Kraus
Partial Drain Obstruction
Kraus garbage disposal runs but water drains very slowly from the sink.
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Possible Causes
Food buildup in discharge elbow, Sludge in P-trap, Grease-coated drain line, Inadequate slope in horizontal drain pipe
How to Fix / Troubleshooting
Safety First: Turn OFF the disposal and do not use chemical drain cleaners.
- Step 1 – Run water and disposal: Try running cold water and the disposal for 30–60 seconds to clear minor obstructions.
- Step 2 – Clean discharge and trap: Remove the discharge elbow and P-trap, clean out all debris and sludge, then reinstall.
- Step 3 – Flush line: After reassembly, run hot water for several minutes to help clear grease from the line.
- Step 4 – If still slow: A downstream drain line may be restricted and may require snaking by a plumber.
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Repair Difficulty
Easy
2/5
Required Part
Discharge Elbow & P-trap
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