Boiler Leaking Water

Boiler Leaking Water: Causes and Solutions

Is your boiler leaking water? A leaking boiler can feel worrying, but understanding the cause can help you act quickly. In this article, we’ll cover why boilers leak, how to check for common problems, and when to call a professional heating engineer.

Why Is Your Boiler Leaking Water?

There are several reasons why your boiler might start to leak. Let’s break them down so you can better understand the issue.

1. Leaking Pressure Relief Valve

The pressure relief valve releases excess pressure. If your boiler pressure gets too high, this valve may open and cause water to escape. Often, consistently high pressure points to another underlying problem.

2. Faulty Heat Exchanger Causing Boiler Leaks

The heat exchanger can crack over time, especially in older boilers. When this happens, water may leak internally before escaping from the casing.

3. Corroded or Loose Pipe Connections

Over time, pipe joints may corrode or loosen, leading to small drips or more significant leaks. This is common in older systems or those exposed to fluctuating temperatures.

4. Leaks from Boiler Pump Seals

The pump circulates water through your heating system. If its seals wear out, water can begin leaking from around the pump housing.

5. Condensate Pipe Leaks

Condensing boilers produce condensation, which drains through a condensate pipe. Blockages or breaks in this pipe can cause leaking underneath the boiler.

Can You Fix a Boiler Leaking Water Yourself?

While you can check for obvious problems like loose fittings or high pressure, many leaks require professional repairs. Never attempt to dismantle your boiler or handle gas components without proper qualifications.

Preventing Boiler Water Leaks

Regular servicing helps prevent boiler leaks before they start. During annual maintenance, engineers inspect seals, joints, and internal components to catch early signs of trouble.

Is a Leaking Boiler Dangerous?

While a small drip may not seem serious, any water leak can damage your boiler’s internal parts and nearby electrics. Additionally, consistent leaks often signal larger system faults. That’s why it’s important to act quickly.

Plumble Can Repair Your Boiler Leaking Water

If your boiler is leaking water, don’t wait for the problem to worsen. Plumble provides fast, professional boiler repairs across Kent. Our skilled engineers can diagnose the cause and stop the leak safely. Contact us today to arrange a prompt repair.