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What does ie3.75 mean in plumbing drawing?

Plumbing & San Clemente Knowledge Base · 2026-08-07 00:00
A useful answer to what does ie3.75 mean in plumbing drawing starts by identifying the affected fixture or line and documenting what changed. From there, compare repair versus replacement, likely downtime, and long-term maintenance, because the best option depends on the home, materials, access, and local requirements.