Bottled water cooler with hot water sterilization system

A bottled water cooler with hot water sterilizing system comprising:

• a water bottle,
• a cold tank installed on top of the bottled water cooler, the bottled water cooler having a bottle receptacle with a bottle receptacle groove, said groove having a probe connecting with said water bottle,
• the cold tank having a baffle with a hollow baffle leader located under the probe, one end of the baffle leader connected to a hot tank connecting tube,
• a hot tank installed under the cold tank,
• the hot tank connecting tube connected to a three way pipe, said three way pipe comprising a draining pipe and a hot tank inlet or hot tank draining pipe,
• a tank baffle located between the cold tank and the hot tank,
• the hot tank having a hot tank outlet,
• a hot tank exhausting tube connected to the hot tank and the cold tank with a valve within said hot tank exhausting tube for opening and closing said hot tank exhausting tube,
• a check floating seal fitting which includes a floating board which has a specific gravity of less than water and greater than 0.96 for selectively sealing an opening of the probe.