Which of the following is NOT a component of safe gas appliance operation?

Using appliances with damaged pipes is not a component of safe gas appliance operation. In fact, it's crucial to avoid operating any gas appliance that has compromised or damaged pipes because this can lead to dangerous situations, such as gas leaks, which pose serious health and safety risks.

Ensuring proper venting is vital to safely expel combustion gases and prevent the accumulation of harmful substances in the living environment. Regular maintenance checks help ensure that all components of a gas appliance are functioning correctly and safely, which reduces the risk of malfunctions. Following safety guidelines is essential for operating gas appliances safely, as it encompasses best practices for handling, using, and maintaining these devices.

Thus, using appliances with damaged pipes directly contradicts the fundamental practices of ensuring safety when operating gas appliances.