Quote:
Originally Posted by Hudsoner
This seems to be contrary to most recommendations from the "experts" in both of the large motorhome forums. There were even a few reports about sewer rats entering the tanks through the open valves.
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I have always left grey tank valve open, closing the day before to flush hose after dumping black. I've been RVing a long time and have NEVER heard of rats coming up the hose. I've had mice and squirrels get in around the access hatch but stopped that with a large sponge donut pushed in around the hose.
On our Tuscany the tanks were heated by the furnace, never had a problem, even when temp was around zero. Tank heating pads, like the ones on our Windsport, work like "heat tape" and kick on when temps drop. Shouldn't have a problem as long as they are functioning.
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