How to Fix a Leaky In-Sink-Erator


InSinkErator is a manufacturer of household garbage disposals, among other appliances. A leaking garbage disposal can be caused by a number of things -- including improper installation, clogs, loose screws or a corroded seal. To fix the leak, you must determine its source. Fixing the leak shouldn’t be too much trouble. Should you be unable to fix the leak yourself you’ll want to contact a plumber.

Things You'll Need

  • Rag
  • In-Sink-Erator jam buster wrench
  • Screwdriver
  • Plumber’s putty
  • Power off the In-Sink-Erator by pressing the off button, underneath the sink. Unplug the appliance and shut off the circuit breaker for safe measure.

  • Place the jam buster wrench (Allen or hex wrench) into the corresponding hexagonal hole in the center of the garbage disposal unit, under the sink. Turn the wrench clockwise until resistance is met, then turn the wrench counterclockwise. Repeat the process until the resistance is gone. This clears anything stuck in the disposal that may be leading to the leak.

  • Tighten the screws holding the In-Sink-Erator in place using an appropriate screwdriver. Tighten the screws around the drain pipes. A leak is often caused by loose screws or improper installation of the disposal. Restore power to the disposal, run the faucet and the disposal. Watch for leaks. If leaks continue, disconnect the power again and move on to the next step.

  • Unscrew the In-Sink-Erator from the drain pipes below the sink. Wipe the appliance dry with a rag. Apply plumber’s putty to the external rim of the garbage disposal -- also known as the flange -- where the disposal meets the drain pipe. Screw the In-Sink-Erator back in place. Allow a few hours for the plumber’s putty to dry. Restore power, turn on the faucet and the disposal. Watch for leaks. If leaks persist, you may have a faulty disposal -- in such cases, contact a plumber or the manufacturer.

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