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Old 11-18-2015, 04:19 PM   #15
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$59. This is all you need for light duty air compressor. It won't run automotive tools but for filling tires, winterizing and blowing off dusty areas its sufficient.

http://www.amazon.com/Campbell-Hausf...7885023&sr=1-4
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Old 11-18-2015, 04:34 PM   #16
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Perfect! Plus at 16" x 8" x 20" -- and weighing only 19 pounds -- this compressor could live in the tow vehicle as another versatile tool.
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Old 11-18-2015, 05:03 PM   #17
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Quote:
Originally Posted by Siegmann View Post
As stated by Wingeezer:

"If you don't want to get a proper compressor to blow out your water system, why not just bypass and drain your HW tank, and then use your water pump in the trailer to pump in a couple of jugs of plumbing antifreeze? It will push out the water as you introduce it, and any small amount left mixed with the antifreeze will not be a problem"


+1. I never understood why some blow-out and then also pump antifreeze.

I never did both before I owned the Airstream, but the Airstream owner's manual says do both-
I used to do antifreeze only in my previous trailer-
When I asked why do both, the answer was that if there is still water in the system it will still freeze and cause damage.
If you just pump antifreeze in with water still in the system, the antifreeze will be diluted and not protect to as low a freezing point.
It made sense to me. I make a BIG payment on my Airstream every month- I don't want ANYTHING to happen to it!



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Old 11-18-2015, 05:03 PM   #18
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Quote:
Originally Posted by KJRitchie View Post
$59. This is all you need for light duty air compressor. It won't run automotive tools but for filling tires, winterizing and blowing off dusty areas its sufficient.

http://www.amazon.com/Campbell-Hausf...7885023&sr=1-4

May consider it- next payday-


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Old 11-18-2015, 05:52 PM   #19
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Buy a compressor...I can see owning things with tires and no way to keep them inflated.
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Old 11-18-2015, 06:11 PM   #20
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M.hony, I had the same concern about diluting the antifreeze. Early on I did a test by putting some straight out of the bottle into a small clear container. I then pumped, the antifreeze out of a faucet, till it turned pink, and then captured this in another small clear container. Visual comparison indicated no obvious dilution. I concluded that the diameter of the pex lines are so small that they do not allow mixing beyond a small portion of the leading stream. Plus I have been winterizing about twice a year for 17 years this way. Usually at least one of those times each season my rig will experience a hard freeze (into the 20's). I have never had any freeze damage.

Since I'm doing this with the pump, and not at the city water hook-up, I also have to open the exterior valve at the no-fuss flush (in addition to all the interior plumbing).
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Old 11-18-2015, 07:11 PM   #21
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So, what you're telling me is-
I can stop using the bicycle pump and not buy/borrow an air tank/air compressor?
I'm game-
I'll just do the antifreeze this time.
I have the winterizing "T" permanently installed.
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Old 11-18-2015, 07:34 PM   #22
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I thought the whole idea of blowing the water out of the system was to help prevent freeze damage which is created on a sealed system when the ice can not expand and cracks the joint.

I would think just a good blowing of the system and draining to the low point would be all you would need even in sub zero temps.

the reason water line freeze, or if a PVC or Pex pipe they just swell up, and some times crack the metal joints is due to the system being under pressure and the ice has nowhere to go causing joints or pipes to split, in the case of copper lines, where every the ice pressure is located.

blowing out the system and leaving taps open should be good,, no.. not blowing and putting in anti freeze..

confused
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Old 11-18-2015, 07:56 PM   #23
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Many people successfully blow out their systems. But you need the proper equipment and have to be thorough. With antifreeze, all you need is 1-2 gallons of it.
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Old 11-18-2015, 08:00 PM   #24
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I have one of those Stihls, it's a brute. It might blow the windows out! I don't shovel my front walk much any more, I just blow the snow off!
Yep, I do the same! as long as the snow is "dry" and not more that an inch or two, the Stihl does a great job of making a really neat job of the drive and blowing the snow of our vehicles. Otherwise, time to break out my little Honda snowblower - not for the vehicles though!

Brian.
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Old 11-18-2015, 08:04 PM   #25
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Quote:
Originally Posted by Siegmann View Post
As stated by Wingeezer:

"If you don't want to get a proper compressor to blow out your water system, why not just bypass and drain your HW tank, and then use your water pump in the trailer to pump in a couple of jugs of plumbing antifreeze? It will push out the water as you introduce it, and any small amount left mixed with the antifreeze will not be a problem"


+1. I never understood why some blow-out and then also pump antifreeze.

I do it just because I have heard that blowing the water out alone can result in some residual water pooling in the system and still causing freezing problems.

I used to do nothing but pump in the antifreeze and push the water out. I guess doing that it os not really necessary to blow the water out first, and I suppose the only reason I do both is so as not to dilute the antifreeze! Likely not necessary to do both and entirely a "Belt and braces" approach!

Couldn't hurt though!

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Old 11-18-2015, 08:21 PM   #26
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What he said-
If I am choosing between blowing out with compressed air or antifreeze, I'm going with antifreeze.


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Old 11-18-2015, 10:09 PM   #27
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Originally Posted by Wingeezer View Post
Couldn't hurt though!
Exactly my thought.

I do both and actually carry the process one step farther; blow out the antifreeze and use it in the traps.

The retention of antifreeze in the fresh water pipes is not critical over the winter time. What is critical is to eliminate the presence of water to avoid the damage from expansion.


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Old 11-19-2015, 06:24 AM   #28
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Many people successfully blow out their systems. But you need the proper equipment and have to be thorough. With antifreeze, all you need is 1-2 gallons of it.
X2 I run pump dry. Open petcocks underneath trailer. Bypass heater and remove plug. Pump antifreeze through lines and into traps. Never thought about the inlet line from hookups.
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