Steam boilers generate steam by heating water above 212°F, while hot water boilers heat water to lower temperatures without boiling it. The correct answer is A: A hot water boiler does not actually boil the water. This highlights the primary operational difference between the two types of boilers.
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Steam boilers heat water to produce steam, while hot water boilers heat water without reaching the boiling point. The correct answer to the question about their differences is that a hot water boiler does not actually boil the water. This distinction is important for understanding their functions in heating systems. ;