Top 8 tips for the annual boiler service in London

We are approaching cooler weather faster, and you might consider turning on the boiler. Some maintenance work in early fall will not only save you money and possibly even your life. Maintenance-free boilers can fail, and faulty boilers can kill. A well-serviced gas boiler will be much more efficient and save you money on utility bills.

1) Annual boiler maintenance

Annual Gas Boiler Service in London, it remains in excellent condition. An experienced gas safety engineer can adjust the operation of the boiler so that it works not only safely, but also efficiently. The engineer will check the operability of the main components of the boiler and clean the clean accessible areas. If your boiler is to be serviced in September, it will be ready for more intensive work in the autumn and winter months.


2) Bleed the radiators

Let the boiler run for a while when you turn it on for the first time. You will probably notice that some radiators do not heat up immediately because there is a chance of air in the radiator. You can tell if it is air because the radiator is hot below and cold above.
Follow these steps to fix this:
• Buy old fabric and a radiator key.
• Protect the carpet with plastic if it leaks.
• Insert the key into the key and carefully turn the key a quarter of a turn counterclockwise while holding the fabric under the key to catch the escaping water.
• You will hear a hissing sound when air exits the radiator.
• After some time, the hissing stops and water should come out of the radiator.
• Collect excess water in the fabric.
• To close the valve turn the radiator key in the opposite direction.
• Check the radiator, which should go all the way.
After ventilating the radiator, check the pressure gauge on the boiler, as there is a high probability that the pressure will drop and it may be necessary to fill the boiler, see paragraph 5 below.

3) General problems with the radiator

a) Shut off valve - When the radiator is painted, the valve is sometimes painted over. This means that it is not easy to loosen the valve; try applying some pressure and the WD40 to release it. If not, give us a call and we will send someone to solve the problem.
b) The radiator is hot at the top, but not at the bottom - this is because there is dirt in your radiator, you need to flush the system. Click here for more information on flushing your central heating system.
c) The radiator does not heat up at all - Make sure that the valve at the bottom of the radiator is open. It rotates clockwise. If it is open and the radiator still does not heat up, this may indicate a problem with the valve. If you need to replace a valve, we always recommend choosing a thermostatic radiator valve, as it allows you to adjust the radiator setting to suit your needs.

4) Balancing radiators

This is a rather difficult but valuable exercise. After you have ventilated all the radiators, you will find that some of them are warmer than others. If you carefully adjust the radiators so that the really hot ones are less hot, the cooler should heat up. In large houses, this is quite complicated, and you may need the help of a specialist. My plumber works with Boiler Service Plus, including ventilation radiators and a balancing system.

5) Checking the boiler pressure

After boiler operation, check the pressure gauge to make sure that it operates at pressure levels recommended by the manufacturer. If the pressure is low, you can replenish it. Remember to do this carefully, because it is very easy to damage a part of the boiler, the safety valve. If this part is damaged, contact a gas safety specialist to solve the problem.

6) Check if the boiler drains from the drainpipe

If water leaks from an overflow pipe (outside of your property), this may indicate that there is a problem with the boiler. The pressure relief valve is usually faulty. This may be due to the fact that the boiler is overloaded or has failed over time. To solve this problem you need to call a boiler technician for an emergency boiler repair in London

7) Check ventilation

Boilers should have enough space around to ventilate well. Make sure that there is no clutter where the boiler is located. All these shoes, bags and coats should be stored so that your kettle does not breathe. If the boiler is located in a cabinet, make sure that the boiler is accessible using the access panel for proper gas boiler service. Strict ventilation requirements exist and can be found in the manufacturer's instructions.

8) Check if the chimney is accessible

Recently, the rules have changed, and now it is a law providing the visibility of the chimney so that any connections can be checked. This means that for smoke ducts that disappear into the ceiling or cavity, access panels must be installed. This is for your safety, because if the compound leaks with carbon monoxide, it may go unnoticed.

Click here for more information.

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