Quote:
Originally Posted by trader4
Which matters not a wit. Following that logic, a home water heater should
explode instead of the relief valve opening if the pressure goes beyond
normal. A water heater has no air at all. Air isn't required for a pressure
relief valve to open. Good grief.
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Ok genius, you explain why overfilling an expansion tank with coolant shouldn't be a problem with out using the word water heater
