noise-sensitive environments like offices, data centers, and industrial facilities.

As a veteran tech, you know that tangential fans like the 4023349 are optimized for low-profile applications where space is limited but high-volume air turnover is non-negotiable. This direct drive blower wheel is specifically balanced to minimize vibration, which prevents premature bearing failure and ensures the stability of the entire blower assembly. Whether you are performing a 4023349 HVAC repair or a preventative maintenance overhaul, this genuine Daikin-McQuay part provides the specific static pressure and RPM compatibility required to restore original system performance without the clearance issues often found with aftermarket alternatives.

• High-Volume Airflow: Engineered for efficient air circulation across large surface areas, ideal for warehouses and manufacturing plants.
• Quiet Operation: The cross-flow design reduces turbulence, ensuring steady air movement with minimal mechanical noise.
• OEM Compatibility: Exact replacement for Daikin 4023349 and previous part number DKIA4009442, ensuring perfect shaft alignment and fitment.
• Durable Metal Construction: Built to withstand harsh industrial environments and high-duty cycles without warping or losing balance.
• Efficiency Gains: Low-resistance blade profile reduces motor load, helping maintain system energy efficiency ratios.

What are the signs that a cross flow fan needs replacement?
Technicians should look for reduced airflow across the coil, unusual grinding or squealing noises (often indicating bearing or balance issues), or visible deformation of the metal blades which can cause significant vibration.

How do I ensure the 4023349 is compatible with my specific HVAC unit?
Confirm that the internal bore size and length match your existing impeller. This part is a direct replacement for McQuay and Daikin industrial ventilation units using the 4023349 specification.

Is this fan wheel difficult to balance?
No, these genuine OEM blower wheels are factory-balanced. When installing, ensure the shaft is clean and the set screws are torqued to spec to maintain this balance during operation.

This item is not eligible for free shipping.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.