Reply by Lifesaver2000

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Posted on Venting a DC to the outdoors

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551 posts in 3078 days

#1 posted 04-04-2012 09:05 PM

Bob, I don’t see any reason it wouldn’t work for you if you don’t have to worry about heating or cooling. I actually plan to do this myself at some point. I can’t point to any figures to support it, but I would expect that not having to overcome the resistance of a filter should improve the air flow of your DC, and it would also result in a more consistent flow since a filter’s resistance will increase as it gets dirtier.

About the only other thing I can think of would be to make sure you don’t have any ignition sources near where the vent exits the building, and to keep a close eye on that area to make sure you don’t get any sawdust build up. You might (like me) forget to check your separator at times and wind up with more than just the fine dust going though the DC.

You don’t mention what separator you plan to use, but I use a Thien separator with a top-hat design, and get next to nothing in the large shop vac I am currently using for dust collection duty.

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