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Plumbing

How to Fix a Toilet That Won't Flush

Quick Answer

Check the flush handle, adjust the chain, or replace the flush valve.

How to troubleshoot a Toilet That Won't Flush

A toilet that won't flush can be caused by a broken flush mechanism or a blocked siphon. This guide covers fixing the issue.

Step-by-Step Fix

  1. Remove the tank lid and check the flush handle connection.
  2. Check the chain connecting the handle to the flapper - it should have slight slack.
  3. If the chain is broken, replace it.
  4. Check the flapper is sealing correctly.
  5. If the flush valve is faulty, replace the entire flush mechanism.

Common Error Codes

CodeMeaningResolution
Handle feels looseBroken handle mechanismReplace the flush handle.

Frequently Asked Questions

Why does my toilet not flush properly?

A broken chain, faulty flapper, or low water level in the cistern.