From: wolverine01@charter.net   
      
   So my base plate is shipped and supposed to be here tomorrow.  I will be   
   ready for some cold weather traveling.  I get that my fresh water is   
   inside the coach and as long as it is kept warm should not freeze.  Tank   
   heaters on the gray and black tanks on the underside of the frame are   
   supposed to keep them from freezing.  My question is on the Truma   
   on-demand water heater.  I asked my brother about this but his class A   
   has a 10 gallon tank heater, so he had no advise on this.   
      
   I suppose before leaving the mid-west and heading to warmer regions, I   
   could simply fill my tanks and leave the rest of the RV winterized.  But   
   for discussion, say I'm leaving a warm area and heading into cold.  Is   
   it true that turning the power on to the Truma which is located on an   
   outside wall with a vent, enough to keep it from freezing up?  Obviously   
   you'd have to winterize as soon as you stopped running the vehicle, but   
   what about during transport?  If you have the tank heaters on, the   
   inside of the RV heated, and the power to the Truma on, are you safe   
   from freezing?   
      
      
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