How to Choose the Correct VIAIR RVS Air Compressor Kit for your RV
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- čas přidán 21. 08. 2024
- VIAIR released a new line of RV air compressors in March 2019. The previous VIAIR models ended in RV, and the newest line of VIAIR models ends in RVS. There are 4 models of VIAIR RVS units and each is specifically designed for different RV models. In this video you will learn everything you need to know about these air compressors, and you will learn how to decide which is right for your RV. As always, you can purchase any of these new units at TechnoRV.com.
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*Construction seemed sturdier than other units I considered **MyBest.Tools** Noise level was reasonable. Good pressure and cfm capacity for a small reasonably light compressor.*
Another consideration to take into account is if you winterize your RV with the compressed air method, the Viair Winterization kit can be only used with a 400 or 450 model.
Thanks for taking the time to post this video! I just place an order with you!
Incredibly helpful video!!! Thank you for sharing this information. We are new to Class A life and are looking into air compressors for our tires. This video was perfect for understanding what will meet our needs.
So glad this could help
You could also add... that the 4000 RVS could also service the tow vehicle which could be a dually pick up truck pulling a large Towable....Good informative video young man.
Outstanding explanation of the Viair models. It sure has helped in our decision when selecting the right one for our application.
Just ordered the 300 rvs off your site ! Thanks man can’t wait to receive it and review it
Thanks Marco! Let us know if you need help with your Viair or have any questions. We're here to help!
And a semi or dump truck tire holds 90-120 psi
Enjoying your videos. Thanks so much!
Thanks Christina!
Another deciding factor between the 300 & 400 is the winterizing kit doesn’t work on the 300. Not quite sure why not, but if you want to use the winterizing kit and blow out your lines, you need the 400 or 450.
Great point, Wyndy. Thanks for pointing that out.
Thanks for the comparison. It's interesting how the "RVS" models are identical to the "RV" models except for a longer swivel hose and different color bag, but they're only available through select dealers.
Thanks for the comment. Yes, when VIAIR released their latest model with the upgrades, they were very selective as to who could carry them. Oftentimes when companies do not restrict who can buy and sell their products, they get in the hands of resellers that will not honor their agreement on pricing and selling channel guidelines. We are seeing this more and more with manufacturers as some resellers on Amazon disregard all guidelines and rules once they obtain the product. It causes a mess for the manufacturer and other resellers who abide by the selling guidelines. VIAIR does not allow resellers to sell the latest model on Amazon.
As for the upgrades on the RVS models, there are a couple. The extension you mentioned is one of them and I believe one of the models comes with a longer hose than before and one has an improved gauge. The bag is not just another color, but a much sturdier bag that is able to hold up to the weight and use of the VIAIR.
More great information thank you and for breaking it down. Awesome 👏
Thanks so much for explaining each one!
I’m not seeing the benefit of the 450 over the 400. Both come with same accessories, both put out 150psi but the 400 has a higher cfm rating so it will fill tires faster.
450 has 100% duty cycle vs 33% of the 400.
In you video you are talking about vehicles to match with a Viair. When that has nothing to do with air pressure. I have a st310gk with the upgraded axles, brakes and tires, my cold air pressure is 125 psi in the 17.5 inch tires. I have a dewalt 200 psi compressor and it will not pump above 120 psi at the max setting of 150 psi. Will one of those compressor pump air that will exceed 125 psi? Thank you
Hey Jim, thanks for reaching out! Sounds like the Viair 450P-RVS is the best option for you. It has 100% duty cycle and max working pressure of 150. You shouldn't have a problem getting to 125 in your tires.
@@Technorv
Thanks very much
Which would be great for an B+ for Leisure Travel Van?
Hi Van GO Nomad, If it was me, I would choose the 300 RVS model. This will give you plenty for your current application, and even give you a bit more if you need to help a fellow RVer out with more needs. I hope this helps. Eric
@@Technorv Thank You, for the recommendation on the Viair model 300 RVS.
Thanks
Nice god bless
With a 35ft toy hauler the 300 should ok for me. With max tire pressure of 65 psi.
We would recommend the 400 for a 35 foot RV simply for the additional 30-foot of hose you get with the 400. The 300 comes with only 30 feet of hose and that could cause issues if you are trying to add air to all of your tires.
K.i.s. what is the air pressure or rating of tire you have? And what is rating of pump..thats the one you need
There are a few other considerations to take as far as features. For example, if you have dual tires, only the VIAIR 400 and 450 have the 45-degree extension for that. Although the 300 may handle the size of your tire, you might need or enjoy the features of the 400 or 450.
Will the 300 handle my truck tires 75R18? The trailer is a 25 ft airstream with 16’s
I have the 400 with two hoses and haven't been able to use the extension hose since it disconnects itself from the base hose when under pressure. Am I missing something? Should I be twisting them together? The connection isn't strong at all and even if I just try to pull them apart they will separate. Any advice will be appreciated.
Hi Mike. This video may help with your issues. If you continue to have problems, please give us a call (866-324-7915) and we would be happy to work through the issue with you. czcams.com/video/etEUm4zCGIw/video.html
I have a class B but am interested in being able to blow out the lines and wonder if that requires the Viair Winterization kit? I understand that kit ONLY works with the 400P-RVS and the 450P-RVS. Is that correct? I'd buy the smaller unit if I could use it to blow out the water lines in winter. Thanks.
Yes Randy, the winterization kit only works with the 400 and 450 model.
Is there a difference between what you are selling and VIAIR 45057 Tire Inflator for Class A Motorhomes 450P-RVS?
The VIAIR models that end in RVS are the latest model and do have some upgrades.
Doesn't the 450 take longer to air up a class A than the 400?
Tim Marks the VIAIR website has fill times for each models by tires size. I believe the 400 is faster than the 450. The trade off is the 400 cannot run continuously like the 450. 400rvs has 33% vs 450rvs 100% duty cycles.
@@Gewgoal Shouldn't the time the 400 runs be more than ample to air up an RV?
Tim Marks I use my 400p RV primarily to air up my 4runner tires (32 inch tires) and 2 trailer tires from 15psi to around 36psi from driving on beaches. It’s plenty for my purposes and I would rather have it fill my tires a little on the quicker side. I just looked on the viair website and it said the 400rvs can run continuously for 20 minutes and the 450rvs can run continuously for 40 minutes. Keeping in mind that it will take time moving between all your tires you probably would not need to run it continuously for more than 20 minutes, especially if you’re just topping off before hitting the road.
@@Gewgoal Yup. That was my thinking too. Thank you for your prompt response.👍
I have St235/80R16G tires on my fifth wheel that need to fill at 110 lbs. Will the 300 be strong enough for these tires?
I highly recommend the Viair 400P-RVS for those tires. It's my personal favorite model.
My Class B on the new Ford Transit chassis has dual rear tires. Does the model 89RVS allow for an angled chuck? If not, I guess I have to go up to the 300RVS.
Hi Cary. In order to get the angled chuck, you really need to go to the 400P-RVS. They 300 only has a straight chuck. We made a video recently comparing the 300 to the 400 if you want to learn more. czcams.com/video/uhs-CGILWiE/video.html
I have a Chevy 3500 SRW, it has 265/70R/18 tires. 80 psi cold, I want to drive it on the beach, I will need to air down the tires, can I refill all 4 tires on one evolution with the 400p-rv model?
How long do you think it would take to refill all the tires? 30 minutes?
Hi Mark, I am not sure how far you air the tires down, but an example of the fill rate on a 33 inch tire from 15 to 30 PSI is 2 minutes. The unit can run non-stop for 20 minutes without resting. If you think it would be cutting it close then get the 450 model as it can go for an hour before needing a rest. I hope this helps. Eric
Can any of these units pump up a dump truck tire a semi-tire that would be very good?
Hi Dunno, Yes, the 450 can do that, in fact, my RV has 22.5 inch wheels and holds 120 psi. The VIAIR can handle it. Hope this helps.
Eric
I have a Scamp 13' trailer and a Nissan Frontier pickup. Would the smallest one be adequate?
The VIAIR 89 will certainly cover that. Most of the time, RVers with towables choose the 300 in case they run into other situations that they may need a bit more, but the 89 will air the tires on that unit just fine.
@@Technorv So the tires are to be inflated to 50 lbs on the scamp.
What would be better for a Jeep tires?
A VIAIR-89 would be sufficient for any passenger vehicle.
What model would you say for a 3500 dually with a 4k lb truck camper.
With dual tires, we would recommend the 400 since it has the 45-degree extension designed for dual tires. The 300 could handle the tire pressure, but you will most likely want the extras that come with the 400. Here is a video that shows the difference between just the 300 and 400 since that is where most upgrades occur: czcams.com/video/uhs-CGILWiE/video.html
I have a 27 foot class c with 29.5” diameter tires (6 total). Is the 300 ok?
Hi Mark, the max tire size recommended for the VIAIR 300 is: VIAIR 300 - MAX tire size - 245/70R 19.5. If your tire is this or smaller then you will be fine. I hope this helps. Eric
@@Technorv Thanks! My tires are LT 225/75R16’s. So it seems like the 300 will be ok.
Are these considered "Food Safe" compressors?
No. It is not recommended by the manufacturer to eat these compressors. They recommend only eating “food safe” food.
I heard that you should not use certain types of air compressors when you are winterizing your RV water system, ie. blowing out the water lines. What I heard was you should not use the types that have might get oil in the air, something about having a air reservoir or something like that, I'm not sure. Would these ViAir units be OK/save for using to blow out/pressurize my RV water system? Thank you!
Hi Winston,
The VIAIR has a winerization kit that allows you to adjust the pressure to make the process safe. You can find those kits on TechnoRV.com. These Winter kits work with the 400 and 450 models. I hope this helps.
Eric
@@Technorv Hi Eric, although the Viair Winter Kit doesn't work with the 89P-RVS, is it possible to use a non-Viair solution for winterizing? Meaning, can I winterize in some other way using the Viair 89P-RVS? Thanks very much!
Was looking at this unit to replace my pancake compressor, since it struggles to air up our 22.5 class A tires. However, after reading many comments on the 450, it seems it has issues with holding up on heavy useage and not well made for the cost. Made in China is one of the issues! How has some of the owners on this found it's reliability?
Hi Joe,
We actually hear the opposite as far as quality and reliability. When you hold one of these units you can tell it is a quality unit. Yes, it is made in China, but from my stand point it is not typical regarding what you may think on products made in China. Aside from that, I have personally used the 450 on my Motorhome that has 22.5s, and have never had a issue. I have had my unit for about 3 years and have used it in all sorts of climates, from the shores of the Arctic ocean to the shores of Key West, it has worked fine for me. I hope this helps. Eric
Can i use this for an air ride suspension ?
This unit would air that up, yes, but it is not designed to be a permanently installed inflator. VIAIR does make those type compressors though.
A bicycle tire pump would be better for air bags.
How much price 450
359.95 for the 450 RVS model. This is the newest model on the market and works great for those bigger tires.