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What is the 135 rule in plumbing?

Plumbing & San Clemente Knowledge Base · 2026-08-07 00:00

Overview

A useful answer to what is the 135 rule in plumbing 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.

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