10% Off all Boiler And Heating Upgrades Throughout Oct And Nov

Principle Plumbing And Heating LTD

Trusted plumbers and heating engineers

Boiler servicing

ensure your boiler works efficiently

A poorly maintained boiler may cost you money. If it is not serviced regularly, it may break down and can become unsafe. Especially during winters, it is vital for your boiler to be in optimal working order to ensure your home is warm. An annual boiler service or safety check can greatly prolong the life of your current boiler whilst reducing the risk of future faults and costly repairs.

At Principle Plumbing and Heating Ltd, we use the best equipment and the latest techniques to ensure your boiler is functioning at optimal levels. get in touch with us for reliable boiler servicing.

Boiler servicing checklist

1. Visual inspection of appliance

 2. Strip down boiler and inspect/clean flue 

3. Clean heat exchanger, burner, injectors and pilot assembly, check APS hoses and clean flue Venturi, clean fan 

4. Reassemble boiler, replace any seals if required 

5. Clean condense trap (if applicable) 6. Recharge pressure vessel (if applicable) 

7. Run boiler and check FFD 

8. Gas rate appliance at full load 

9. Check incoming gas pressure, burner pressure, running pressure at meter 

10. Carry out FGA test or flue performance tests

 11. Check burner casing seal if positive pressure 

12. Fit sticker to boiler and complete paperwork, ensure appliance is left in working order 


PLEASE NOTE: The above checklist serves only as a brief guide of what should be carried out and is not a definitive guide


Boiler servicing from £65 

T and C's apply

annual Landlords Gas Safety Certificates - CP12

Landlords are legally required to get all the gas applicances and flues in their residential properties checked every year and get a gas safety certificate.

The gas safety check must be carried out by a Gas Safe Registered engineeer. By law all gas engineers must be on the Gas Safe Register to work safely and legally on gas appliances.


Landlord Gas Safety Certificates cost from £65 which includes a gas safety check carried out by one of our professional and experienced Gas Safe Registered engineers.


We also provide a combined Standard Boiler Service and Landlord Gas Safety Certificate from just £90.  Find out more information by contacting a member of our friendly team.


Please note that we cannot inspect parts of the installation that are not accessible or may result in damage to the property. Examples include: on a roof, in a loft without suitable access or pipework concealed in walls or under floors.


T and C's apply

Contact Us

Better yet, see us in person!

We love our customers, so feel free to visit during normal business hours.

Principle Plumbing And Heating LTD

Unit 25, 2 South Ealing Road, London W54BY

02071172096