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Field Controls 46120002 8" Air Booster 425 CFM AB-8

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Special Price $79.87 Regular Price $91.86
In stock
SKU
46120002
The Field Controls 46120002 Air Booster AB-8 is an in-line fan that is driven by a motor, which is used to enhance airflow within HVAC systems where the movement of air is hindered by the presence of a static pressure. It has a motorized in increasing air volume to around 425 cubic feet per minute, and sustains design airflow by use of registers and grilles. It is installed in 8-inch round ducts in residential or light commercial systems and is used with furnaces, air handlers, and ventilation ducts to facilitate balanced distribution.
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Specifications

  • Type: Air Booster Duct
  • Mount Type: In-Line
  • CFM: 425
  • Duct Size: 8 inches
  • Voltage: 120 VAC
Manufacturer Name: Field Controls
Product Number: 46120002
OEM Part Number: 46120002
Product Description: 8" Air Booster 425Cfm Ab-8
Weight:3.36lbs/1524.07g

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Product Questions (2)
Customer Questions
What maintenance is required for the Field Controls 46120002 Air Booster?

Clean dust buildup from the fan and housing regularly to ensure efficient airflow. Inspect and tighten electrical connections and mounting hardware to prevent vibration issues. Ensure air paths remain unobstructed for consistent performance and safety.

What are common issues with the Field Controls 46120002 Air Booster?

  • Motor noise or vibration.
  • Reduced airflow.
  • Electrical connection faults.
  • Fan imbalance or wear.
  • Overheating or intermittent operation.
  • Airflow blockage symptoms due to dust buildup.

Installation Steps

Step 1: Turn off HVAC power and verify system is fully de-energized before work.

Step 2: Select a round duct location near the problem branch run, avoiding main trunk lines.

Step 3: Cut duct and insert securely, ensuring airflow direction matches system flow.

Step 4: Wire booster in parallel with blower or to approved switch/control.

Step 5: Restore power and test activation with HVAC systems running.

Step 6: Confirm proper airflow increase, secure mounting, and check for vibration or noise.