Boiler shows F.62, delayed shutdown of gas valve or valve sticking

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

Possible Causes

Sticking gas valve, Slow-closing valve mechanism, PCB not de-energising valve correctly, Contaminants in gas valve

Safety: This is a serious safety-related fault. Do not attempt to operate the boiler until inspected.

Turn off gas: Close the gas isolation valve to the boiler and switch off power.
Call a Gas Safe engineer: The gas valve and PCB must be tested and likely replaced. Do not attempt to free or lubricate the gas valve yourself.

Professional Required 5/5

Gas Valve Assembly

Check Price on Amazon

We may earn a commission from links on this page.