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pump noise from central heating


chirpy

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Hi,

My wife complains that she can hear a continuous buzzing noise from the oil central heating ,even when heating not on but the circulating pump is naturally still on in case she opens a radiater.(This is for  back up to a wood stove we use for living room)

My hearing now, is not as good a my wife and we have lived in same house for 9 years and nothing changed!

Central heating serviced last year.Any suggestions please....without asking wife to leave home[:D] Is the noise to be expected .

Pipework is about 14 mm. copper and she claims to hear the noise even in rooms 20 metres from ouside pump house/central heating boiler.

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THANKS ALREADY DID THAT...MAYBE THATS WHY SHE CAN HEAR EVERYTHING NOW!

well ye bu**er getting a reply from the lighthouse is amazing.....good old  days on the sands with a cup of tea and sand...could'nt afford suger after the war!!

Roll your trousers up and paddle in the sea [:)]  or freeze!![:'(]

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Pump bearing failing?    I'd assume you could hear something if you put your ear up to the actual machine.

One other thought (and I'm no expert).    Most pumps have a speed control;  if it was serviced last year could the speed have been reset to max?

On our system max gives a sound like a continuously filling cistern - not loud but a rushing sound all the time.    Turn the pump down to medium and it's not noticeable.

Maybe an expert will know more....

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Definately when pump only on...water sometimes surging in pipework snd I guess it is due to air or perhaps needs topping up with water.

Pump does not have a speed adjuster but you can remove a plug to drain some water or turn a screw if it becomes jammed..tried this and bled radiaters but still same .

Decided to call plumber today.

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