Posted: Sat Aug 19, 2006 10:25 pm
sch 40 has nothing to do with pressure. Sch 40 is the thickness of the pipe.
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Posted: Sat Aug 19, 2006 11:14 pm
look for "sch" on pipe but NSW-NF or something along those lines could someone correct me im not sure if its NSW-NF something like that
Posted: Sat Aug 19, 2006 11:22 pm
For combustions all really need to do is make sure it doesn't say "Cellular Core" on the pipe.
NSF-PW = "Potable Water" and is pressure rated.
NSF-DWV = "Drain, Waste, Vent" and is sometimes pressure rated.
It's only pressure rated if it has a pressure rating printed on the pipe.
Sch. 40 is the size and has nothing to do with the pressure rating of the particular pipe.
NSF-PW = "Potable Water" and is pressure rated.
NSF-DWV = "Drain, Waste, Vent" and is sometimes pressure rated.
It's only pressure rated if it has a pressure rating printed on the pipe.
Sch. 40 is the size and has nothing to do with the pressure rating of the particular pipe.