I have a place in Northern Az. that I'm upgrading the leach field on. I'm very confused about the different style of pipe I've encountered. Standard ABS pipe doesn't fit anything in my leach field. A vendor told me I need to puchase SDR 35 pipe that he says is schedule 35. I looked at the pipe and it is not a schedule 35. No SDR pipe fittings, fit on ABS pipe. There is also a pipe called NDS. Why isn't ABS used in the leach field? Why wouldn't the SDR and NDS pipe remain a standard o.d size? What about glue?
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