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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Broan-NuTone512M

Product ID: 57435504

Details

Brand
Broan-NuTone
Electric fan design
Exhaust Fan
Power source
Corded
Style
Modern
Room type
Laundry Room
Special feature
Lightweight

⚡25.4 watts power

💨70 CFM airflow

🔇3.5 sones noise

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P12658

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Sold byAmazon BotswanaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🚀 Elevate Your Air Quality with Style!

BREATHE EASY - Experience superior ventilation with 70 CFM airflow, perfect for any space.
SAFETY FIRST - UL listed and HVI-2100 certified for your peace of mind.
SLEEK DESIGN - White interior grille seamlessly blends with any decor style.
WHISPER QUIET - Enjoy a peaceful environment with a noise level of just 3.5 sones.
VERSATILE INSTALLATION - Easily install in walls 5-1/4 in. to 10 in. thick with a flexible aluminum duct.

The BROAN-NUTONE 512M is a high-performance ventilation fan designed for laundry rooms, kitchens, and recreation areas. With a powerful 70 CFM airflow and a whisper-quiet operation at just 3.5 sones, it ensures a comfortable environment. Its versatile installation options and sleek white grille make it a perfect fit for any decor, while safety certifications guarantee reliability.

Specifications

Brand	Broan-NuTone
Model Number	512M
Product Dimensions	20.32 x 12.7 x 20.32 cm; 1.36 kg
Capacity	1 load
Power / Wattage	25.4 watts
Voltage	120
Auto Shutoff	No
Noise Level	6 Sones
Special Features	Lightweight
Item Weight	1.36 kg

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