winterizing with compressed air
I have a 2004 Fleetwood Bounder which I have always winterized with anti-freeze in the lines. Last fall I was talked into having it done with compressed air and yesterday, when I hooked up the water ...
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larry cad wrote:JaxDad wrote:
It might just be easier to learn how to do it properly.
Even more interesting is the mode of failure. The water control valve has a threaded hole in the bottom, and there was a nylon 1/2" pipe plug in it. In the top side of the pipe plug, was a depression molded in during manufacturing. If you look at a nylon pipe plug, you will see it. Since the depression was facing up, it remained filled with a tiny bit of water during the winterizing. During the winter, it froze and cracked. When I put water into the system, it ran out the crack.
So, as suggested above, I learned how to do it properly. Properly would be to remove the wall around my shower every winter, remove the plug, empty out the tiny bit of water remaining after I use compressed air, replace the plug, and my RV is winterized.
Or, I can just use the gallon of pink stuff I always had used in the past. Even though I now know how to do it "properly"!!
:S
You’re trying to tell us a drop of water in the depression on top of a 1/2” pipe plug froze and burst a pipe?
Seriously?
Water expands by 9% when it freezes. A drop of water did not expand enough to burst anything but your story.
You either used way too small a compressor (probably one with little or no tank on it) or just plain did not blow the system out properly.
I winterize both of my units using air only numerous times a year and have for 20++ years.
