What happens if gas piping is not properly sized according to standards?

When gas piping is not properly sized according to established standards, it can lead to excessive pressure drops throughout the system. Proper sizing of gas pipes is crucial to ensure that an adequate volume of gas can reach the appliances without significant reduction in pressure. If the pipes are too small for the demand of the appliances connected to them, the pressure drop can cause insufficient gas flow, resulting in appliances not operating correctly. This can manifest as reduced heating output, poor combustion, and potential safety issues. In contrast, if the piping is correctly sized, it supports efficient gas delivery, facilitating optimal appliance performance and combustion efficiency. Therefore, understanding and adhering to the gas piping sizing standards is vital for safe and effective gas installation systems.