What are some of the most horrible things that could happen when you have company staying for the night? The water tank leaks its water all over the basement floor and now you have to spend valuable time away from family members by calling for emergency repair? What if your guest uses the bathroom flushes the commode, and it overflows onto the floor? What if the furnace stops working on the coldest night of the year? This one may have happened to you already. Remember the time when the sewers backed up into the basement and everyone needed a gas mask?