Vaillant Eco Tec Plus system boiler hot water priority diagrams

If your Vaillant boiler is showing error code F.28 in very cold weather it is most likely that your condensation pipe is frozen outside. Pour hot water over the pipe and reset the boiler (Or turn it off and on at the spur switch). If possible put some pipe insulation on condensate pipework. Condensate pipework […]

Worcester Bosch Greenstar Junior 28i repair. Boiler not working in both hot water and central heating modes. You can hear fan starting but boiler does not ignite. After short while boiler goes into lockout mode and has blue light flashing (mostly off and then on for a short while) – please see video below to […]