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When your boiler suddenly acts up in the middle of winter, there’s no ignoring it. Whether it’s an odd noise, a drop in heating performance, or a complete shutdown, boiler issues can quickly throw your home into discomfort.
Knowing the early signs of trouble and knowing when to seek boiler repairs in Newcastle can save you both money and stress in the long run.
Boilers are complex systems that need proper maintenance to run efficiently. Ignoring small issues can lead to costly breakdowns or even safety risks.
So, let’s look at some of the most common boiler problems homeowners face, and how to fix them before they spiral out of control.

Low Boiler Pressure

When your radiators feel cold even though the heating is on, it’s often due to low boiler pressure. Most boilers operate best at around 1 to 1.5 bar. The most common causes are:

  • Water leaks in the system
  • A recently bled radiator
  • Faulty pressure relief valves

If the pressure keeps dropping, it’s best to call an engineer to inspect the system for leaks or faulty parts.

Leaking or Dripping Boiler

A leak may seem minor, but it can cause significant damage over time. It usually stems from internal issues such as worn seals, corrosion, or pressure problems.
If you notice water pooling near your boiler:

  • Switch off the system to prevent further damage.
  • Avoid trying to tighten pipes or seals yourself.
  • Contact a qualified technician for proper repairs.

Strange Noises

Boilers should run quietly. If you hear banging, gurgling, or whistling sounds, something’s off. These noises could mean trapped air, mineral build-up, or pump failure.

Here’s what you can do:

  • Bleed your radiators to remove trapped air.
  • Check for limescale buildup in hard-water areas.
  • If the noises persist, have an engineer flush or service the system.

Pilot Light Keeps Going Out

A faulty thermocouple or gas supply issue can cause your pilot light to keep going out. Before you relight it, check whether your gas supply is working elsewhere in your home. If the problem continues, a professional inspection is necessary.
Never attempt to fix gas components yourself. It’s both unsafe and illegal without the right certification. Regular maintenance and boiler repairs by qualified engineers help prevent such issues from recurring.

Frozen Condensate Pipe

During cold months, condensate pipes can freeze, blocking the flow of wastewater and causing your boiler to shut down. To fix it, here’s what to do:

  • Pour warm (not boiling) water over the frozen pipe.
  • Reset the boiler once the ice melts.
  • Consider insulating the pipe to prevent future freezing.

When to Call for Professional Help?

You can handle basic troubleshooting, but complex issues demand expert attention. Frequent breakdowns, pressure fluctuations, or persistent leaks indicate deeper faults. Timely boiler repairs prevent small problems from escalating and help maintain energy efficiency.
Keeping your heating system in good condition means staying vigilant for warning signs and taking action promptly. If you see such signs, don’t delay scheduling boiler repairs in Newcastle. For reliable and expert service, you can always count on MK Robinson Plumbing & Heating Engineer. Contact our team now.