Is the 10" thickness the minimum, or can it be trimmed down?

When installed as directed--with all components unaltered--the minimum thickness is 9 inches. However, as other have indicated, you can reduce this further by trimming the metal components of the duct. In fact, if you managed to glue/seal the fan housing directly to the plastic vent cap, the whole assembly requires only 5 inches. So there are a lot of options to put this unit in a thinner wall. If you trim the duct work, just be sure you have means to tape/seal everything once it is in the wall. On the final step, the length of the flexible duct is what enables you to tape/seal all the connections on the exterior side before compressing everything back into the wall.

Can this be left on 24 hours/day in a utility closet?

Indefinitely, I am not sure, but it does run here in 100 degree+ temps for most of the 24 hour day and has done so for about 4 years. If the temps are not too high it might be like one of those machines that if it runs all the time it will go until the bearings go out after a bunch of years.

Is it loud? Can you have a conversation In front of it?

It's not very loud, yes you could have a conversation near it. Had to do a small adjustment to free the fan, due to repacking from a previous customer.

Can i buy the outside 8x8 louvered cover separately? the one i have failed after 3 years. the fan still works fine.

Yes you can, Lowe's and Home Depot carry them, you might have to modify the mounting holes but yes that should work.

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512M Through-the-Wall Ventilation Fan White Cover, 6-Inch 70 CFM 6.0 Sones

Product ID: 994474

Details

Brand
Broan-NuTone
Color
White
Electric fan design
Exhaust Fan
Mounting Type
Wall Mount
Power Source
ac
Product Dimensions
8"D x 5"W x

💨70 CFM airflow

🛠️Twist-lock motor install

🛡️Galvanized steel housing

S$188

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Description

💨 Breathe Easy, Live Fresh — The Ultimate Wall Vent Upgrade

VERSATILE IN WALL MOUNTING - Fits walls 5.25" to 10" thick, perfect for garages, kitchens, laundry & rec rooms.
CUSTOMIZABLE SMART CONTROLS - Pair with humidity, motion sensors or timers (sold separately) for automated, energy-efficient operation.
POWERFUL 70 CFM VENTILATION - Effortlessly clears heat, humidity & odors in spaces up to 65 sq. ft.
QUICK TWIST LOCK INSTALLATION - No ducting needed—built-in exterior wall cap with bird screen saves time & hassle.
DURABLE GALVANIZED STEEL HOUSING - Engineered to withstand extreme weather and daily wear for long-lasting performance.

The Broan-NuTone 512M is a robust 6-inch through-the-wall ventilation fan delivering 70 CFM airflow at 6 sones noise level. Designed for quick twist-lock installation without ducting, it features a galvanized steel housing with a built-in exterior wall cap and bird screen for durability and weather resistance. Ideal for ventilating rooms up to 65 sq. ft., it fits walls from 5.25" to 10" thick and supports smart control add-ons for automated ventilation.

Specifications

ASIN	B000LNKUN8
Air Flow Capacity	70 cfm
Best Sellers Rank	#50,806 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #163 in Household Ventilation Fans
Blade Length	6 inches
Blade Material	Plastic
Brand Name	Broan-NuTone
Collection Name	Utility Fans
Color	White
Connector Type	not_applicable
Control Method	Remote
Controller Type	Button Control
Customer Reviews	4.4 4.4 out of 5 stars (1,485)
Electric Fan Design	Exhaust Fan
Finish Type	White
Form Factor	not_applicable
Global Trade Identification Number	00026715067138
Included Components	Exhaust Utility Fan
Indoor Outdoor Usage	Indoor, Outdoor
Installation Type	In-Wall
Item Dimensions D x W x H	8"D x 5"W x 8"H
Item Type Name	White Cover
Item Weight	3 pounds
Light Type	not_applicable
Manufacturer	Broan
Material	Metal, Plastic
Model Name	Through-the-Wall Ventilation Fan
Model Number	512M
Motor Type	Electric
Mounting Type	Wall Mount
Noise Level	6 sones
Number of Blades	3
Number of Packs	1
Number of Power Levels	1
Number of Speeds	1
Part Number	512M
Power Source	ac
Recommended Uses For Product	Ventilating
Reusability	not_applicable
Room Type	Garage, Kitchen, Laundry Room, Rec Room
Size	6-Inch 70 CFM 6.0 Sones
Special Features	Tested for Extreme Weather (Garage Usage); Wall Mount
Specification Met	UL
Speed	1 rpm
Standby Power Shutoff	Efficient
Style	Surface Mount
Switch Type	Wall Control
Theme	not_applicable
UPC	882571985371 754262206587 026715067138 700811772560
Unit Count	1 Count
Voltage	120
Wattage	25.4 watts

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S$188

Duties & taxes included

In stock

Sold byAmazon SINGAPOREDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to SINGAPORE.

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TrustScore 4.5 | 7,300+ reviews

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