Discovering a leak in your boiler can be concerning, but it’s essential to address the issue promptly to prevent further damage. Check out Aspray’s guide on the process to take and our practical solutions to common boiler leak scenarios.

Boiler

Identifying the leak:

If you suspect your boiler is leaking, it’s crucial to determine the cause before the situation worsens. Leaks can result from various issues, including corroded pipes, excessive pressure, or loose joints. Even a small leak can lead to corrosion and damage, so swift action is key.

Immediate steps to take:

  • Turn off the water supply to the boiler or, if an isolation valve is not visible, turn off the mains.
  • Switch off the heating.
  • Mop up any water to prevent further damage.
  • Contact a Gas Safe registered engineer.

Never attempt to fix the issue yourself, as it could pose a risk to your safety and that of your household. Always rely on a certified professional for boiler repairs and maintenance.

Common reasons for boiler leaks:

Corroded pipes:

If water is dripping from the bottom of your boiler, it may indicate corroded pipes. This often occurs in older boilers due to the reaction between water and metal, leading to rust. Contact your Gas Safe engineer immediately for assessment and advice.

Pressure relief valve (PRV) leak:

A leaking PRV is a common issue resulting from high boiler pressure. You can address this yourself by ensuring the filling loop tap is closed, maintaining pressure between 1 and 2 bar, and bleeding your radiators if necessary.

Water around pipe fittings:

Newly installed boilers may experience small water leaks around pipe fittings. Contact your engineer to address any installation faults promptly.

Using a leaking boiler:

Under no circumstances should you use a leaking boiler. If you notice a leak or a significant drop in pressure, cease using the boiler immediately, shut off the water supply, and contact a Gas Safe registered engineer.

Preventing boiler leaks:

Annual service:

Schedule an annual boiler service to address minor issues before they escalate, ensuring your system remains in optimal condition.

Powerflush:

Conduct a powerflush to cleanse your heating system, reducing the risk of corrosion by removing limescale and debris.

Magnetic filter installation:

Consider installing a magnetic filter to prevent debris buildup and protect your boiler in the long term.

Boiler replacement:

If your boiler is over 10 years old and showing signs of wear, it might be time to consider a replacement. A new boiler not only reduces the risk of leaks and breakdowns but also enhances energy efficiency, saving you money in the long run.

FAQ:

Is it normal for a boiler to leak water?

No, a leaking boiler indicates a potential major fault. Contact a Gas Safe registered engineer promptly.

Can I use my boiler if it’s leaking?

No, cease usage immediately, shut off the water supply, and contact a Gas Safe registered engineer.

Why is my boiler dripping water from the bottom?

This could be a sign of corroded pipes, especially in older boilers. Contact a Gas Safe registered engineer for assessment and repairs.

Property damage?
Contact Aspray

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