All codes require a vacuum breaker to be installed on a water heater.
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Q1: Direct-fired water heaters may be tank or
Q2: It is usually desirable to pipe the
Q3: Scale can build up on the inside
Q4: Because instantaneous water heaters are smaller and
Q5: According to the National Standard Plumbing Code,
Q7: A storage tank added to an instantaneous
Q8: Scaling can lead to mineral buildup in
Q9: Indirect-fired water heaters use steam, hot water,
Q10: The location of a temperature-and-pressure relief valve
Q11: Circulating hot water in a loop helps
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