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Old 03-22-2011, 03:15 AM
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Motorhead Motorhead is offline
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Join Date: Feb 2008
Location: Tempe, AZ
Posts: 442
Default Central Pneumatic Garage Air Kit (#66747)

I needed to plumb my shop for air, as I was tired of having a mess of air hoses all over the shop. I came across a a Central Pneumatic Garage Air Kit at my local Harbor Freight store (part number 66747) and decided to buy it. It's usually a $100 item, but it was on sale at $54.99 and I had a 20% off coupon. It ended up being about $47 out the door. It is very very similar to the Rapid Air kit that sells for three times the price. It comes with 100' of 1/2" O.D., 3/8" I.D. tubing and all the fittings in the pictures.

I had the quick connect. It wasn't included in the kit.

Well, I went ahead an installed it. It went together in a few hours. The biggest problem was uncoiling the hose, but I managed to get it done.

I put the kit together in a few hours, but I've spent the last three days trying to fix all the leaks. EVERY CONNECTION IN THIS KIT LEAKS! I got the leaks down to a "managable" amount, such that my 60 gallon tank would go from 130 psi down to about 30 psi in 24 hours. Well, today I went to use it and a quick connect fitting popped out and drained the tank in a couple of minutes. The slightest (and I mean SLIGHTEST) movement at a quick-connect fitting can fix or create a massive leak. This kit is the finickiest thing I've ever bought.

Harbor Freight has a lot of good stuff, but this kit is a total piece of crap! It is coming down tomorrow and it will go back to the store.


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Old 03-22-2011, 08:55 AM
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ratrodz ratrodz is offline
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Join Date: Sep 2010
Location: horse cave ky
Posts: 383

i used pvc pipe in my shop 12 years ago no leaks easy to install no problems so far
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Old 03-22-2011, 09:12 AM
Charley Davidson Charley Davidson is offline
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Join Date: Sep 2010
Location: In my bus in Murfreesboro, Tn
Posts: 1,153

Thanks for the heads up, that's one hell of a nice shop you got there.
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Old 03-22-2011, 09:15 AM
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donsrods donsrods is offline
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Join Date: May 2007
Location: fort myers florida
Posts: 9,834

When we did our shop we had read so much about pvc tubing having problems that we went with galvanized pipe instead. There have been cases of the pvc exploding and sending shrapnel flying clear across the garage, and in some cases injuring someone.

I know there will be people on both sides of the debate on this one, but we just weren't taking that chance.

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Old 03-22-2011, 10:24 AM
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Bonehead Bonehead is offline
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Join Date: May 2007
Location: Fruita, Colorado
Posts: 12,074

I used 1/2 inch pipe, years ago, and it still works great.
My way IS the highway!

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Old 03-22-2011, 10:29 AM
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darkk darkk is offline
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Join Date: Aug 2010
Location: Willimantic,Ct.
Posts: 273

Use PEX tubing (water or heating) works great and you can get it in 1/2"-1 1/4". I used crimp fittings, but there are sharkbite press fitting that actually work very well. Much better than some of the plastic line air kits I've seen.
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Old 03-27-2011, 03:47 PM
hotrodbill hotrodbill is offline
Join Date: Mar 2011
Location: Tex
Posts: 56

I was really considering one of those kits....thanks for the heads up.

I think I'll just use pipe.
I just have a 2 car garage, but I want air at all the walls, the roll up doors, and a couple outside.
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Old 03-27-2011, 08:14 PM
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blacksheep blacksheep is offline
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Join Date: Jul 2010
Posts: 856

I use soldered copper pipe in my shop. I also put a moisture P type trap every 15' or so. I can go to any point and drain any moisture out of it. But, I now have driers. Commercial shop should not use PVC. Home shop it will last forever, and as long as you don't get over 139 psi you are good to go.
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Old 03-28-2011, 09:12 PM
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sgtpontiac sgtpontiac is offline
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Join Date: Dec 2010
Location: S.E. Michigan
Posts: 6,868
Default I was also looking at the HF air kit

I will move from that idea quickly..... always wondered about pvc.. stayed away from it from all the supposed horror stories.... Never thought about PEX.... any other thoughts about the use of PVC or PEX? The temp changes between when I'm in or out of the barn, (heated then cold) will that have a factor?? Just wondering...... I think my compressors are set at 130psi both of them.....
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Old 03-28-2011, 09:24 PM
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EnglishBob EnglishBob is offline
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Join Date: Dec 2008
Location: Calgary,Alberta
Posts: 765

Have a similar kit in my shop for a couple of years and even through our winters it's held up fine.
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