You better drain the water or put some kind of heater in your coach and open all the drawers so that the heat can work its way to where the pipes are. Yes 27 degrees is cold enough to do some damage to your pipes.
2002 Gulf Stream Scenic Cruiser
330 HP Caterpillar 3126-E
3000 Allison Transmission
Neway Freightliner chassis
2017 Buick Envision