Once a year. That is the manufacturer's recommendation on virtually every boiler sold in the UK, and it is usually a condition of keeping the warranty valid. If you rent the property out, an annual gas safety check is a legal requirement on top of that, and the two are not the same thing.
Three reasons, and only one of them is safety, though that is the one that matters most.
A service checks combustion. A boiler burning incorrectly can produce carbon monoxide, which you cannot see or smell. That check is the entire point, and it is not something you can do yourself.
A serviced boiler also burns less gas, because a clean, correctly adjusted boiler is an efficient one. And a service catches components that are starting to wear before they fail, which is the difference between booking an engineer and having no heating on Christmas Eve.
Most manufacturers require an annual service, carried out by a Gas Safe registered engineer and recorded, to keep the warranty valid.
People tend to discover this at exactly the wrong moment, which is when they try to claim on a twelve-year warranty and are asked for the service history.
This confuses a lot of landlords. A gas safety check, which produces the CP12 certificate, is a legal safety inspection of every gas appliance in the property. It is a legal duty for landlords, every twelve months.
A boiler service is a more thorough maintenance job on the boiler itself, including cleaning components.
You can have one without the other. Most landlords should be having both, and we usually do them in the same visit.
A visual inspection of the boiler and the flue. Combustion analysis with a flue gas analyser, checked against the manufacturer's figures. Checks on the gas pressure and flow. Inspection and cleaning of the key components. A check on the system pressure and the expansion vessel. And a written record of what was found.
If an engineer is in and out in ten minutes without a flue gas analyser coming out of the van, you have not had a service.
Once a year. It is the manufacturer's recommendation on effectively every UK boiler, and it is usually a condition of keeping the warranty valid.
Not for a homeowner living in their own house. It is a legal requirement for landlords, who must have an annual gas safety check on every gas appliance in a rented property, producing a CP12 certificate.
A gas safety check is a legal safety inspection of every gas appliance, producing the CP12 certificate that landlords need. A boiler service is a deeper maintenance job on the boiler itself, including cleaning components. They are different, and most landlords need both.
Very possibly. Most manufacturers require a documented annual service by a Gas Safe registered engineer. People usually find this out when they try to claim.
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