Winter-Proofing your RV in cold locations....
We're currently on a 10 day RV trip during which we have had to change our plans.... Originally we were going to spend a few days at my favorite National Park here - Zion - but a Utah paper had sai...
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No, tank heaters are usually heating pads that are attached to the bottom surface of exposed gray and black water waste tanks. Preinstalled are often 12 volt controlled by a switch on your panel and optionally may also have 110 volt plugs attached for use when parked with external power source available. The 12 volt heaters may be used while in motion and your alternator should provide ample power to avoid battery discharge while running. On coach models that have the tanks enclosed in the basement and heated by the furnace the pads are not necessary. If you're traveling and get caught for short periods, you may wish to consider dumping the tanks and leaving them empty. For very limited use you can also poor antifreeze into the tanks but that will become expensive quickly and is not environment friendly.
