I read on a RV website about heated tanks and have not found anything about it in my paperwork after purchase. Really just wanted to see what all bells and whistles line for line came with my unit. I guess like a car sticker would have.
From what I understand, there are no heat pads on the tanks. The "heating" is done by a heat duct that runs into the underbelly area around the tanks. As long as the furnace is running, they are heated.