Whirlaway Advanced Corrosion of Grinding Components

Garbage disposal is extremely old and rust flakes are visible inside chamber

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Possible Causes

Prolonged exposure to moisture, Use of harsh chemicals, Non-stainless steel components in older Whirlaway models, Lack of regular use

How to Fix / Troubleshooting

Safety first: Turn OFF power before inspecting the chamber.

  • Step 1 – Inspect for structural damage: Look for holes, deep pitting, or loose rust flakes on the grind ring and chamber walls.
  • Step 2 – Avoid heavy use: Severely corroded components can fail and leak. Do not rely on the unit for heavy grinding.
  • Step 3 – Plan replacement: Schedule replacement of the disposal with a newer Whirlaway model featuring stainless steel grinding components.
  • Step 4 – Remove loose rust: Until replacement, briefly run the unit with ice to knock off loose rust, then flush thoroughly.
  • Step 5 – Check for leaks: Monitor the unit for any signs of leakage from the chamber or housing.
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Repair Difficulty

Easy 2/5

Required Part

Grinding Chamber Assembly
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