I have never done that, and have suffered no consequences from it. I believe the lines would drain when the water does from the hot water heater, but don't know that to be fact. I still have to go to the rig in storage and blow the black tank flush out with air, since I forgot to do that part.
Bingo
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Bingo and Cathy - Our adventures begin in the hills of WV. We are blessed by our 2014 3850FL Big Sky (previous 2011 3750FL and 2007 3400RL) that we pull with a 2007 Chevy Silverado Classic DRW CC dually.
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