How to reset a Vaillant Boiler

Vaillant Boiler

A Vaillant boiler that’s not turning on is not ideal, but many modern appliances are designed to ‘lockout’ when there’s a fault or risk for your safety. There could be unsafe conditions to keep operating such as a bad supply of gas, or a fault in the system. Resetting the Vaillant Boiler To reset the … Read more