How to Fix a Leaking Tap
Quick Answer
Turn off water supply, disassemble the tap, replace the worn washer or cartridge, and reassemble.
How to troubleshoot a Leaking Tap
A dripping tap can waste gallons of water and increase your bills. This guide walks you through identifying the cause and repairing the most common types of leaks.
Step-by-Step Fix
- Turn off the water supply to the tap using the isolation valve.
- Remove the tap handle by unscrewing the set screw or cap.
- Use a spanner to unscrew the valve nut and remove the spindle.
- Replace the rubber washer or ceramic cartridge with an exact match.
- Reassemble all parts in reverse order and turn water back on to test.
Common Error Codes
| Code | Meaning | Resolution |
|---|---|---|
| Drip after close | Washer not sealing properly | Replace the rubber washer with a new one of the correct size. |
| Water splashing | Aerator clogged or damaged | Remove the aerator and clean it with vinegar or replace it. |
Frequently Asked Questions
How do I know which washer to buy?
Take the old washer to a hardware store to match its size, type, and thickness.
Can I fix a leaky tap without turning off the water?
No, you must turn off the water at the isolation valve or main shutoff to avoid flooding.