Drain Wash [upd]

Regular drain washing is essential for several reasons:

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Heat to near-boiling (not rolling boil for PVC pipes — aim for 170–180°F / 75–80°C). For metal pipes (copper, cast iron), boiling is fine. drain wash

A is a high-volume, hot water flush combined with a mild cleaning agent (or enzyme treatment) to scour the inner pipe walls, remove soap scum, grease film, and loose organic matter. It does not clear solid clogs but prevents them from forming. Regular drain washing is essential for several reasons:

A specialized hose with a precision nozzle is inserted into the cleanout. Water pressure typically ranges from 1,500 to 4,000 PSI. The nozzle moves upstream, pulling debris back toward the access point where it can be vacuumed or flushed away. It does not clear solid clogs but prevents them from forming

(Use this template to document actual work performed)