[jimcol]

Jerry, Just a couple of questions. Have you been running the furnace the entire time or using portable heaters inside the rig? If you been running the furnace the belly should have stayed warm enough to prevent freezing pipes. If you were using heaters that belly where the water lines are gets mighty cold mighty fast. If that is the case get as much heat down there as quick as you can. Make sure you put the heater behind the wall seperating the storage area from the belly area. Are you hearing the pump run when you open an inside faucet? If you are not hearing the pump run you might want to check and make sure you don't have a 12 volt issue. I'd start at the DC fuse panel and work my way back to the pump. Good luck and let us know what you find. Jim