When filling a hot water system prior to putting it into service, it is most important to:

When filling a hot water system prior to putting it into service, it is most important to:

When filling a hot water system prior to putting it into service, it is most important to:




a. Close all valves and fill the system quickly
b. Filter the water
c. Remove the safety valve
d. Vent all air
e. Deaerate the water





Answer: D


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