MAXXAIR I+ Translucent White Vent Cover
Manufacturer 00-933051
View this partMAXXAIR I+ vs II: RV Roof Vent Cover Photos & Fit Guide
MAXXAIR I+ and MAXXAIR II are outside rain covers that sit above a compatible RV roof vent. They are not complete ventilation fans or replacement lids. Both protect an existing roof opening while letting air escape, but the two covers differ in the amount of ventilation they provide and the fan types Maxxair specifies for their use.
Compare the actual covers
MAXXAIR I+ Black Vent Cover
Manufacturer 00-933052
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MAXXAIR II Translucent White Vent Cover
Manufacturer 00-933081
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MAXXAIR II Black Vent Cover
Manufacturer 00-933082
View this partFind the right family before choosing a colour
| Feature | MAXXAIR I+ | MAXXAIR II |
|---|---|---|
| Factory part numbers | 00-933051 white; 00-933052 black | 00-933081 translucent white; 00-933082 black |
| Manufacturer's intended vent | Non-powered RV roof vents | Non-powered vents and low-powered ventilation fans |
| Ventilation layout | Original-style rear louvered cover | Updated aerodynamic housing with enlarged, side-louvered vent area |
| Factory airflow comparison | Original vent-cover design | Approximately twice the vent area of the original cover |
| Care and access | Follow the supplied mounting method for the original vent | Hinged/EZClip-style access on supported installations, following the factory instructions |
| Warranty listed by Maxxair | Six-year limited | Six-year limited |
Existing roof flange
The installed roof vent stays in place; the cover is fitted around its exterior housing.
Original vent lid
Opens beneath the rain cover. Check that the lid and linkage clear the cover.
MAXXAIR I+ or II
The external shell and louvers provide weather protection while air exits.
Cover mounting hardware
The brackets attach at designated housing/flange points; installation method varies by cover and fan.
Component identification only; the manufacturer's separate illustrated instructions show actual mounting positions.
Do you have a high-powered ceiling fan?
For a MAXXFAN, Fan-Tastic or other high-powered rooftop fan, Maxxair recommends its FanMate cover to minimize airflow restriction. The MAXXAIR II may also work on some high-powered installations, but the manufacturer's recommended high-flow solution is FanMate. Compare your exact fan housing and mounting tabs before choosing a rain cover.
What to check on your RV roof
- Identify whether the installed 14 × 14-inch vent is non-powered, low-powered or high-powered. The same roof opening size does not mean the same ventilation requirements.
- Check room around the exterior vent, lid travel, solar panels, air conditioners and other roof equipment.
- Compare the roof mounting flange and any existing brackets to the chosen Maxxair instructions.
- Use the manufacturer's specified fasteners and sealing method. Do not block drainage gaps beneath the cover with sealant.
Factory model images and instructions
MAXXAIR 2025 catalog — I+ and II photographs, exact MPNs and recommended applications (PDF). Also see Maxxair's official vent-cover compatibility and drainage FAQs.
For a vent cover designed around high-powered fans and its numbered replacement components, see the FanMate 755/855/955 parts guide. If you are replacing the entire small roof fan, see the MAXXFAN Dome parts guide.
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