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Boiler Servicing: What’s Involved?

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We often get asked what to expect when booking a boiler service. Here’s a breakdown of everything our Gas Safe™ registered engineers do when servicing your boiler. 

Visual inspection

Our engineer will visually inspect the boiler, cleaning and adjusting any components as necessary. The main objective is to identify any signs of damage or distress that are immediately visible.

Gas pressure checks

Checking a boiler’s gas pressure is an essential part of any service. Boiler pressure is very important; if it’s too low, your central heating may not work. If it’s too high, your boiler might be under too much strain, which could prevent it from working at its best. 

Testing all major components

During a boiler service, all major components will be tested to make sure they’re functioning correctly and safely. Any necessary adjustments will be made. 

Flue gas analysis

Using a flue gas analyser, we will check that the flue isn’t blocked and that your boiler is burning the right mixture of gas and air. 

Boiler flue check

Our engineer will also check that your boiler flue isn’t blocked. Flues take the combustion fumes created by your boiler and release them safely outside your home. If your flue becomes blocked, these gases have nowhere to go except back in your home. In some cases, this can cause fatal carbon monoxide poisoning. 

Please note: Servicing your boiler regularly is the best way to keep it running safely and efficiently. However, it’s still recommended that each home is fitted with at least one carbon monoxide detector. This will alert you to any carbon monoxide present in your home, either because of a malfunctioning boiler or a blocked flue. 

Boiler controls check 

Every boiler has a number of controls and safety devices that need to be tested to ensure they’re operating correctly. 

Cleaning the main boiler components

Our engineer will remove, inspect and clean the main components in the boiler, including the main burner, heat exchanger, flue ways, and ignition pins. 

Lots of checks

Your boiler service will include a whole host of checks on various elements, including the electrical wiring connections, location of the boiler and any nearby combustible materials, pilot burner, ventilation, safety devices and seals. 

Full report

Our engineer will keep a record of all the tests and checks they carry out, which includes making a note of the boiler pressure and heat input. You’ll get a copy of this information to keep for future reference, or if any problems arise. 

Time to book your boiler service?

If you’re experiencing issues with your boiler, or it’s been a year or more since your last service, we recommend that you book a boiler service as soon as possible. For more information or to book your service, please get in touch with our experienced, Gas Safe™ engineers today on 01202 681955.

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