What piping material is generally not used in domestic water systems?
PVC
PVC is not allowed in domestic water supply piping, but it is used in waste piping applications.
Can you use PVC for hot water lines?
The main drawback to PVC pipe is the fact that it cannot be used with hot water applications. When exposed to hot water, PVC will warp. This means it cannot be used to deliver hot water to sinks, tubs and washing machines.
Is it legal to install a piping system under a building?
Piping installed underground beneath buildings is prohibited except where the piping is encased in a conduit of wrought iron, plastic pipe, steel pipe, a piping or encasement system listed for installation beneath buildings, or other approved conduit material designed to withstand the superimposed loads.
Is it legal to use galvanized pipe for water mains?
Some water service line material such as lead and galvanized pipe are no longer legal to install or to repair in certain areas, such as in New York City. Also note that plastic as a water service line material has never been legal in NYC for use; therefore it is not explained in this tutorial.
Are there any restrictions on using plastic pipe in plumbing?
It may be hard to believe, but limitations still exist on the use of plastic pipe in plumbing systems. Some of these limitations are in areas of the country that may shock you. If you guessed New York City, Chicago and San Francisco, you are correct. All three of these metropolitan cities have some crazy plastic pipe limitations.
Is it legal to use plastic pipe in Chicago?
In commercial construction, plastic pipe is prohibited in all applications. Chicago is actually more restrictive than New York City. The use of plastic pipe for water systems is limited to CPVC for secondary or reclaimed water piping systems.
Piping installed underground beneath buildings is prohibited except where the piping is encased in a conduit of wrought iron, plastic pipe, steel pipe, a piping or encasement system listed for installation beneath buildings, or other approved conduit material designed to withstand the superimposed loads.
Some water service line material such as lead and galvanized pipe are no longer legal to install or to repair in certain areas, such as in New York City. Also note that plastic as a water service line material has never been legal in NYC for use; therefore it is not explained in this tutorial.
In commercial construction, plastic pipe is prohibited in all applications. Chicago is actually more restrictive than New York City. The use of plastic pipe for water systems is limited to CPVC for secondary or reclaimed water piping systems.
It may be hard to believe, but limitations still exist on the use of plastic pipe in plumbing systems. Some of these limitations are in areas of the country that may shock you. If you guessed New York City, Chicago and San Francisco, you are correct. All three of these metropolitan cities have some crazy plastic pipe limitations.
