Most building regulations prohibit single pipe systems over ________ in length from a hot water heater or hot water recirculating line.
a. 10.5 m
b. 12.2 m
c. 15.2 m
d. 20.5 m
e. 25.5 m
Answer: C
Most building regulations prohibit single pipe systems over ________ in length from a hot water heater or hot water recirculating line.
a. 10.5 m
b. 12.2 m
c. 15.2 m
d. 20.5 m
e. 25.5 m
Answer: C