I only have the one header tank and all the rads are bled fine but the noise sounds like the a boat prpeller noise but only when the boiler is firing - the pump works fine on its own and the noise only ocures when the pump is running AND the boiler is firing - I was thinking that the amount of...
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Moved into house 10 months ago - I have a Baxi wall boiler 10 years old and 10 rads all in 10 mm pipe- open system with header tank in attic, storage tank and pump in first floor airing cupboard - all normal all ok and system had record of fernox already added a year ago. I decided to...