BoilerFaultCodes Pilot goes out Emergency
Your boiler is failing to stay lit, which means it cannot safely heat your home or provide hot water.
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: Pilot too small, injector blocked; Thermocouple/thermoelectric valve faulty, low MV output; Thermocouple loose; Terminal wrongly positioned causing re-circulation; Flue set wrongly fitted causing re-circulation; Fusible Link fused; Fusible link earthing out; Securing nuts loose; Insulation washers fitted incorrectly; Low meter pressure; Pilot flame too soft.
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
A boiler cover plan would cover faults like Pilot goes out — no call-out fees, no surprises.
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Chaffoteaux Corvec 28 OF BF is discontinued — time for a new one?
Parts for discontinued models can be hard to find and expensive. A new A-rated boiler could save you money on both repairs and energy bills.
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