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Old 02-03-2017, 08:11 AM   #1
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Air Compressor

Anyone have a recommendation for an air compressor to travel with?
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Old 02-03-2017, 08:24 AM   #2
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Try a search, there have been a lot of threads on this.
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Old 02-03-2017, 08:37 AM   #3
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Informative thread...

http://www.airforums.com/forums/f438...as-146190.html

Viair 88P performs well, is lightweight, reliable, affordable, and compact.
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Old 02-03-2017, 10:32 AM   #4
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Where do you plug it in? Long extension cord?
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Old 02-03-2017, 11:04 AM   #5
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I highly recommend the Viair 450P-RV 12V compressor. It hooks up to the battery posts and requires the engine to be running. It will air up anything including bus tires in no time. Not cheap but worth the money. The RV version comes with 2 X 25ft coiled air hoses in the kit and the bits included will even do dual tires on pick ups.
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Old 02-03-2017, 12:25 PM   #6
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agree with the ViAir 450 recommendation
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Old 02-03-2017, 03:28 PM   #7
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Viair 88p on deck, haven't used it yet, but confident it will do the job when called upon.
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Old 02-03-2017, 03:49 PM   #8
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Can't make a recommendation, but for flexibility I'm looking at AC/DC models or ones with rechargeable battery. Open to suggestions.
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Old 02-04-2017, 03:20 AM   #9
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Originally Posted by Newmarketca View Post
I highly recommend the Viair 450P-RV 12V compressor. It hooks up to the battery posts and requires the engine to be running. It will air up anything including bus tires in no time. Not cheap but worth the money. The RV version comes with 2 X 25ft coiled air hoses in the kit and the bits included will even do dual tires on pick ups.
The 450 has a duty cycle of 100% which means you can also use it to winterize the trailer on the road if necessary, without risking a shut-down or failure due to overheating. Thus the higher cost.

https://www.amazon.com/Viair-Automat...words=viar+450

Here are the search results for "compressor portable" which include other threads for both 12v and 120v AC models:

https://cse.google.com/cse?cx=011403...sor&gsc.page=1

The Viarr 88 model is rated to run for only 25 minutes:

https://www.amazon.com/dp/B005ASY23I..._t3_B000X9BXQS
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Old 02-04-2017, 03:35 AM   #10
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ViAIR 450P

I also have the ViAir 450P. Picked it up from the Walmart Online store. Great price, quick service.

Love ViAir... Unit arrived with a broken gauge face(really lexan). The air fill nozzle had hit the gauge face in transit. Sent them a couple of pictures via email, got a personal phone call in reply and a replacement gauge in a couple days.

Unit works great on the road or at home. You can connect to a battery in the vehicle or in my case I just use a portable 12v jump pack. I've used it for tires and winterizing the trailer. A really nice self contained unit.
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Old 02-04-2017, 03:57 AM   #11
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For what it is worth, I have the Viair 45040 450C that I installed as a replacement for the original air compressor that is used to power the air suspension in the motorhome .
It works great in normal weather but below freezing it refuses to fill the tank. I am guessing it has plastic piston rings and they do not seal well in cold weather.
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Old 02-04-2017, 05:16 AM   #12
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We have the 88P and like it a lot.
A bit of research and I learned that the power needed to fill the tires on my vehicle essentially ruled out a weaker compressor with only a DC plug via the cig. lighter outlet.

And my trailer tires are to be inflated to 65 psi, which is higher than many vehicle tires.

We got the 88P and it is easy to use, quick, has a decent duty rating if we needed to fill an empty tire, can be used for bike tires too, is lightweight and about the size of a small toaster. It has a built in gauge that makes it easy to use.
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Old 02-04-2017, 05:47 AM   #13
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I have destroyed countless cheap 110v compressors because they do not have the runtime for trailer tire pressures. I bought a VIAir 450 for the road and wired a plug for the 7-way connector, which allows adequate current with the engine running, and it works great while away. At home I use a 110v pancake compressor, which easily fills to 80 psi.

Larry
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Old 02-04-2017, 05:52 AM   #14
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Same here ... Viair 450P but NOT the -RV unless you have dually wheels and need the long extender to get air to the "other" tire. I posted that I love the Viair previously but don't expect it to also help you blow-out your water lines for winterizing unless you use it to pressurize a 10 gallon air tank with its own regulator, which you will then use to blow-out the lines. The 450P doesn't develop the pressure and cubic feet per minute needed to blow out the lines. That said, it's great for airing tires and it doesn't have a duty cycle. Take care, Rich
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Old 02-04-2017, 06:02 AM   #15
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Another great product is ARB; designed for the Australian Outback, exceedingly high quality (no plastic parts), metal roller and needle bearings, great support for parts (not that I have needed any) and models that will run 100% duty cycle.

Not cheap, but you get what you paid for.

http://store.arbusa.com/Compressors-Accessories-C9.aspx

Cheers
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Old 02-04-2017, 06:09 AM   #16
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Rich, a low-volume-flow compressor such as the Viarr 450 will winterize adequately without an air tank inline IMO, if you do a basic gravity drain-down of the system first. By next closing all faucets and drains, then opening one at a time until air-only flows freely, starting up high then going lower, it is possible to get all the water out. This may require more than one trip around the trailer, but it can be done. Not having to lug around the air tank is a significant weight/space savings. If one has the capacity to take the tank, that is preferable of course, and safer with a separate regulator inline.
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Old 02-04-2017, 01:44 PM   #17
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OTRA15, after opening the low-point drains, I initially tried using my Viair 450 to blow out the water lines. I was successful at getting a fair amount of water out of the lines, blowing into the city water inlet, but careful about developing too much pressure and causing damage to the plumbing. But nonetheless, went from faucet to faucet to faucet ... and on and on and on. Eventually, I began to lose confidence. So I went home and grabbed my pancake compressor and a small generator. I set the regulator on the pancake to 60 lbs (as I recall ... based on the manual) and the compressor charged the water lines and shut-off. I went to the sink and flipped the faucet open and A LOT of water blew out that would have otherwise stayed in the system. I did this several times all the way around the trailer, including blowing out the low point drains and Alde ... after completing this, I was confident that I had removed all the water I could, where with the Viair, I probably only got 80-90%. I was going to stop there and call it good, per a post I read on this forum from someone at JC ... but then I saw the advice to go ahead and add the antifreeze ... which I did. Now even if 20% of the water remains in the system without antifreeze, and the faucets are all left open, that's probably fine to prevent damage. But then to add antifreeze, that's also probably fine.

Now if the Viair had a way to auto-shut-off when it reached 60 PSI, to ensure that I had pressure to blow-out the lines with adequate CFI airflow, then I might agree with you... Otherwise, I'll use the compressor and be sure that I got "all" of the water out ... granted I'm anal ... but this is why I suggested that the Viair is the wrong tool for the job.
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Old 02-04-2017, 04:26 PM   #18
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I use the Viair 88p. Works great for tires, and I use it to initiate winterizing then follow up with a gallon and a half of antifreeze through the water pump into all the lines. So far, so good.

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Old 02-04-2017, 05:41 PM   #19
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I purchased a few different ones, but this has been the best. Powerful and portable. Cordless Portable Air Compressor Tire Inflator Ryobi 18-volt Battery Powered. I found mine at Home Depot for a very reasonable price
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