BoilerFaultCodes 6.4.5 Gas pressure switch LD - optional Emergency
Your boiler has identified an issue with the gas supply pressure and has safely shut itself down to prevent ignition problems.
Act immediately
Turn off your boiler and stop using gas appliances. Call a Gas Safe engineer now — this fault can be dangerous if ignored.
Technical description: Shut down
Typical repair cost £120-250 (including labour)
Engineer required
This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.
Find a Gas Safe engineer
Search the official register for a qualified engineer in your area.
Gas Safe Register →Protect yourself from future repair bills
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