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Old 10-11-2012, 11:19 PM   #11
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From experience, if you blow, youd better be sure you have no water that collects in thr pump. Also, be sure you have a separator to catch thr moisture in your air. I almost froze one up by just blowing out the lines. The"mist" as called above settles in the low point, or in many cases, the pump. That collection water freezes in thr impeller and cracks the vanes. Thankfully, I forced antifreeze into the pump and broke it loose before damage. I immediately filled all the lines with antifreeze and will never blow out the lines alone... antifreeze is too cheap. I remember people a few years ago crabbing about the cost of antifreeze and looking into cheap booze to reuse every year. If you think antifreeze is too expensive, how could you afford fuel to drag your trailer?

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Old 10-12-2012, 08:43 PM   #12
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Originally Posted by usmc616 View Post
I use an air compressor to blow out the lines before I pump the pink stuff in. I like to use the air first to flush out any deposits in the water lines since alot of the CG's we go to have hard water.
I do the same, antifreeze is just too cheap to not use.

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Old 10-13-2012, 02:55 PM   #13
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I did both (blew out the lines & used RV antifreeze) cause that's what the dealer said to do. I also asked if I could skip the blowing out part but he said we need to do both. I agree with the others that the antifreeze is just a small price to pay. Mine took just under 2-gallons and at $3/gal that's only $6 to be "safe & sound" during the winter. This year was my first time winterizing a camper as we just purchased ours in March. Running water through the lines to clean them out in the spring was easy when we used it for the first time in May. Can't wait to go camping again next year....
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Old 10-15-2012, 08:49 PM   #14
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Hi USMC616, I am originally from orange co. I agree with using air first to flush out deposits and then add the pink. I close up my cabin the same way for the past 12 years and have not had any problems. I would caution that the lines in the TT or RV are a little more fragile and reduce the pressure.
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Old 10-16-2012, 06:09 AM   #15
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Air OR anti freeze. There is nothing to gain by doing both. If you are using a filter (as you should) for all water entering the RV there should be no sediments in your lines. Even if there are sediments the air will not expel them any better than the anti freeze would. JMO.
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Old 10-27-2012, 10:34 AM   #16
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As said above - do one or the other, not real point in doing both.

I use air, but that is mainly because I am in TN where it doesn't really get below freezing for too long, and I camp several times during the winter. For me, the advantages are that it's quick to do, and even quicker to get back into "camping mode" by just hooking up water.

If I lived up north where it got below freezing for long periods, and I knew I wouldn't be camping for several months Iwould probably use the pink stuff too.
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Old 10-27-2012, 07:24 PM   #17
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I use the 12VDC portable "TANKLESS" air compressor and the blow-out plug adapter for the city water inlet. I just setup and start the compressor which is slow to build up pressure since it is tankless. This gives me plenty of time to walk around each spigot and bleed each line. I usually go to all spigots around twice. I also drain the fresh water tank. When all done with blowing out the lines then I will add a little pink stuff to the P-traps. The big plus for me using the blow-out method is when camping off the power grid. This only takes a few minutes to do and I can get all of the water out of the lines for those freezing nights you might run into. Then the next morning it is easy to just start using water again.

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Old 10-27-2012, 07:42 PM   #18
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Con would be to use to much pressure. I reduce my compressor output to less than 40 lbs psi.
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Old 10-27-2012, 08:05 PM   #19
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One of my commercial tenants is a RV tech, he highly recommends RV antifreeze vs using air...he says that he has done alot of repairs for burst pipes and tanks from customers using air only....I was going to use air and thought better of it.....it was much easier to add antifreeze since my trailer was already equipped with the winterizing kit.
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Old 10-27-2012, 09:45 PM   #20
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how do you collect it? With a funnel at the low points?

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