A swimming pool with a new 40,000 btu heater has been added. The total btu demand prior to the installation was 96,000 btu. The resultant new developed length of the piping system is 65`. Size the new yard line.

A swimming pool with a new 40,000 btu heater has been added. The total btu demand prior to the installation was 96,000 btu. The resultant new developed length of the piping system is 65`. Size the new yard line.