Waste King Seized or Corroded Mounting Ring

Garbage disposal is difficult to remove from the mounting assembly during replacement.

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Possible Causes

Corrosion on EZ-Mount ring, Dried plumber’s putty bonding flange, Mineral deposits around sink flange, Deformed mounting lugs

How to Fix / Troubleshooting

Safety first: Turn OFF power and disconnect the disposal from the outlet or junction box before attempting removal.

  • Step 1 – Support the unit: Place a box or sturdy support under the disposal to hold its weight.
  • Step 2 – Release mounting ring: On EZ-Mount models, insert a screwdriver into one of the mounting lugs and rotate counterclockwise. Apply penetrating oil to the ring if corroded and allow it to soak.
  • Step 3 – Tap gently: Use a rubber mallet to gently tap the ring to break corrosion. Do not strike the sink or flange directly.
  • Step 4 – Remove flange if needed: If the disposal cannot be separated, remove the entire sink flange and mounting assembly from above and replace with a new Waste King mounting kit.
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Repair Difficulty

Easy 2/5

Required Part

EZ-Mount Assembly Kit
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