You should get your boiler serviced regularly to make sure it's work properly, A faulty boiler could waste your money on energy and might even start leaking poisonous carbon monoxide. Because the gas is colorless and scentless, it's really danger for everyone at home. So you should get them serviced annually by a Gas Safe Registered engineer.
Regular boiler servicing may reduce the risk of a breakdown also helps reduce the risk of carbon monoxide emissions and may also help to prolong the life of your boiler .
A Gas Safe registered engineer will service your gas boiler so you can be sure that it works
safely and efficiently