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Where Do You Put a Toilet Supply Line?

Published in Toilet Plumbing 2 mins read

Based on the provided reference, the toilet supply line is specifically placed through the bottom plate on the wall, approximately 8 inches to the left of the toilet's center line.

When installing a new toilet, correctly positioning the water supply line is a crucial step. According to the provided information regarding a water supply line installation:

Key Placement Details

The reference specifies the following location for the toilet supply line:

  • Entry Point: Insert the line through the bottom plate on the wall. This typically means the supply line emerges from the wall near the floor.
  • Horizontal Positioning: The line should be located approximately 8 inches to the left of the toilet's center line. The center line is the midpoint of where the toilet will sit.

Practical Considerations (Based on Reference)

While the reference is concise, it provides clear instructions on the location:

  • Type of Line: The example mentions using a ½ inch copper water line.
  • Origin: The reference notes this supply line is connected "at the water line attached to the sink," indicating its source.

Understanding this specific placement is essential for rough-in plumbing during bathroom construction or renovation to ensure the supply line aligns correctly with the toilet's fill valve connection point.

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