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Hi I have a potterton profile 50l boiler. When the boiler comes on for the hot water only - after 5 minutes the pipes start banging really loudly increasing in volume !!! (this only happens if we dont give the boiler at least a 4hr period of non-use). If i then turn on the central...

Can i bleed my C/H pump ? All rads no air in them... do i just undo the top screw ? Can anyone help... thanks

the banging comes from the pipes above the boiler (in the room above) that go away to the imersion tank 2 rooms away on the top floor.

I have a potterton profile 50 el wall mounted boiler. Installed about 6 months ago. 3 bed semi - pump in room above boiler - 9 radiators in house - conventional boiler. Set to number 3 1/2(6 is max). When the hot water comes on only (water timed/heating off) after about 5 -10 mins -...

I'm thinking of adjusting it because.... A plumbing engineer adjusted it to max recently (from min) ! He did this to try and get air out of the c/h system - i sometimes get loud banging pipes when having hot water on only (after boiler on for 5mins) - but if i turn on the c/h the noise in...

Hi On my c/h pump there is a large screw slot on top... Which way is max and which way is min ? (no markings). Thanks Carl.

Hi I have a potterton profile 50l boiler. When i turn on the hot water only - after 5 minutes the pipes start banging really loudly increasing in volume !!! I f i then turn on the central heating the noise stops straight way ! Can anyone explain 1. why it stops the noise ...