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Square aluminium solar roof vent with adjustable flashing and 9.84 ft power cord

VEVOR

VEVOR JBSF-320G Solar Attic Fan 42 W 2800 CFM 110V Adapter

SKU CH-CNB0-MXSXW

Solar-powered roof vent moves 2800 CFM at 42 W with adjustable 15°, 35° or 45° tilt and includes a 110 V adapter for continuous operation

  • TypeOther Appliances
  • Width24.41
  • 2800 CFM airflow rapidly clears hot attic air
  • 42 W solar panel runs the fan without grid power
  • 110 V smart adapter keeps it running after sunset
  • Adjustable 15° 35° 45° angles optimise sun capture
  • 60 dB low noise suits living spaces nearby

Solar-Powered Attic Ventilation

The VEVOR JBSF-320G moves 2800 CFM of air using a 42 W solar panel and a 110 V adapter for continuous operation. It suits homeowners, greenhouse growers and RV owners who need heat and moisture removal without wiring a dedicated circuit. The aluminium-alloy housing and IP-rated construction handle outdoor exposure from -10 °C to 45 °C.

Upgrade From Passive Vents

Replacing static roof vents or turbine ventilators with this fan adds forced airflow that works regardless of wind conditions. The jump is worth it when attic temperatures exceed outdoor ambient by a wide margin or when humidity threatens insulation and stored items. The 1500 r/min motor delivers consistent exchange even on overcast days when the adapter takes over.

Limits Of Solar-Only Operation

Without the included adapter the fan runs only while the panel receives sufficient irradiance, so night-time and heavy-cloud ventilation stops. The 9.84 ft cord restricts panel placement relative to the fan mounting point. Buyers who need guaranteed airflow around the clock must connect the 110 V supply; those wanting purely off-grid operation should note the dependency on daylight.

Highlights

  • 2800 CFM airflow rapidly clears hot attic air
  • 42 W solar panel runs the fan without grid power
  • 110 V smart adapter keeps it running after sunset
  • Adjustable 15° 35° 45° angles optimise sun capture
  • 60 dB low noise suits living spaces nearby

Specifications

TypeOther Appliances
Width24.41

Questions about this item

What roof opening size fits the 22.2-inch square base of the VEVOR JBSF-320G?

The fan base measures 22.2 inches by 22.2 inches, so the roof cut-out must match or slightly exceed those dimensions for the included flashing to seal properly.

How do I connect the 9.84-foot power cord to the 110V smart adapter during installation?

Plug the fan's cord into the adapter first, then connect the adapter to a standard 110V outlet; the step often missed is securing the adapter indoors where it stays dry.

When should I clean the aluminum alloy blades to maintain the 2800 CFM airflow?

Inspect the blades at least once per season and wipe away dust or debris; buildup reduces the 1500 r/min speed and the 2800 CFM output.

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