When i have my Central Heating on every 30 seconds or so i get a knocking noise from the boiler.This only seems to have started since i had the water turned off the other day,to replace a ballvalve in the water tank in my loft.Could this be Air that has got in when i turned the mains water back on,it did make a clanking noise when i turned the tap open.Thank You for any help.Cumbrian
Boiler Noise
- Thread starter Cumbrian
- Start date
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