What might indicate a need for a hydrostatic test in a plumbing system?

The need for a hydrostatic test in a plumbing system is primarily indicated by frequent leaks. A hydrostatic test involves filling a section of the plumbing system with water and applying pressure to identify leaks or weaknesses within the pipes. When there are continuous leaks, it suggests that there may be significant issues with the integrity of the piping, such as cracks or deterioration, which can worsen over time if not addressed. Conducting a hydrostatic test allows plumbers to pinpoint the exact locations of these leaks, facilitating timely and effective repairs.

Clogged drains, low water pressure, and excessive water bills may suggest plumbing issues, but they typically do not point directly to the need for a hydrostatic test. Clogged drains may require cleaning rather than pressure testing, low water pressure can have various causes not related to leaks, and excessive water bills may indicate leaks or other inefficiencies but do not confirm the need for a pressure test on their own without further evidence of leaks.