Medium
Noises in CH system on Chaffoteaux Calydra 23 Green

Your boiler is making unusual sounds because the water pressure is too low or there are air bubbles trapped inside the system.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

Book a service

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 presence in C.H. system or Insufficient pressure

DIY fix possible

Check the pressure gauge and use the filling loop to top it up to 1.5 barBleed your radiators using a radiator key to release any trapped airRestart the boiler to see if the noises persist

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