Boiler Brands We Repair in East London

Experienced with All Major Boiler Brands

Gas First engineers have worked on boilers from every major manufacturer installed in East London homes. Whether you have a premium German Viessmann, a popular Worcester Bosch or Vaillant, a budget Heatline or Potterton in a rental property, or a less common Dutch Intergas or ATAG — we have the experience to diagnose and repair it properly.

Modern condensing boilers from different manufacturers share common fault types — ignition failures, fan faults, sensor errors and pressure issues — but each brand has its own fault-code system, component layout and diagnostic process. Our engineers understand the differences, which means fewer wasted visits and first-time fixes.

If you are not sure whether your boiler is worth repairing, we will give you an honest assessment based on the boiler's age and the cost of the fault — no pressure to replace when a repair makes financial sense.