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Old 10-20-2009, 12:55 PM   #1
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Air or Antifreeze?

Hi,

I am wondering what the consensus is on just blowing out your water lines or pumping Antifreeze thru them? I realize out of 10 responses, I'll get 5 for each... I've always pumped antifreeze, but this year, I blew the lines out for now since I will be using it in a few weeks and it's been really cold here in Michigan. I originally planned to pump the antifreeze after our trip, but the air seemed quite easy. Thoughts?
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Old 10-20-2009, 01:05 PM   #2
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I use air to blow out the lines, but I put antifreeze in all of the sinks and tub drains. As far as the flush valve for the toilet, once all lines are clear I position the flush valve in the open position by propping the flush handle with a piece of pvc pipe against the cabinet. The toilet bowl flap is still close off and then add a little antifreeze to the bowl. The flush valve stays open all Winter, this will allow any moisture to either evaporate or drain before temps get down below freezing. And last the hot water tank is completely drained and the plug left out.
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Old 10-20-2009, 01:27 PM   #3
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I use air to blow out the lines, but I put antifreezes in all of the sinks and tub drains.
Ditto for me, getting the anitfreeze out of the fresh water lines is big pain in the butt. Blow the lines with air and there isn't anything to freeze. When you want to use your rig again, add water and go....
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Old 10-20-2009, 01:39 PM   #4
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Ditto for me, getting the antifreeze out of the fresh water lines is big pain in the butt. Blow the lines with air and there isn't anything to freeze. When you want to use your rig again, add water and go....

That's a big 10-4 I do not like chemicals in my water lines especially when it says "antifreeze" I don't care If it says NONTOXIC.
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Old 10-20-2009, 01:51 PM   #5
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Well, I do both.

I blow all of the lines. But I am always surprised when I go back and blow them a 2nd time, and I still get water out of some faucets. So, worried that maybe there will be small pockets of water left, I then pump antifreeze through all of the lines, and then blow the lines again. That way if there are any pockets that won't totally blow out, it will be antifreeze laying there instead of water.

I capture the blown out anitfreeze, and use it in the traps, and also the gray and black tanks after I completely empty those. 2 gallons of antifreeze total to do everything.

Next spring I will flush all of the lines really good just in case it is antifreeze left in those pockets, then sterilize the fresh water tank and all of the lines,flush again, and I am good to go.
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Old 10-20-2009, 03:19 PM   #6
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40 PSI Compressed Air through the lines starting in the front and working back. I pour antifreeze in the drains and the top of the toilets. I use to use antifreeze throughout but the pain it is to remove and the expense of it is a deterent. Besides it isn't any better than blowing compressed air through the lines. Just make sure you do everything all faucets, toilets, both indoor and outdoor showers, by-pass the water heater and drain it. Be sure the water is drained out from your water storage tank to the water pump. I always pull the check valves to the hose connections as well. Once I'm sure I've removed 99.99% of the water I drain the grey water tanks and pour antifreeze in all the drains to fill the traps and top off the seals in each toilet.
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Old 10-20-2009, 03:40 PM   #7
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Ditto for me, getting the anitfreeze out of the fresh water lines is big pain in the butt. Blow the lines with air and there isn't anything to freeze. When you want to use your rig again, add water and go....
X5
if we leave the rig in the winter
i blow out the lines, fill the p traps and add some to the toilet bowl so the seal doesnt dry out
open the drain valves
drain the water heater


this way when we come back its just a matter of closing a few valves, purging the lines and we are in business again
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Old 10-23-2009, 08:30 AM   #8
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I blow the lines out and leave the faucets open. If I know the temps are going to drop below 15 degrees, I'll add antifreeze just to be sure that any water that didn't get blown out or evaporate doesn't freeze. No problems yet, but In Montgomery Alabama 15 degrees doesn't happen often. I do put antifreeze in toilet and traps.
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Old 10-24-2009, 08:06 PM   #9
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Originally Posted by mtnguy View Post
Well, I do both.

I blow all of the lines. But I am always surprised when I go back and blow them a 2nd time, and I still get water out of some faucets. So, worried that maybe there will be small pockets of water left, I then pump antifreeze through all of the lines, and then blow the lines again. That way if there are any pockets that won't totally blow out, it will be antifreeze laying there instead of water.

I capture the blown out anitfreeze, and use it in the traps, and also the gray and black tanks after I completely empty those. 2 gallons of antifreeze total to do everything.

Next spring I will flush all of the lines really good just in case it is antifreeze left in those pockets, then sterilize the fresh water tank and all of the lines,flush again, and I am good to go.
Pure genius! I should try this method where you blow out the antifreeze!
I live where it gets so cold, life should cease to exist! MY ANTIFREEZE FROZE last year and busted my water filter to pieces!
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Old 10-24-2009, 09:05 PM   #10
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I just do anti-freeze. Takes me 4.5 gallons. I really like the idea to use air/anti-freeze/air. Might try that next year.
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