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Preventive Boiler Maintenance and Repair for Optimal Performance

Some signs that your boiler needs repairs

Boilers provide the occupants of a property with much-needed hot water throughout the year, which is used for several purposes, including maintaining personal hygiene. They are especially needed in winter when you also need to operate your central heating system to keep your home warm.

Whether you have a gas, oil, or electric boiler, you must ensure that they are working correctly and safe for all occupants. Regular maintenance of your boiler can help you avoid many repair problems and prolong the life of your boiler.

Annual servicing may also be a requirement of your boiler manufacturer if it is still under warranty and you need to file a claim. Boilers are often ignored until a severe problem arises; however if you maintain your boiler and carry out timely repairs.

You will save yourself from all the hassle of getting them repaired and repair costs. From companies providing Boiler Repair in Paddington to those in London, all provide annual servicing and inspection services. However, you need to know the common signs and symptoms that indicate a problem with your boiler.

Strange Sounds are coming from your boiler

Regardless of your boiler type, the purpose is the same: hot water supply. All boilers have an inlet for cold water and an outlet for hot. When hot water is contained in a storage tank or pipes, and you have not used hot water for a while, steam can get trapped inside if the water is too hot.

The steam will produce a knocking sound which you might find disturbing. Be at ease. This is not something to be scared off. If you open your taps for a few seconds, the steam will escape, and the knocking sound should cease.

However, this does indicate a couple of things. Either your automatic thermostat is not working correctly, your boiler is much larger than your requirement, or you have overheated the water (in the case of a manual thermostat).

Other sounds which need to be investigated are rattling sounds that often come from hot water reservoirs. This indicates that there might be a sediment build-up in your storage tank, which needs cleaning.

Last but not least, if you find your boiler shaking and hear a rumbling sound, there might be something wrong with your pump. If you can’t make sense of the sounds, it is better to call a professional plumber/engineer.


From Boiler Repair in Acton to other corners of the United Kingdom, the most common problem that boilers face is leakages. Loose joints, damaged seals, corroded pipes, and excess water pressure can all lead to water leakages.

Boilers handle both cold and hot water. While cold water leakage is a drain on your resources, it is not dangerous. However, hot water leakage wastes resources and can cause severe burns. Whether you are facing cold or hot water leakage.

Boiler Repair Paddington
Boiler Repair Paddington

These need fixing immediately. Even what may seem like a minor leakage can waste considerable water. Another leakage that gas boiler users need to worry about, and which is way more dangerous than water leakage, is the leakage of gasses like natural gas, LPG, and Carbon Monoxide.

LPG and natural gas are both used as fuel in gas boilers. They are both odorless, colorless, and tasteless. They are highly flammable and toxic. Carbon monoxide is produced when gas is burnt in the boiler. It is also colorless, odorless, and tasteless.

Exposure to CO can lead to severe injuries and even fatalities. All such leakages should be reported to the relevant authorities or plumbing experts immediately. You should ideally know where your main shutoff valve is, and in case of any gas leakage, you should completely shut off your main supply and your boiler.

Sudden rise in energy bills

If one fine morning you find yourself wondering why your energy bills have risen all of a sudden, the first thing you should do is check previous bills. Check the volume of gas you have used or the electricity you consumed.

If you see a sudden consumption rise and haven’t increased your usage, then there is something wrong with your boiler. Hire a professional to carry out a thorough inspection of your boiler.

Delayed or low heating

You might have learned through your experience with your boiler how long it takes to heat your room or how long it takes to heat your water supply when you have used it up entirely. Any considerable change in time will be easily noticeable to you. If you have noticed a significant increase, your boiler needs inspection and most probably servicing.

Benefits of annual servicing

  • Annual servicing, regardless of whether it is a warranty requirement or not, can improve the lifespan of your boiler.
  • It can identify any issues which can turn into more significant problems. This gives you a chance to make timely repairs.
  • It can improve the efficiency of your boiler and reduce your energy bills.
  • It ensures the safety of all occupants.


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