Vaillant boiler help

Sort your Vaillant boiler problem

Pick the guide that matches what your Vaillant boiler is doing. Each one explains what's going on, what's safe to check yourself, and when to book a Gas Safe registered engineer.

If you ever smell gas, stop and call the Gas Emergency Services line on 0800 111 999 — never attempt gas repairs yourself.

Vaillant help guides

• Vaillant fault codes
• Vaillant F22 fault code
• Vaillant F28 fault code
• Vaillant F62 fault code
• Vaillant F75 fault code
• Vaillant diverter valve problems
• Vaillant boiler pressure

More Vaillant and boiler help

• All Vaillant guides
• Vaillant fault codes explained (blog)
• Boiler & central heating cover
• Gas Safe Register