A piping system that has the main supply pipe from the boiler enter the first baseboard unit, all baseboard sections connected in series, and the outlet from the last baseboard section connected to the circulator pump, which connects to the boiler, is called a:
A) Series loop, single circuit hot water piping system.
B) Two-pipe, reverse return hot water piping system.
C) Series loop, double circuit.
D) One-pipe, venturi piping system.
A
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