Winterize fresh water gravity fill tube?
My Keystone Challenger has a fill tube that does not drain when finished filling.. it has a low point as it comes in high, then drops along frame and goes into tank top. My question is this, does thi...
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Even when just left alone, as long as it is not constricted anywhere so any ice that forms has plenty of room to expand, no damage would be done to the fill tube. A shot of RV antifreeze is just fine if it makes you feel better but probably not necessary.
