The particular annual boiler service is a very essential job that is best done in the warmer months of the year, but did you know around 90% of us not have the boiler serviced.
The central heating boiler for some reason seems to get forgotten until something happens, you go to have a shower and find you have no hot water. Then you definitely start to panic trying to find someone to fix the boiler.
So why is the yearly boiler service important?
11 in years past the high efficiency-condensing boiler became mandatory in the United Kingdom.
With the boilers before distilling it was not as important to have them serviced as it is now. The reason is that the central heating boiler then did not have so many components inside as they do in today’s distilling boilers, yes they went wrong but were a lot easier and less expensive to repair, although it has always been a suggestion by the boiler makers to have the central heating boiler and any gas appliance maintained annually.
It’s more important now than ever before to have an annual boiler service as well as the boiler checked over to make sure it really is performing as should be, and most important that it’s SAFE.
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With an annual boiler service one of the most important checks is the flue pipe, this has to be examined to make sure all joints and seals are not leaking carbon monoxide or products of combustion into the room the boiler is located in.
The high effectiveness or condensing boilers as they are usually known while running produce condense, this is an acidic water, because it is acidic, it can start to corrode the flue-pipe, and should this happen the flue will start to leak products of burning (carbon monoxide), which as we are very mindful can be very dangerous to life, this is one of the most important parts of the service.
Most condensing boilers have a condense capture built in, this needs to be cleaned out plus checked for leakage it’s also section of the boilers flue system.
When the boiler is running the water it produces cleans the combustion chamber of any residue and this ends up in the trap.
With many boilers of today they work under high pressure and have an expansion vessel connected to the pipe work, this can be either internally or outwardly.
The expansion vessel will with time will lose pressure and will need to be recharged to keep the boiler working to they have full efficiently.
The expansion vessel is a very important part of the annual boiler service that needs to be checked. Once the vessel loses the charge it puts pressure within the pump, the internal water parts as well as the entire O rings within the central heating boiler.
Have you ever noticed when your boiler is definitely running that the pressure gauge either fitted on the boiler or upon external pipe starts to rise then when the boiler cools down the stress drops down to zero. You may even have noticed that the discharge pipe or overflow pipe as some people call it, is showing signs of water discharge. If you have then this is normally an indication that the expansion vessel has dropped its charge.
Part of the annual boiler service is to check the boiler burning rate.
This is to make sure the boiler is burning gas as it was created for, this is carried out using a flue gas analyser which is inserted into the flue-pipe and a reading is taken, if the readings are within the boilers recommendations then no further action is required, but if the readings are out of the recommendations then further investigations are expected to find the problem.
With the old kind of boiler the burners were removed and the flue-ways were cleaned plus checked, but with the condensing boiler the flue-gas reading tells us when the burners need to be removed. In fact Vaillant boilers now say the burners may never need to be removed if the boiler is set up and maintained correctly, they once suggested that the burners be removed every five yrs.
With an annual boiler service these are just a few of the checks that need to become carried out, and because many boilers today come with long warranties, to keep the particular boiler warranty valid you must have a boiler service. Once the service continues to be carried out, then the engineer needs to date and sign the warranty guide to keep the warranty valid.
I possess spoken to many customers with lengthy boiler warranties, and for some cause they seem to think they do not need an annual boiler service because of the lengthy warranty. This is not so , you must maintain the annual boiler service normally, should you need to make a claim under the warranty you may find you will have a large repair costs, all because you failed to keep up the particular annual boiler service.