What can be a consequence of thermal expansion in plumbing systems?

Thermal expansion occurs when the temperature of water in the plumbing system increases, causing the water to expand. This expansion can lead to increased pressure within closed systems, potentially putting stress on joints and fittings. When these components are not designed to accommodate the additional pressure or movement caused by thermal expansion, they can fail. This failure may result in leaks, which compromises the integrity of the plumbing system and can lead to water damage, increased maintenance costs, and safety hazards.

Properly designed plumbing systems incorporate expansion joints or other methods to manage the effects of thermal expansion, helping to prevent joint failure and leaks. Recognizing the impact of thermal expansion is crucial for plumbers to ensure systems are reliable and long-lasting.