Eomer
Trakanon Raider
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- 272
Sch 40/80 is a pipe size standard, not a particular material. It can be black carbon steel for gas/heating, galvanized steel or PVC for domestic cold water, CPVC for domestic hot water or heating, yadda yadda. Copper tube size is another standard, as is SDR.Schedule 40 for drain pipe, pex is pressure pipe.