Disposal sink flange leaking: reseal

Remove the disposal, reseat the sink flange with fresh plumber's putty and gaskets, then remount and leak test.

Cross-checked ~60 min moderateBrands: All

Before you start

  • Turn off power at the breaker or unplug before reaching into or under the disposal
  • Never put hands in the grinding chamber; use the hex wrench or tongs

Diagnostic steps

Unlock all 3 steps with expected values

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OnCall Tech is a reference tool for trained technicians and can make mistakes. Always disconnect power and confirm with the manufacturer's documentation before you work.

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Disposal sink flange leaking: reseal · OnCall Tech