Search results

Apologies - got the model wrong. It was going to be the junior but then the vertical flue was 3.8 metres which is too long for the 28i junior so they had to install the 28Si which allows a flue of up to 4m. Someone suggested to me that it could be the flue pulsing given that it is so long (is...

My Worcester-Bosch 28i Junior combi gives a bang when switching off any hot water tap and also when the central heating goes off. It's done this since it was installed. Any ideas on what is causing it and whether it is likely to cause further problems in the future? Thanks.