Adapting Crafts man Shop Vac to 2 1/2" hose

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Forum topic by ChesapeakeBob posted 01-04-2010 03:35 AM 1789 views 0 times favorited 3 replies Add to Favorites Watch
View ChesapeakeBob's profile


365 posts in 2905 days

01-04-2010 03:35 AM

Topic tags/keywords: shop vac vac

Santa brought me a Craftsman Shop Vac. 12 gal. 5 HP. I am going to build a Thein separator and use the set-up in my small basement shop.

My question is this: The vac hose connector is not as large as 2.5” It is something like 1.75”. Where can I purchase the adapter to get the vac to (what I consider the standard) 2.5”? OR, how can I make such an adapter?

Many thanks,


-- Chesapeake Bob, Southern Maryland

3 replies so far

View MarkwithaK's profile


370 posts in 2600 days

#1 posted 01-04-2010 04:43 AM

Do not quote me but I think the Craftsman’s are coming in at 1 7/8

-- If at first you don't succeed then maybe skydiving isn't for you.

View bobkberg's profile


420 posts in 2495 days

#2 posted 01-04-2010 05:00 AM

I would be careful about that – I started by using vacuum tubing and a Ridgid (Emerson Electric) shop vac, and with the extra tubing, it turned out to be too much of a load for the shop vac. I wound up burning out several shop vacs before I finally learned that they’re only good when connected directly to one “dust-making-tool” at a time.

Now I have a Delta 1 HP dust collector and 4” tubing – I got tired of buying replacement shop vacs.

-- Bob - A sideline, not how I earn a living

View Tim Dahn's profile

Tim Dahn

1511 posts in 2987 days

#3 posted 01-04-2010 05:01 AM

Bob, will this work?
Multi-Step Hose Reducer

-- Good judgement comes from experience and experience comes from poor judgement.

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