Shop Vac hose with dust collector?

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Forum topic by Woodknack posted 01-14-2014 08:33 PM 1101 views 0 times favorited 8 replies Add to Favorites Watch
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11817 posts in 2408 days

01-14-2014 08:33 PM

Topic tags/keywords: shop vac dust collector

I have a fairly long Shop Vac hose that would be handy to use with my Delta AP400 (1 HP) dust collector for cleaning cracks and crannies in the nether regions of my shop. Good idea? Bad idea? The vacuum burned up years ago or I would just use that.

-- Rick M,

8 replies so far

View Don W's profile

Don W

18754 posts in 2595 days

#1 posted 01-14-2014 08:38 PM

The only consideration I’ve heard of is keep in mind a dust collector and a vacuum are different. Suck up a 1/2” nut with a dust collector and it goes through the fins unless you’ve got a separator inline. Using the hose to suck up dust should be fine.

-- - Collecting is an investment in the past, and the future.

View Fred Hargis's profile

Fred Hargis

5000 posts in 2521 days

#2 posted 01-14-2014 08:46 PM

You may well be disappointed with what happens. A DC isn’t made to overcome a lot of resistance, like a small hose. I think it may not move enough air to clean anything, but it won’t hurt anything to try. If anything the DC motor would just be coasting along waiting for more air to show up.

-- Our village hasn't lost it's idiot, he was elected to congress.

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11817 posts in 2408 days

#3 posted 01-14-2014 08:55 PM

I will be adding a separator. The differences between how a DC and shop vac work are a mystery to me but I know there are differences.

-- Rick M,

View jonah's profile


1727 posts in 3326 days

#4 posted 01-14-2014 11:52 PM

Shop vac shave low airflow but high suction, so they work great with small hoses.

Dust collectors have high airflow but low suction, so they work best with large hoses.

Sticking a long 2.5 inch hose on a dust collector is going to disappoint you. Just use your shop vac for cleanup.

View doubleDD's profile


7444 posts in 2071 days

#5 posted 01-15-2014 01:50 AM

Rick, I use to have my vac hose connected to the dust collector, going to a miter station. It worked but in my estimate I lost 60- 75% of the suction before it hit the miter saw. It was still better than not having anything. I would disconnect it from the miter saw and clean up all around the saw, just what you have in mind. It just doesn’t have the same power. You loose a lot.

-- Dave, Downers Grove, Il. -------- When you run out of ideas, start building your dreams.

View gfadvm's profile


14940 posts in 2718 days

#6 posted 01-15-2014 02:24 AM

Rick, I stick a 2 1/2” shop vacc hose on my 1 HP Grizzly DC all the time to clean around the shop. It works just fine but won’t pick up some heavier items like bolts that the shop vac would (not necessarily a bad thing). I do have a chip separator to keep nails and metal out of the DC impeller.

-- " I'll try to be nicer, if you'll try to be smarter" gfadvm

View Grandpa's profile


3259 posts in 2703 days

#7 posted 01-15-2014 02:52 AM

Rick, take 2 swizzle stick like you stir coffee with. Stick one in each nostril and pinch the nostril closed to hold the stick. Walk around the room briskly breathing through the swizzle sticks. That is what you would be doing to your dust collector. It can be done but slower. If you are smaller it is easier so if the dust collector is smaller it would be easier than if it were large.

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11817 posts in 2408 days

#8 posted 01-15-2014 07:37 AM

Thanks guys. I planned to build a floor sweep out of PVC but didn’t want to drag a 4” pipe around the shop if I could get away with using the hose I already had. I’ll rig up a quick adapter and see how it goes.

-- Rick M,

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