[QUOTE=Brett47;39086]I don't understand this, "There is a feature that backs up the heat at 41 degrees even if turned off and batteries removed." I assume your furnace runs on propane, right? If the propane is turned off for storage, how can back up heat be turned on? I have a 2006 BT Cruiser.[/QUOTE
If you live in a cool climate (I am in Montana) it can and will go below 41* at night virtually any time of year. We often have to cover tomato plants etc to ward off freezing temperatures in June, and even have had the rare snowfall in July and August. So September and October can see lots of nights close to or below freezing. Turning off the gas between outings is good practice, and would certainly avoid loss of propane, though there is at least one online complaint about finding the fan running. In that case, however, the individual had left the propane on. Not sure if it would continue attempting to turn on the furnace or cause the fan to run if the propane were turned off. In any case, problem solved.