Has anyone used this successfully on a Winnebago Boldt?

This can work on all maxxair/fantastic fan roof vents as long as the vent knob does not stick below the roofline. If the knob hangs lower than the flange (due to shallow mount of the vent), it will not work.

Can these be folded back partially to vent and cover most of the fan at the same time?

Yes, the first section of the vent (25%) can be folded down (and hangs) to allow the vent/light to come in as needed.

Will this help keep heat in during winter camping?

Yes, this will help insulate against the cold

Has anyone installed this on a Dometic Fan-Tastic fan?

If you read as in READ the description it clearly states in TITLE too that it does work same way for the Fantastic Fan. Note it states Fantastic Fan which is Dometic Fan TM branded. So yes it fits a Fantastic Fan that's the classic 14.5x14.5 size range. You install THE same way it discusses installing with the Maxxair fans. You'll need to remove the interior flange or finish cover and set cover down on solid flat counter or table surface. Then place the removed frame on top of the cover. Next take the supplied magnets and attach as they show being done. Now you need to secure these placed magnets with tape to keep them in place for good. Now return the frame or flange to the roof using the screws you took out and viola you can now put your magnetic secured cover up on your Roof Fan and have insulation and black out light curtain when needed.

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VanEssential Magnetic Insulated Roof Vent Cover for MaxxAir Fan, Fantastic Fan, 41.9 x 41.9 cm, Charcoal

VanEssential Magnetic Insulated Roof Vent Cover for MaxxAir Fan, Fantastic Fan, 41.9 x 41.9 cm, Charcoal

Product ID: 442538772

Details

Brand
VanEssential
Colour
Charcoal
Controller type
Pull Chain
Electric fan design
Exhaust Fan
Mounting type
Ceiling Mount
Power source
Corded

🧲Powerful N48 neodymium magnets

♻️Made from 100% recycled PET fabric

🌡️Reflects up to 97% radiant heat

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Sold byAmazon Papua New GuineaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🛠️ Cool, Clean, and Magnetic—Upgrade Your Van Vent Game Now!

ECO CHIC DESIGN - Crafted from 100% recycled PET plastic bottles—sustainability meets style.
HEAT SHIELD PRO - Double-foiled 5mm aluminum insulation blocks 97% of radiant heat, keeping your van cool and comfy.
MAGNETIC MASTERY - Effortless, secure attachment with industrial-strength N48 magnets—no tools needed.
LIGHT BLOCKING PRIVACY - Blocks unwanted light and prying eyes, so you can relax or work in peace.
UNIVERSAL FIT FOR MAXX AIR FANTASTIC FANS - Precisely engineered for 16.5” x 16.5” flanges, ensuring a perfect seal every time.

The VanEssential Magnetic Insulated Roof Vent Cover is a 41.9 x 41.9 cm charcoal cover designed for MaxxAir and Fantastic Fans. Featuring powerful N48 neodymium magnets for easy installation, it uses 5mm double-foiled aluminum insulation to reflect up to 97% of radiant heat, enhancing temperature control. Made from 100% recycled PET fabric, it combines eco-friendly materials with superior light blocking and privacy features, making it a must-have for millennial vanlifers seeking comfort and sustainability.

Specifications

ASIN	B09T1JVCRQ
Best Sellers Rank	31,531 in Automotive ( See Top 100 in Automotive ) 744 in Motorhome Parts & Accessories
Blade Length	16.5 Inches
Blade Material	Plastic
Brand Name	VanEssential
Collection Name	Roof Vents
Colour	Charcoal
Control Method	Touch
Controller Type	Pull Chain Control
Country of Origin	China
Customer Reviews	4.5 4.5 out of 5 stars (342)
Electric Fan Design	Exhaust Fan
Finish Type	Matte
Included Components	Storage Sack, Magnets
Indoor Outdoor Usage	Outdoor
Installation Type	magnetic attachment
Is Product Cordless	No
Item Weight	0.53 Pounds
Manufacturer	VanEssential
Material	5.0mm double foiled aluminum PE insulation, 100% recycled PET plastic bottle fabric
Model Name	MaxxAir/Fantastic Fan
Model Number	VEN
Mounting Type	Ceiling Mount
Number of Power Levels	1
Part Number	ROOF VENT
Power Source	Corded Electric
Recommended Uses For Product	Ventilating
Reusability	[POSSIBLY]
Room Type	Living Room
Size	16.5 inches x 16.5 inches
Special Features	Automotive Grade Insulation, Magnets With Maximum Holding Power, Environmentally Friendly
Specification Met	Energy Star
Standby Power Shutoff	Alta eficiencia energética
Style	Modern & Eco-Friendly
Switch Type	Push Button
Theme	Camping
UPC	850037114351
Unit Count	1.0 count
Wattage	25 watts

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