Hydro jetting—using high-pressure water to remove grease, mineral scale, and debris inside pipes—has become a go-to option for stubborn drain blockages. For older homes, however, the question is harder: is it safe for pipes that may be corroded, aging, or already compromised?
Industry guidance generally frames hydro jetting as safe when it’s matched to the plumbing system. The risk isn’t the concept of hydro jetting itself, but the combination of pipe condition, pipe material, and how the job is executed.
Why age can matter for older plumbing
Older pipes may have thin spots, internal corrosion, bellies or sags, older joints, or buildup that’s hardened over decades. In those cases, aggressive pressure can potentially dislodge failing material in a way that worsens an obstruction—or, in less common scenarios, contribute to leaks if th ... Read more »

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