Quick Answer
If your pressure washer extension tubes are leaking, the issue is usually caused by either a poor connection at the joint or a crack in the tube itself.
Leaks at the ends are often due to debris, worn seals, or misalignment, while leaks from the middle or seams typically indicate a damaged or cracked extension tube that will need replacing.
Before You Start
Before inspecting the extension tubes, make sure:
- The pressure washer is switched off
- The system is fully depressurised
- The tubes are disconnected safely from both the spray gun and accessory
Always:
- Check all seals and connection points carefully
- Ensure fittings are clean and free from dirt or grit
- Avoid forcing parts together
Important: Never use damaged extension tubes under pressure, as this can cause worsening leaks or complete failure.
Common Causes of Extension Tube Leaks
Leaks can occur for a few different reasons:
- Debris or dirt trapped in the connection points
- Worn or missing seals at either end
- Loose or incorrectly fitted connections
- Cross-threading or misalignment
- Cracks in the tube body or seams
How to Identify the Source of the Leak
Follow these steps:
1. Check both connection ends
Inspect the ends that connect to:
- The spray gun
- The patio cleaner or accessory
Look for:
- Dirt or grit in the fitting
- Damaged or missing seals
- Loose locking mechanisms
Clean and refit if necessary.
2. Check the middle of the tube
Run your hand along the extension tube while it is dry and look for:
- Hairline cracks
- Splits in the plastic
- Signs of stress or whitening in the material
3. Test the alignment
If connections appear fine but leaking continues:
- Ensure the tubes are fully clicked or screwed into place
- Check for any wobble or movement in the joint
Replacement Options
If your extension tube is damaged:
- If your machine is within warranty, a replacement extension tube can be supplied free of charge
- If your machine is out of warranty, replacement parts can be purchased via our website
In most cases, replacing the tube will fully resolve the issue.
Important Maintenance Tips
- Always connect extension tubes firmly but without over-tightening
- Regularly check seals for wear or flattening
- Keep connection points clean and free from debris
- Store tubes in a dry place away from impact or pressure
- Avoid dropping or bending tubes during use
Frequently Asked Questions
Why are my extension tubes leaking at the ends?
This is usually caused by dirt in the connection, a missing seal, or a loose fit between components.
Why are my extension tubes leaking in the middle?
Leaks in the middle typically indicate a crack or structural damage to the tube.
Can I still use leaking extension tubes?
No. Using damaged tubes may worsen the leak and reduce pressure performance.
Do I need a full replacement if only one tube is leaking?
Yes, in most cases extension tubes are supplied as a single replacement part.
Are extension tube leaks covered under warranty?
Yes, if the damage is due to a fault or occurs within the warranty period, a replacement can usually be supplied free of charge.