Which of the following statements about pressure relief valves is false?
a) The valve may be installed anywhere in the hot water system close to the heater or tank.
b) The valve must be directly connected to a drain or vent pipe.
c) The valve is opened by pressure in the line surpassing a preset pressure set on the spring in the valve.
d) The valve is automatically closed when the water line pressure drops below the spring pressure setting.
e) None of the above.
Show Answer
Answer: b