WINTERIZING: updated Oct. 29, 2013 - Page 9 - Escape Trailer Owners Community

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Old 10-21-2014, 08:09 AM   #81
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My method in winter:

Go camping.
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Old 10-21-2014, 10:50 AM   #82
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Quote:
Originally Posted by gbaglo View Post
Which is why I went back to anti-freeze. When you see pink coming out of the tap you know you're good to go.
Unless you're in Massachusetts.
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Old 10-21-2014, 12:06 PM   #83
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Quote:
Originally Posted by rbryan4 View Post
My method in winter:

Go camping.
Hi: rbryan4... Our best winterizing hint is "Head South". 8) Alf
escape artist N.S. of Lake Erie
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Old 10-21-2014, 12:11 PM   #84
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Just to be different, I use the HW bypass, drain the HW tank, use the winterizing connection and run antifreeze in via the pump, after getting the pink at all the spigots and the toilet I blow it out. Takes about a gallon, it all ends up in the traps and beyond. Had the shower fixture freeze and crack one year when I left the antifreeze in. From what I've heard, in cold weather the antifreeze will turn to slush, must have been enough to crack the plastic shower control.
Bob I do about the same thing, except I just burp the pump a couple times at the end to empty it and then use the low point drain and all the taps open to drain our most of the remaining antifreeze rather than blowing it out again. Your way may be my next.

Finding a new full bottle of antifreeze frozen into thick slush last year made me wary of leaving it in. And now with so much of it being ethanol, I try to drain it out of they grey and black lines so that the ethanol isn't sitting against the valves all winter.
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Old 10-21-2014, 12:37 PM   #85
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Okay, let me get this straight:

RV Antifreeze makers are now using ethanol in their products and that could be harmful to rubber seals and or valves.
RV Antifreeze now freezes into a thick slush in some instances.
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Old 10-21-2014, 12:42 PM   #86
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Quote:
Originally Posted by J Mac View Post
Okay, let me get this straight:

RV Antifreeze makers are now using ethanol in their products and that could be harmful to rubber seals and or valves.
RV Antifreeze now freezes into a thick slush in some instances.
As far as I can tell you got it straight. Nice product, eh? Good argument for the blow out method. Last year I didn't know about the ethanol yet. I had a couple of different brands, as I thought it was all the same and picked up whatever was on sale. Only one bottle that was thick slush, I wish that I had read ingredients to see what was different.
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Old 10-21-2014, 12:58 PM   #87
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is this slush caused by the introduction of ethanol?
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Old 10-21-2014, 01:05 PM   #88
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is this slush caused by the introduction of ethanol?
Had I been smart enough to look carefully at which bottles turned to slush and which didn't we would have some info on that. I was just shocked when I saw it, and starting reading that it has always done that? Supposedly it can freeze, but not expand like water does.
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Old 10-21-2014, 02:59 PM   #89
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Frozen toilet valves seem to be the most worrysome trouble spot because they are expensive to replace and hard to get to. This hedge has been posted before: install toilet feed shut off.
Attached Images
File Type: jpg ToilVal3.jpg (150.4 KB, 11 views)
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Old 10-21-2014, 07:30 PM   #90
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Quote:
Originally Posted by J Mac View Post
Okay, let me get this straight:

RV Antifreeze makers are now using ethanol in their products and that could be harmful to rubber seals and or valves.
RV antifreeze has long been a mix of water with either ethanol or propylene glycol or both, plus some minor additives, so this use of ethanol is not new. Perhaps ethanol content has been rising or ethanol-based products are becoming more common - I don't know.

Quote:
Originally Posted by J Mac View Post
RV Antifreeze now freezes into a thick slush in some instances.
RV antifreeze is not as "strong" a solution as automotive coolant, and is further diluted by any remaining water in the system being protected. This is why the RV/plumbing antifreeze manufacturers refer to "burst protection" rather than "freeze protection": it is okay for plumbing protection that it gets slushy, as long as it doesn't reach the point of expanding and thus bursting plumbing. So, it has always become slush at the bottom of its rated temperature range.

For comparison, as the temperature drops water gets more dense (contracts) until about 4 degrees Celcius (40 degrees F), but then it expands as it further cools (which is unusual for a liquid) and expands in a big step as it freezes (again unusual)... so freezing water bursts containers, including plumbing.
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