Which material is best suited for hot and cold water supply piping?

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Copper is the best material for hot and cold water supply piping due to its excellent thermal conductivity, which allows it to efficiently transfer heat. This property makes it particularly suitable for hot water systems, as it can handle elevated temperatures without degrading or losing performance.

Additionally, copper is highly resistant to corrosion, which extends its lifespan when used in water supply systems. This durability is vital for maintaining water quality and ensuring the safety of the water supply. Copper pipes can also withstand high pressures, making them suitable for both hot and cold water applications.

While other materials like PVC, galvanized steel, and cast iron have their own applications, they fall short in specific areas regarding water supply. PVC is not suitable for hot water due to its lower temperature tolerance, galvanized steel can corrode and may impart undesirable tastes or rust to the water, and cast iron is heavy and prone to rust, which can also affect water quality. Thus, copper stands out as the preferred choice for both hot and cold water supply systems.

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