Why is My Boiler Leaking Water?

A leaking boiler is more than just an inconvenience—it can be a sign of a serious issue that needs immediate attention. While some leaks are minor and easy to fix, others indicate deeper problems that could lead to system failure or costly repairs if ignored.

If you’ve noticed water pooling around your boiler, it’s important to identify the cause and address it as soon as possible. In this blog, we’ll discuss the most common reasons a boiler might be leaking water, what you can do to fix it, and when to call a professional.

Common Causes of a Leaking Boiler

Several factors can cause a boiler to leak, ranging from simple wear and tear to more complex mechanical failures. Below are some of the most common reasons for boiler leaks.

High Pressure Levels

Boilers operate under a specific pressure range to function properly. If the pressure is too high, excess strain can cause the relief valve to release water. This is a safety feature designed to prevent dangerous pressure buildup.

Faulty Pressure Relief Valve

The pressure relief valve is a critical component that prevents dangerous pressure buildup. If it malfunctions, water may continuously leak from the valve, even when the pressure is normal.

Corrosion or Rust

Over time, metal components in a boiler can corrode due to water exposure. Corrosion weakens pipes, seals, and joints, increasing the likelihood of leaks.

Loose or Worn Seals

Seals play an essential role in keeping water inside the system. If they become worn or loose, water can start leaking from different areas of the boiler.

Leaking Heat Exchanger

The heat exchanger is one of the most important parts of a boiler. If it cracks or develops leaks due to age or corrosion, water will escape and potentially damage other components.

Improper Installation or Poor Maintenance

If a boiler was not installed correctly, weak connections or poor pipe fittings can lead to leaks. Additionally, lack of regular maintenance can contribute to component failure over time.

When to Call a Professional

While minor leaks caused by high pressure or loose fittings can sometimes be fixed by homeowners, major leaks require expert attention. If your boiler is leaking excessively, showing signs of corrosion, or not operating efficiently, it’s time to call a professional for an inspection.

Contact Staton for All Your Boiler Needs

A leaking boiler should never be ignored. Whether it’s a minor issue or a sign of a larger problem, Staton Heating, Cooling & Plumbing is here to help. Our team provides expert boiler repairs, maintenance, and installations to keep your home warm and safe. Contact us today to schedule a service and ensure your boiler is in top working condition!