Top 10 Most Common Boiler Problems

Top 10 Most Common Boiler Problems

If you depend on a boiler to cool and heat your home, the chances are that you do not give it much attention most times of the year. A common problem with them is that they mostly break down during winter. This is because they stay inactive most of the time, and during the cold season, they are subjected to a sudden operation, which makes it hard for them to withstand the strain. Below, we discuss some of the most common issues linked to boilers.

Leaking and Dripping

Many factors may lead to the leaking of your boiler. The problem can, however, only be realised when tests are done to determine where the water is dripping from. Leaks can result in broken internal components, including the pump seal and the pressure valve. When the pressure of the boiler goes too high, a defect may be found in the pressure valves. In case the leak occurs around the pipes or the tank, corrosion may result. Improper fitting during your boiler installation may be to blame. Should you notice leaking in your boiler, do not attempt to fix it yourself; rather, call in a qualified professional.

No heat or Hot Water

This problem is mostly triggered by a damaged diaphragm, broken airlock, faulty motorised valves, a broken thermostat or low pressure. If you suspect that low pressure could be the cause, check the readings in the pressure gauge. If it reads anything below 1, it will need repressuring. Should your technician find issues with the airlock, valve or diaphragm, they may recommend the replacement of those parts.

Kittling

Do you notice a kettle-like noise whenever you use your boiler? Usually, this is a problem that is caused by the build-up of limescale or sludge within the heating component. This prevents water from flowing in the heat exchanger. When the water flow is hindered, it may then overheat and release steam that produces the kettle-sound. If your area has hard water, this is a problem you might experience. In case you notice this problem, do not ignore it. Otherwise, this may, in turn, reduce the life of the boiler and inflate the running cost of your monthly budget.

Low Boiler Pressure

Bleeding radiators, water leak or a broken valve may cause your boiler to begin losing pressure. Luckily, it is easy to check this problem by observing the built-in pressure gauge. The pressure is low when it is below 1. This could be the reason the central heating system may fail to function properly. If the pressure is low only when the heating is on, it could be a sign of a slight leak. If it loses pressure when the boiler is on, it could be a sign of a major leaking issue. Check your boiler for leaks and if there are no visible ones, reset the pressure.

The Pilot Light Goes Out

The pilot light is a small blue flame used to light a larger burner. It should not keep going out. Otherwise, there could be a problem caused by a damaged thermocouple, which could be hindering the gas supply. Check that there are no issues with the gas supply before reigniting the pilot light. If you notice that your gas supplies are not working, consult your gas supplier.

Frozen Condensate Pipe

Your boiler has a condensate pipe responsible for transporting acidic water that results from waste gas. This pipe runs outside the boiler, meaning it is exposed to the freezing winter weather. Should the pipe freeze, your boiler may show a warning notification. The solution, in this case, is to thaw the pipe with a warm cloth or pour over it warm water then fire up your boiler by resetting it.

Banging or Whistling Noises

Usually, this is a problem caused by too much air in the system. Also, it could occur when water pressure is too low. With old systems, pump failure is often to blame. A professional should be in a position to determine the problem based on the type of noise produced.

Thermostat Issues

Thermostats are created with a predefined life. The moment they begin to lose their accuracy, it is advisable to have them replaced. Before this, however, it is advisable to have a professional check if they are properly positioned and in the right settings such as schedule and time.

The Radiator Fails to Heat Up

This is often caused by the build-up of sludge. If only the bottom of the radiator is heating up, the radiator will need to be bled to correct the problem. The other option would be to balance the radiator. This will involve adjusting the valves.

Boiler Fails to Turn On

If your boiler fails to turn on, begin by checking that other power supplies are working. In case they are active, check if any switches have failed in the fuse box. Should you fail to identify the problem, contact an engineer. If the boiler turns on but keeps going off, you could be having issues with low pressure or blockage, which need to be corrected by a professional.

If left unchecked, any of these problems could eventually lead to the permanent damage of your boiler. It is crucial to have your system diagnosed by LS1 Boilers in good time to avoid losing your investment.

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