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What is the standard size for a bathtub drain pipe?

Retry Correct Incorrect Bathtub drain pipes are essential plumbing components that carry wastewater away from bathtubs. Typically 1.5 to 2 inches in diameter, they connect to the bathtub drain outlet and ensure efficient drainage, preventing water accumulation in the tub.

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BuildPix/Construction Photography/Avalon/Getty Images

BuildPix/Construction Photography/Avalon/Getty Images

What is the standard size for a bathtub drain pipe?

• 1 inch
• 3 inches
• 2 inches
• 4 inches