A well-functioning boiler is essential for keeping your home warm and ensuring you have a reliable supply of hot water. But like any appliance, boilers can develop issues over time, and recognising the warning signs early can prevent boiler breakdowns. In this post, we’ll go through some key signs that indicate your boiler may need repairing.
1. Unusual Noises
Boilers are designed to operate quietly, so if you start hearing strange noises such as banging, whistling, or gurgling, this could indicate a problem. These noises may be caused by air trapped in the system, low water pressure, or even limescale build-up, which can lead to a dangerous condition known as “kettling.” If you notice odd sounds, it’s best to call a professional heating engineer.
2. Reduced Efficiency & Higher Energy Bills
Have you noticed a sudden spike in your energy bills? If your boiler is struggling to heat your home as efficiently as before, it could be due to a fault. Reduced efficiency often means the boiler is working harder than necessary, wasting energy and costing you more in heating bills.
3. Leaks or Drips
Any sign of water leakage from your boiler should be taken seriously. A leak could indicate a broken component, such as a faulty pressure valve or a corroded pipe. Left unaddressed, leaks can cause further damage to your system and even pose a risk of electrical faults.
4. Inconsistent Heating or Hot Water
If your radiators are not heating up properly or your hot water supply is unreliable, this may be a sign of a failing boiler. Issues such as fluctuating water temperatures or lukewarm water could point to a malfunctioning thermostat, a faulty diverter valve, or a build-up of sludge in the system.
5. Frequent Boiler Resets
Most modern boilers have a reset function, but if you find yourself resetting yours frequently, it could indicate an underlying fault. Common causes include low water pressure, a failing pump, or even a blocked heat exchanger. A heating engineer can diagnose and fix the issue before it worsens.
6. Pilot Light or Error Codes
Older boilers with a permanent pilot light should remain lit at all times. If yours keeps going out, it could be due to a broken thermocouple or an issue with the gas supply. Modern boilers often display error codes when a fault is detected—these codes can help a professional quickly identify the problem.
7. Unpleasant Smells
If you ever notice a strange smell coming from your boiler, turn it off immediately and call a Gas Safe registered engineer. A faint burning smell might indicate overheating components, while any signs of a gas leak (such as a sulphur-like odour) could be dangerous. Always prioritise safety and seek professional help if you suspect a gas leak.
8. Boiler Age & Regular Breakdowns
Boilers typically last around 10-15 years. If your boiler is reaching this age and experiencing frequent breakdowns, it might be more cost-effective to replace it rather than constantly repairing it. Newer models are more energy-efficient and come with improved safety features.
What Should You Do If You Notice These Signs?
If you experience any of the above issues, don’t wait until your boiler completely fails. Contact a qualified heating engineer to inspect and repair the problem before it leads to further damage.
At TSL Heating & Plumbing, we offer expert boiler repair Newport services to ensure your heating system is running efficiently and safely. Whether your boiler is making strange noises, losing pressure, or struggling to heat your home, our experienced team is here to help. Get in touch today to book a repair and keep your home warm and comfortable all year round!
