How to Fix a Leaking Pipe Under the Sink
Quick Answer
Turn off the water supply, tighten the compression nut, or replace the olive and seal.
How to troubleshoot a Leaking Pipe Under the Sink
A leaking pipe under the sink can cause water damage and mould. This guide covers fixing a leaking pipe joint.
Step-by-Step Fix
- Turn off the water supply to the leaking pipe.
- Place a bucket under the leak to catch any water.
- Dry the joint and check if the nut is loose.
- Tighten the compression nut with a spanner.
- If the leak persists, replace the olive inside the joint.
- Apply PTFE tape around the olive for a better seal.
- Turn the water back on and check for any other leaks.
Common Error Codes
| Code | Meaning | Resolution |
|---|---|---|
| Joint still leaks | Damaged olive | Replace the olive and fitting. |
| Pipe is corroded | Long-term leak | Replace the damaged section of pipe. |
Frequently Asked Questions
What is an olive in plumbing?
A brass ring used to seal compression fittings.
Can I use PTFE tape on compression joints?
Yes, it can help seal minor leaks.