Originally Posted by BarbRude
I'm hoping we didn't mess up, the tank warmer for our fresh water tank was on for 13 hours while the tank was empty. Could we have a problem, like a melted fresh water tank? Any advise will be appreciated.
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Really, depends on what material your freshwater tank is made of. If it's a common rotationally molded polyethylene tank, it may have caused the bottom to droop a bit because polyethylene is a polymer that softens with heat. Though, it's more likely a non-thermostatically controlled pad would burn out before that. However, unless something has changed
, FR uses thermostatically controlled 12VDC pads when the Arctic Pack or heated tank option is ordered. So as soon as the temperature reaches 65 degF they cut off.