From box to wall

                      At Fortnums we have been installing, servicing and maintaining Vaillant boilers for over 20 years now. As an approved Vaillant company we can offer up to 10 years free manufacturers warranty.  

Essential Maintenance

                Its essential to maintain the quality of water within your central heating system to avoid costly repairs, we power flushed this central heating system, replaced the pump and refilled the system incorporating the correct amount of Sentinel X100 inhibitors. For advice on keeping your system efficiently please…

Gas Training

                  Earlier this year Garry Fortnum successfully resat  his gas training and domestic unvented hot water storage systems exam. The requirements for all these exams are every 5 years so are now up to date until Spring 2023  

Your Boiler

We believe if you look after your central heating system it will then look after you! Reduce the risk of boiler breakdowns by arranging an annual service. We can also put you on our ‘Boiler Reminder List’ so it will not be forgotten. Please contact us for further information


We have been installing Vaillant heating products for over 20 years locally and although tried several alternative products we have always found Vaillant to be the best all round products in our opinion. We can offer a standard 7 year manufacturer’s warranty with an option to increase to 8, 9 & 10 years at a…

Central Heating Repairs

We had a call from one of our customer that we have worked for now for over 15 years since they first moved into the town. They have had some type of insurance cover that also provides repairs to the central heating system, unfortunately this was less than satisfactory leaving them with no hot water…