BoilerFaultCodesYour heating system is struggling due to trapped air bubbles or low water pressure, which is causing tapping or gurgling sounds as the water moves through your radiators.
This fault should be looked at by a Gas Safe engineer within the next week or two. It may get worse if left.
Technical description: Air is present in the C.H. system or system pressure is insufficient.
DIY fix possible
Switch off the boiler and let the radiators cool down completelyUse a radiator key to bleed air from the valves on your radiators starting from the ground floor upCheck the pressure gauge on the front of the boiler and use the filling loop to top it up to the manufacturer's recommended level, usually between 1 and 1.5 bar
Find a Gas Safe engineer
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Gas Safe Register →Protect yourself from future repair bills
A boiler cover plan would cover faults like Noises in the C.H.system — no call-out fees, no surprises.
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