Buzzing box in airing cupboard

Eejay · 6 Feb 2016

Hi,

Don't know if anyone can advise, the small silver box in our airing cupboard attached to the cylinder (picture attached) has started buzzing consistently. Can anyone advise as to what the problem might be? Also, is it a big problem (besides the irritating buzzing) and do I need to get someone in to look at it?

Any help would be much appreciated.

muggles · 6 Feb 2016

It's the three-port valve that controls your heating and hot water. Buzzing could indicate that the motor is wearing out; a fairly simple job to do and something that could be considered as preventative maintenance

honda · 6 Feb 2016

May help,

mazperks · 6 Feb 2016

Make sure the 2screws holding the cover down are tight first, may be just vibration.

vulcancontinental · 6 Feb 2016

I can see no drips from above, make sure there's no leakage from beneath indicating a leak through the valve spindle, dampness can cause this shorting buzzing. Look, don't touch.

bexkeey · 25 Oct 2023

Eejay said:
Hi,

Don't know if anyone can advise, the small silver box in our airing cupboard attached to the cylinder (picture attached) has started buzzing consistently. Can anyone advise as to what the problem might be? Also, is it a big problem (besides the irritating buzzing) and do I need to get someone in to look at it?

Any help would be much appreciated.

Did you ever find out what was causing the issue/did you get it fixed? Ours does the same and I've just come across your post

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Buzzing box in airing cupboard

Eejay

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muggles

honda

mazperks

vulcancontinental

bexkeey

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