BoilerFaultCodes.com
7.i Emergency

Your boiler has detected that the water pressure inside your heating system is too high, causing it to release water to prevent damage.

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: Safety valve discharges - System pressure too high
Typical repair cost £120-250 (including labour)

Engineer required

This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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