Nutone 302MTL Central Vacuum Metal Slip Coupling

your vacuum isn't working good it doesn't have good suction power this happened to me recently and I was able to fix it so I'll show you what I did my central vac system has four outlets one in the garage beside the main unit, one in the upstairs hallway, one in the basement and one on the main level so I went to the first outlet and I got my shop vac, any other vacuum will do or if you don't have one you could always rent one or you've been better yet borrow one from a friend or even a neighbor, just call him up and say "hey can you bring over that shop back I'll make you lunch" and then make something good for lunch okay so I took my shop vac and I put it in the outlet turned it on and I was getting all kinds of big clumps of hair and dust coming through the pipes that was stuck I've got a big hairy dog that probably clogged it up with all that shedding she does so then I went and did