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Plumbing Questions Answers
D12jacks
Sep 14, 2014, 03:40 PM
What is the proper pitch for sewer drain in house?
Milo Dolezal
Sep 14, 2014, 04:18 PM
Hello D12jacks,
For sewer and drain pipes up to 3" in diameter, it is 1/4" per foot
For 4" pipe, it is 1/8" per foot
Hope that helps
Milo