What is one of the main factors in determining the size of gas piping according to gas code?

The size of gas piping is primarily determined by the maximum volume requirements of connected equipment because ensuring that the equipment receives an adequate supply of gas is critical for its safe and efficient operation. Properly sizing the gas piping ensures that there is sufficient gas pressure and flow to meet the demands of the appliances being used. If the piping is too small, it can restrict gas flow, causing appliances to perform poorly or even potentially leading to dangerous conditions.

By considering the maximum volume requirements, technicians can ensure that the gas supply will meet the needs of all connected appliances, accounting for factors such as BTU ratings and the simultaneous usage of equipment. This focus on the operational demands of the equipment aligns with gas codes designed to enforce safety and efficiency in gas installations.