Quote:
Originally Posted by blubuckaroo
Also, I've seen videos that show blowing out the lines with compressed air, and only using a small amount of anti freeze in the drain traps.
Is there an advantage of using either method?
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It really depends on where your trailer is stored and the temperatures it will be exposed to over the winter. For instance, if you live in south Texas, using compressed air to remove "most of the water" and a small amount of antifreeze in the drain traps may be all that's needed. If, on the other hand, you live in Fargo, North Dakota and your trailer will be exposed to weeks (maybe months) of sub zero temperatures, that may be "woefully inadequate" to protect your RV.
Living in Ridgefield, WA, consider your local temperatures and plan for the worst case scenario. If you feel that the temps will seldom (or never) fall below zero, and only for an hour or so on infrequent nights, then winterize accordingly.
One thought that's always helped me decide: RV antifreeze is $2.50 a gallon. RV "plumbing repair" is $250 an hour...... So, your "investment" really depends on where you want to place the decimal.
Better safe than sorry.... YMMV