Dometic Fan-Tastic Model 3350 Vent Fan


The Fan-Tastic Vent is lightweight and compact. It's durable vent fan seals tight when not in use. Powerful 30.5 cm, 10-blade fan quickly moves air into and out of the cabin.

- 3 Speed Fan (low, medium, high)
- Rain sensor automatically closes dome when wet
- Thermostatically controlled fan & Manual over-ride
- Easy to install / fits standard 14"x14"
- Reversible air flow
- 1 Year Warranty.

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Availability : In Stock

This model is activated when the three speed switch is turned to any of the three speed selections. The dome cover is opened when the dome up switch is activated and closed when the down feature is selected.

To activate the fan blade, the built-in thermostat must be turned to a lower temperature than the current interior temperature. The fan will shut off when pre-selected temperature is reached, but dome stays open for ventilation until the down feature is selected or the Built- in rain sensor automatically closes the dome.

Once the sensor dries, the dome will re-open and the fan will resume running at its former setting. A built-in manual knob can be used to close the dome in an emergency or to adjust the dome to a desired partially open height or to override the rain sensor.

For storage, the dome switch must be in the down position and the three speed switch to the off (0) position. The vent has a reverse switch for either intake or exhaust. The fan draws only 3 amps. max. and has a built in 6 amp fuse which is easily accessible on the face.



Suits hole size: 355mm x 355mm
12 Volts, 3 Amps
3 Speed fan

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Dometic Fan-Tastic Model 3350 Vent Fan



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