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What is the minimum recommended slope for a horizontal drain pipe?

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The minimum slope for a horizontal drain pipe is typically 1/4 inch per foot. This slope ensures proper drainage, preventing water from pooling and facilitating the efficient flow of wastewater towards the main sewer or septic system.

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Staff/Mirrorpix/Getty Images

Staff/Mirrorpix/Getty Images

What is the minimum recommended slope for a horizontal drain pipe?

• 15 degrees
• 10 degrees
• 5 degrees
• 1/4 inch per foot