Product Description
VTX400 Inline Centrifugal Fan by Atmosphere delivers efficient, high-pressure airflow for residential and light commercial ventilation systems. Designed for 4" ducting, the VTX400 produces up to 220 CFM at 0.2" static pressure and is ideal for exhausting bathrooms, grow rooms, laundry spaces, or inline booster applications. Its quiet, maintenance-free operation and aerodynamic housing make it a reliable solution for continuous-duty performance.
Brand: Atmosphere
Model: VTX400
Type: 4" Inline Centrifugal Duct Fan
Max Airflow: 220 CFM @ 0.2” SP
Voltage: 120V / 60Hz
Power Cord: Pre-wired 120V plug
Free shipping on orders over $250
Product Benefits
- Delivers consistent airflow for long or complex duct systems
- Low-profile design with quiet, vibration-free performance
- Maintenance-free, sealed bearings rated for long life
- Ideal for bathrooms, hydroponics, or point-of-use exhaust
Key Features
- 220 CFM Performance: Powerful airflow at 0.2" static pressure
- Sealed Bearings: Permanently lubricated, no servicing required
- Speed Controllable: Compatible with 120V fan speed controllers
- Thermal Overload Protection: Built-in reset for motor safety
- Mounting Brackets Included: Supports wall or ceiling installations
- 10-Year Warranty: Backed by Atmosphere for long-term reliability
Specifications
Technical Specs
| Airflow | Up to 220 CFM @ 0.2" SP |
| Voltage | 120V / 60Hz |
| Power Consumption | 68 Watts |
| Amperage | 0.57 A |
| Motor Type | External rotor motor |
Physical Specs
| Duct Size | 4” |
| Diameter (B) | 8.5” |
| Length (C) | 9.5” |
| Shipping Weight | 8.6 lbs |
| Material Gauge | 18 gauge steel |
Application Examples
- Bathroom exhaust in multi-story homes
- Inline boosting for long duct runs
- Grow rooms and hydroponic air management
- Garage and utility room ventilation
Installation Tips
- Install with included wall/ceiling brackets—horizontal or vertical orientation
- Ensure fan is securely mounted and ducted to outdoor termination
- Do not expose to water or install in damp/wet locations
- Use speed control switch (not included) for variable operation
- Clean impeller every 12 months for optimal airflow:contentReference[oaicite:0]{index=0}
Frequently Asked Questions
What is the airflow output of the VTX400?
At 0.2” static pressure, the VTX400 delivers approximately 220 CFM of airflow:contentReference[oaicite:1]{index=1}.
Can this fan be speed-controlled?
Yes, the VTX400 is 100% speed controllable using a compatible 120V controller:contentReference[oaicite:2]{index=2}.
Is the VTX400 pre-wired?
Yes, it comes with a factory-installed 120V power cord for plug-and-play installation:contentReference[oaicite:3]{index=3}.
What kind of motor does it use?
It features an external rotor motor with sealed bearings and thermal reset protection:contentReference[oaicite:4]{index=4}.
How should I mount this fan?
The fan can be mounted to a wall or ceiling using the included brackets in vertical or horizontal orientation:contentReference[oaicite:5]{index=5}.
Does it require maintenance?
Minimal—check annually for dust buildup on the impeller and wipe with a damp cloth. Bearings are sealed for life:contentReference[oaicite:6]{index=6}.
Is this fan ETL listed?
Yes, the VTX400 is ETL listed for electrical safety compliance:contentReference[oaicite:7]{index=7}.
