My water pump and yours should be 12v, it works without the Genny being on or Shore power, as long as the WP switch is in the on position and there is water in the fresh tank.
Yes, if you put the Dish antenna in the connection in the back, and hook the receiver to the splitter, you can watch dish on All the TV's, but it will be the same programming at once (all the TV's will show the same thing).
2014 Georgetown XL 352QS
2013 Days Camped-10 (in a rental)
2014 Days Camped-52
2015 Days Camped-53
2016 Days Camped-32