How to Choose Water Supply Piping

In the video ‘How to Choose Water Supply Piping | This Old House,’ Richard Trethewey discusses the tips on choosing water supply piping. The following tips should help you make informed decisions as you move forward with your water piping project:

Types of Pipes

Different types of pipes are used for the water supply system. There are four choices, galvanized steel, copper, plastic, and cast iron. A lot will depend on what your local codes dictate as acceptable material for drinking water systems.

Connection and Fittings

Water supply pipes are made of many types of materials with different properties.


Video Source

Its planned use and environment largely determine the material selection. However, some generalizations can be made based on application.

Cost of Piping

Water supply piping materials are chosen primarily based on price. A choice is influenced by several factors, such as source and quality of water, requirements for strength and durability under varying conditions, application in terms of pressure or rate of flow, service conditions, special design features, available construction methods, and economy.

Water supply piping is the most important system in a house, especially due to the limited safe water supply in different parts of the world. When you purchase this equipment, choosing the correct size of tubing and pipe fittings is necessary for the proper installation of hot and cold water in a house.

In the video ‘How to Choose Water Supply Piping | This Old House,’ Richard Trethewey discusses the tips on choosing water supply piping. The following tips should help you make informed decisions as you move forward with your water piping project:

Types of Pipes

Different types of pipes are used for the water supply system. There are four choices, galvanized steel, copper, plastic, and cast iron. A lot will depend on what your local codes dictate as acceptable material for drinking water systems.

Connection and Fittings

Water supply pipes are made of many types of materials with different properties.


Video Source

Its planned use and environment largely determine the material selection. However, some generalizations can be made based on application.

Cost of Piping

Water supply piping materials are chosen primarily based on price. A choice is influenced by several factors, such as source and quality of water, requirements for strength and durability under varying conditions, application in terms of pressure or rate of flow, service conditions, special design features, available construction methods, and economy.

Water supply piping is the most important system in a house, especially due to the limited safe water supply in different parts of the world. When you purchase this equipment, choosing the correct size of tubing and pipe fittings is necessary for the proper installation of hot and cold water in a house.

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