> Copper is used for pipes. They are much more expensive than plastics. According to my plumber, who now does all plastic, plastic is indeed cheaper, however,

> Copper is used for pipes. They are much more expensive than plastics. According to my plumber, who now does all plastic, plastic is indeed cheaper, however, connectors are more expensive, so in the end, it ends up being about the same price. He does plastic mostly because it is easier to work with. I believe it is just manufacturers making bigger margins, it is impressive how expensive all these small parts are. And yes, it is a sign of the industry adapting. It is just that if may not reflect on the final price the consumer pays.