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Old 10-07-2013, 10:52 PM   #1
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Winterizing / Attachment To Air Compressor To Blowing Out Water Lines

I have a question about the "right tools for the job" when blowing out water lines to winterize.

I use the Camco plastic blow out plug:

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And then I try to use one of these attachments that came with the air compressor. However, none of them fit just quite right. The black one is a little too big (so some of the compressor air escapes around the edges). The blue one is pretty close but I need to hold it right on top of the hole in the Camco plug (so again, some of the compressor air is escaping around the edges).

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Is there some other attachment to the air compressor that I should be using?

Thanks!
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Old 10-07-2013, 10:58 PM   #2
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You should have purchased one that has a built in air stem in it. Then you can clip the air nozzle from the compressor to that.
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Old 10-07-2013, 11:01 PM   #3
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Camco RV Winterization Blow Out Plug Brass 50PSI Max Z | eBay

Ball Tire Inflator Air Chuck Clip Type Right Angle DIY Automotive Brass 1 4" NPT | eBay
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Old 10-07-2013, 11:06 PM   #4
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X2 Ford Idaho....you beat me to it. Just be sure to NOT go over 30 psi when blowing out lines.
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Old 10-07-2013, 11:07 PM   #5
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OP here again: A-ha. So it sounds like I got an el-cheapo blow out plug. I should have gotten a brass one that has a stem in it almost like a tire. Then I could use the attachment on the air compressor that I use to inflate tires. Please advise if that's NOT right. Thanks!
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Old 10-07-2013, 11:10 PM   #6
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Quote:
Originally Posted by paulmlac View Post
OP here again: A-ha. So it sounds like I got an el-cheapo blow out plug. I should have gotten a brass one that has a stem in it almost like a tire. Then I could use the attachment on the air compressor that I use to inflate tires. Please advise if that's NOT right. Thanks!

You got it!


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Old 10-07-2013, 11:36 PM   #7
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I got an el-cheapo adapter (about $1.89) from Wally World's RV section that had a Schrader tire valve-size on one side and a male hose-thread on the other. I use the tire inflation thingy on the compressor hose and it fits the Schrader-like connection just fine.

With the compressor tank at 120 psi and the output regulator set for 30 or so, I can blow most of my system out without the compressor coming on again. Of course, the water heater is out of the circuit with the bypass valve. A cup full of the pink stuff in the sink drains and the shower drain and we're set.

Three winters so far and no problems. Bear in mind that a really nasty freeze here is down to around 25F and doesn't last more than two nights. Daytime highs are rarely below about 36. A harsh climate it's definitely not, which is one reason we live here.
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Old 10-08-2013, 06:45 AM   #8
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Or you can use a small piece of tygon tubing between blow plug and your red air adapter.
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Old 10-08-2013, 07:17 AM   #9
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http://www.amazon.com/gp/aw/d/B00BVU...110_SY165_QL70

This is the one i have used. It actually has the quick connector for the air compressor rather than a tire valve. I also purchased an inline filter to keep any oil, dirt, etc from the compressor out and attach that to my 90 deg elbow so it hangs down not out.
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Old 10-08-2013, 08:21 AM   #10
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I use the same as the photo below except all I have is a brass water hose
fitting that's screwed directly to a male air quick connect.
Like the photo with the center stuff missing....

Since my water pressure regulator is typically set at 40 I don't
worry about air pressure more than that.
I usually have a faucet open at all times during the blow out so I don't
even use an air regulator. Just plug on the air hose and stand back.
That open water heater drain has sprayed me too many times!
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