Introduction
The Fan-Tastic Vent 3350 Series RV Roof Vent is designed to enhance air circulation and comfort in your recreational vehicle. This model features three fan blade speeds, a power dome lift, a built-in thermostat for temperature control, quiet operation, and a rain sensor that automatically closes the dome when wet. Its high-profile base ensures efficient ventilation and it is designed to fit standard 14" x 14" openings.
Safety Information
Warning: Product may contain materials cautioned by California Proposition 65. Always ensure proper ventilation during installation and operation. Disconnect power before performing any maintenance or installation procedures. Consult a qualified professional if you are unsure about any steps.
Product Features
- Fits standard 14" x 14" openings
- Three fan blade speeds for adjustable airflow
- Reversible air flow to either exhaust stale air or draw fresh air in
- Manual lift dome for easy opening and closing
- Quiet operation for minimal disturbance
- Built-in thermostat for automatic temperature control
- High profile base for optimal performance
- Rain sensor that automatically closes the dome when it gets wet
Setup and Installation
The Fan-Tastic Vent Model 3350 is designed for straightforward installation into standard 14" x 14" RV roof openings. Ensure the mounting surface is clean and dry before beginning. Use appropriate sealants (e.g., butyl tape and lap sealant, not silicone) to ensure a watertight seal around the vent. Connect the 12V DC power supply according to the wiring diagram provided in the packaging. Secure the unit firmly to the roof using the recommended fasteners.

Image: The Fan-Tastic Vent RV Roof Vent Model 3350, showing its open dome, fan blades, and internal components. This image illustrates the overall design and key features of the vent, including the clear fan blades and the white base.
Operating Instructions
The Model 3350 offers intuitive controls for optimal air management:
- Fan Speed Control: Adjust the fan to one of three available speeds (low, medium, high) using the dedicated control knob or switch to regulate airflow intensity.
- Airflow Reversal: Utilize the reversible airflow feature to either exhaust stale air from your RV or draw fresh air in, depending on your ventilation needs.
- Thermostat Operation: Set your desired temperature using the built-in thermostat. The fan will automatically turn on or off to maintain the set temperature, providing efficient climate control.
- Rain Sensor: The integrated rain sensor automatically detects moisture and closes the dome to prevent water entry. The fan will typically shut off when the dome closes due to rain.
- Manual Dome Lift: In addition to automatic operation, the dome can be manually lifted or closed using the designated mechanism.
Video: A product overview demonstrating the features and operation of the Fan-Tastic Vent RV Roof Vent, including its three fan speeds, reversible airflow, thermostat, and rain sensor. This video provides a visual guide to the product's functionality.
Maintenance
To ensure the longevity and optimal performance of your Fan-Tastic Vent, regular maintenance is recommended:
- Cleaning: Periodically clean the fan blades and the interior of the vent with a soft, damp cloth. Avoid abrasive cleaners.
- Dome Inspection: Inspect the dome and its seals for any cracks or wear. Ensure the dome lift mechanism operates smoothly.
- Rain Sensor: Keep the rain sensor clean and free of debris to ensure its proper function.
- Electrical Connections: Annually check all electrical connections for tightness and signs of corrosion.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Fan not operating | No power, blown fuse, loose wiring. | Check 12V power supply, inspect fuse, verify wiring connections. |
| Dome not opening/closing automatically | Rain sensor dirty or obstructed, motor issue. | Clean rain sensor, check for obstructions, consult support if motor is faulty. |
| Excessive noise during operation | Fan blades dirty or unbalanced, motor issue. | Clean fan blades, ensure no obstructions, contact support if noise persists. |
For issues not listed here, please refer to the manufacturer's website or contact customer support.
Specifications
| Attribute | Detail |
|---|---|
| Brand | Fan-Tastic Vent |
| Model Name | 803350 (Style: 3350) |
| Color | White |
| Product Dimensions | 10.5"D x 14"W x 12"H |
| Item Weight | 11 Pounds |
| Power Source | 12V DC Connector |
| Wattage | 11.04 watts |
| Number of Power Levels | 3 |
| Special Feature | Bladeless (Note: Fan blades are visible in product images and description.) |
| Control Method | Remote (Note: Manual controls are also described.) |
| Specification Met | Energy Star |
Warranty and Support
For warranty information, technical support, or to purchase replacement parts, please visit the official Fan-Tastic Vent website or contact their customer service department. Keep your purchase receipt as proof of purchase for any warranty claims.
EU Spare Part Availability Duration: 5 Years