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Viair Portable Compressor uses

RobWNY
Explorer
Explorer
After reading many great reviews regarding the Viair line of compressors, I bought a VIAIR 400P-Automatic Function Portable Compressor for inflating tires if needed. This year we will be heading South for the winter so I just want to blow out my water lines in case freezing occurs here before we leave in mid-late November. Can I use the Viair for that purpose or would a regular compressor be a better way to do it? Thanks in advance.
2020 Silverado 2500HD LT, CC, 4X4 6.6 Duramax
2021 Grand Design Reflection 311BHS

I asked him to do one thing and he didn't do any of them.
9 REPLIES 9

time2roll
Nomad
Nomad
You can get a portable air tank at PepBoys and probably HF if that helps.

RobWNY
Explorer
Explorer
I ended up buying this one from Walmart for $59.88 Portable Compressor. Lightweight, not too loud and I can take it with me and use it for other things if necessary. The Viair will be dedicated for it's main purpose. I used it on my camper and it worked great. All done blowing out the lines and ready to roll!
2020 Silverado 2500HD LT, CC, 4X4 6.6 Duramax
2021 Grand Design Reflection 311BHS

I asked him to do one thing and he didn't do any of them.

2oldman
Explorer
Explorer
RobWNY wrote:
I might as well just go buy a 3 gallon/100psi compressor instead. Walmart has one for $60
Hopefully it won't be noisier than a contractor generator.. if that's a concern.
"If I'm wearing long pants, I'm too far north" - 2oldman

Esacnj
Explorer
Explorer
if you buy the winterizing kit from viair it comes with everything you need for $35.99.
Esacnj

RobWNY
Explorer
Explorer
Thanks everyone. Since I would have to buy parts to make the Viair usable in this application, I might as well just go buy a 3 gallon/100psi compressor instead. Walmart has one for $60
2020 Silverado 2500HD LT, CC, 4X4 6.6 Duramax
2021 Grand Design Reflection 311BHS

I asked him to do one thing and he didn't do any of them.

vermilye
Explorer
Explorer
While I prefer a compressor (oilless) with a large tank, the Viair compressors can be used if you use a fitting to attach it to the water system. Let the pressure build to 30 - 40 pounds with the water faucets closed, then open. Repeat moving down the water lines, and do it once or twice. Not as fast or easy as a tank compressor, but it works.

Esacnj
Explorer
Explorer
Viair has a winterizing kit ($35.99) for just that purpose. I use it with my 400P-RV. It has an adjustable regulator.
Esacnj

2oldman
Explorer
Explorer
You may need to buy a large tank for that purpose.
"If I'm wearing long pants, I'm too far north" - 2oldman

SidecarFlip
Explorer III
Explorer III
Probably a regular compressor. Don't believe the Viair has the volume needed. You need volume, not pressure.

Good use for the compressor is inflating a blow up doll.....:p
2015 Backpack SS1500
1997 Ford 7.3 OBS 4x4 CC LB