What are the airflow and speed specifications for the D2E133-AM47-94 Blower?

To achieve these results, you must confirm your power supply provides 230V and that your ductwork provides enough clearance for the unit to maintain this airflow.

For a deep dive into the technical specifications, see our full review of the D2E133-AM47-94 Blower.

D2E133-AM47-94 Blower provides 353 CFM for residential ventilation projects

The D2E133-AM47-94 Blower delivers 353 CFM (cubic feet per minute), which is the volume of air the unit moves through a system every minute. For a basement radon exhaust project, where you need between 100 and 300 CFM, this blower provides more than enough capacity. We selected this unit for our comparison because it offers a balanced output for residential-scale ventilation. Because airflow drops as resistance increases, you should verify the maximum static pressure—the resistance the fan overcomes—to ensure the motor does not burn out under your specific duct configuration. This blower operates on a 230V power supply, so you must ensure your local grid is compatible to avoid destroying the motor. The listing does not state the specific noise levels or the exact mounting orientation required for heat dissipation.

You can find a side-by-side analysis in the D2E133-AM47-94 Blower comparison section.

What to Check Before Buying the D2E133-AM47-94 Blower

• Verify your electrical system provides a 230V power supply to match the motor requirements.
• Measure your available mounting space to ensure there is adequate clearance for the blower body.
• Confirm your intended ductwork does not exceed the blower’s pressure limits, which could restrict the 353 CFM output.
• Check your local building codes to see if a qualified installer is required for the wiring and mounting.

Comparing the D2E133-AM47-94 Blower to Other Options

The D2E133-AM47-94 Blower is suited for specific applications like crawlspace ventilation or radon mitigation where 353 CFM is sufficient. If you require a high-pressure solution for a laboratory fume hood, which typically demands 400 to 800 CFM, you should look at industrial-scale centrifugal blowers that offer higher pressure ratings. Buyers requiring high-precision flow control might also consider variable frequency drive (VFD) integrated systems instead of this fixed-speed model.

To see a final summary of our findings, view the D2E133-AM47-94 Blower quick verdict.

If you need to move air in a tight crawlspace or exhaust radon from a basement, the D2E133-AM47-94 Blower is a suitable choice. However, if your project requires higher pressure for long duct runs or higher volume for large-scale industrial ventilation, you should consider a higher-capacity unit.

Many homeowners ask if the D2E133-AM47-94 provides sufficient whole-home airflow for their specific needs.

Reviewed by the Refrigerant Recovery Pro editorial team. Refrigerant Recovery Pro writes these guides from the 200 most-reviewed centrifugal blower listings in our retail dataset, not from manufacturer copy.