Boiler Error Codes

Find the fault code on your boiler display and look up what it means, what you can safely check yourself, and when to call a Gas Safe engineer.

If your boiler shows a fault and you smell gas, turn off the gas supply and call the National Gas Emergency line straight away.

No heating or hot water at all? Start with our no heating or hot water guide.

Thinking about a new gas boiler? Get a fixed, all-inclusive price online in under a minute. Supplied and fitted from £1,790.

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Boiler beyond repair? Replace it tomorrow

If your boiler is old, keeps breaking down or the repair quote is more than it is worth, a new boiler is often the cheaper fix. Answer a few questions online and see your fixed price in about a minute. No home visit needed.

New gas boilers from £1,790 supplied and fitted. Order by 3pm for next-day installation, with fitting 7 days a week and a guarantee of up to 14 years depending on model.

Spread the cost: 0% finance for up to 3 years, 10.9% APR representative for 4 to 10 years, or buy now and pay in 12 months.

Ready for a new boiler? Next-day installation if you order by 3pm, guarantees of up to 14 years depending on model and 0% finance available.

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