Why is it important to pressure test a completed piping installation?

Pressure testing a completed piping installation is crucial for several reasons related to safety and functionality. Primarily, it assesses the integrity of the piping system to ensure that there are no leaks, which could lead to hazardous situations, especially when dealing with gases or high-pressure fluids.

Additionally, pressure testing verifies that the system complies with relevant codes and standards that govern plumbing and piping installations. These codes are in place to ensure not only the safety of the installation but also the reliability of the system over time. A properly pressure-tested system can prevent costly damages due to water leaks or system failures that may happen if undetected issues are left unresolved.

The other options do not address these critical aspects. For instance, while aesthetics, insulation, and temperature control are important considerations in a piping system, they do not directly impact the immediate safety and operational effectiveness that pressure testing provides. Thus, ensuring integrity, leak prevention, and compliance with codes is paramount in guaranteeing that the piping installation is both safe and functional.